INSTALLATION MANUAL
Contents
1. Page 32 Slate on link channel Page 33 Cut tile to valley detail a a Page 33 Rake edge detail 1 Page 34 Rake edge detail 2 Page 35 Rake edge flashing detail Page 36 Rake edge flashing detail Page 37 Eave closing drip edge flashing detail Page 38 Eave closing drip edge flashing detail B Page 39 Eave closing drip edge flashing detail C Page 40 Eave closing drip edge flashing detail E Page 41 Eave closing drip edge flashing detail H Page 42 Closed mitred hip B Page 43 Wall detail with pan 0 2 Page 44 Rake flashing Page 45 Preferred pan flashing Page 46 Valley detail Vent flashing detail Page 47 Vent flashing detail Page 48 Chimney lashing een Page 49 INSTALLATION MANUAL Page 1 COMPONENTS Link Channel Page 77 Primary Batten Page 77 Fascia Batten Page 78 Wire Clip Page 78 Valley Clip Page 79 Ceramic Slate Page 79 nu lok uses and recommends natural2. THESE ANE ASERET TALLER VATH PLAS DIE PLEASE CHECK ALL HTE BEF oo INSTALLATION MANUAL Page 41 EAVE CLOSING DRIP EDGE FLASHING DETAIL E 12 6 ROOF PITCH INSTALLATION MANUAL Page 42 EAVE CLOSING DRIP EDGE FLASHING DETAIL H pP 12 28 ROOF PITCH gm j THESE ONAM AEE TOME ASST PRSTAIEER LASS DETARS PLAS CHEDw DTE ORS ETOR PAT INSTALLATION MANUAL CLOSED MITRE HIP A Soaker Flashing with Link Channel Below Soaker Flashing Clip from Link Channel Below CLOSED MITRE HIP B INSTALLATION MANUAL Page 44 JOOMA Id 8 E FUL NOI ONIHSV 14 NVd LNSWAYTHSONN 991372395 SMIHS DNIHSv HLIM TIVM wi 0 INSTALLATION MANUAL nu lok RAKE FLASHING DETAIL METAL PAN FLASHING WITH DRIP EDGE nu lok CERAMIC SLATE nu lok LINK CHANNEL 2 1 8 1 nu lok PRIMARY BATTEN PLYWOOD 0 SPECIFIED UNDERLAYMENT 3 8 RUBBER SPACER FASCIA Page 45 INSTALLATION MANUAL PREFERRED PAN FLASHING STYLE COUNTERFLASHING CONTINUOUS HEMMED FLASHING nu lok CERAMIC SLATE SPECIFIED UNDERLAYMENT PAN FLASHING PLYWOOD 3 8 RUBBER SHIM nu lok PRIMARY BA
3. nu lok Roofing Systems INSTALLATION MANUAL Nu lok USA LLC 711 South Carson Street Suite 4 Carson City Nevada 89701 Tel 1 800 94 68565 Fax 775 882 8926 Email info nu lokusa com www nu lokusa com INSTALLATION MANUAL INTRODUCTION NU LOK THE ROOF Nu lok is a patented revolutionary roofing system It breaks the mould on traditional roof installation methods by using a unique method of fastening slate and ceramic slate materials The purpose of this manual is to assist the already skilled operator by providing technical information necessary to install the nu lok roofing system The nu lok fastening system although unique in the USA requires only a few minutes of reading for an already qualified roofing contractor to learn The basic nu lok system does not vary in the method of installation however some regional adjustments may be necessary for local or regional authority approval If you have any questions on this or indeed on any part of the nu lok installation please call 800 565 9244 for help or email us with feedback on your personal suggestions to improve installation technicalsupport nu lokusa com INSTALLATION MANUAL Contents ee rez Page 1 BED ORE MEDIE I Page 2 Roof slope The deck weight Underlayment Site conditions Page 2 Storage Fasteriers or ERE EE
4. 1 4 om the end of the Link Channel can swung foward the meddle of fhe channel relegate the edge of he Slate allowing remcenad NOTE tha Tanga an the baller acts a location guide when placing the link cannes nu lok LINK CHANNEL Mowing 6 the cantar of the ink channel remove should rer disengage the bom fe link channel nu lok PRIMARY BATTEN INSTALLATION MANUAL Page 18 nu lok Fascia Batten nu lok STAINLESS STEEL WIRE CLIP NU LOK STAINLESS STEEL WIRE CLIP 4 h 4 INSTALLATION MANUAL B Page 19 nu lok VALLEY CLIP ET Am 1 Nu lok ROOFING SYSTEM CERAMIC SLATE 8 M 1 7 gt TE 5 0 eer n 4 ee INSTALLATION MANUAL SET OUT ROD CAN BE MADE TO SUIT ANY LENGTH DRILL HOLE SIZE TO BULLET HEAD MAIL PASSING THROUGH SUITABLE ALUMINUM FLAT BAR SINGLE LAYER UNDERLAYMENT SELF ADHERING ROOF DECK OVERLAP PER MANUFACURER S w INSTALLATION SPECIFICATION DRIP EDGE OPTIONAL INSTALLATION MANUAL Page 21 DOUBLE LAYER UNDERLAYMENT CLASS A ROOF DECK OPTIONAL ICE DAM PROTECTION WHERE NEEDED DRIP EDGE OPTIONAL 40 LB 04601 UNDERLAYMENT nu lok FASCIA BATTEN GUTTER DETAIL nu lak PRIMARY BAT
5. BLACK TD CREATE SHADOW LINE 96 RUBBER SHIM OR CEDAR LATH RUNNING Dei ENJE VERTICALLY OVER EACH RAFTER INSTALLATION MANUAL Under Flashing w Standard Fastening HIP RIDGE SUPPORT Block DETAILS VALLEY SOAKERE FLASHING DETAIL Eola iis Standard INSTALLATION MANUAL 7117139 ALVIS 14 WALLY AVM Hel HO 13 JL 401 1 Ay WAS 0 IIHS F 8 38 vn OL 13 3NOOFTIS i d 09 game 31815 TEAL 319715 nu INSTALLATION MANUAL Page 28 H3ovdS LJNSAAYTHSONN 0313129395 1 1 01 T3NNYH2 1 ONY 315715 1 THNNYHO HNIT xor mu 14 WL gt 0 a nu MORTAR OR SYNTHETIC MORTAR CONTINUOUS FELT CLAY RIDGE TILE BARRIER FIX BLOCK TO nu lok PRIMARY SUIT STYLE OF AS BATTEN RIDGE BEING USED lt lt 2 lt lt nu lok CLAY RIDGE DETAIL INSTALLATION MANUAL Page 30 SONY SIG N3LLIvE vI2SY3 LINS 934534
6. Cordless Screwdriver Nail Gun and Compressor Natural Slate Cutter FLASHINGS All metal flashings used must be of a non reactive type with nu lok galvanized metals If you are unsure consult the enclosed chart on Page 22 All flashings should be installed in accordance with NRCA WSRCA and the 1997 UBC Chapter 15 nu lok recommends a minimum 26 gauge G90 galvanized metal or factory pre painted 26 gauge galvanized metal color matched to the slate being used Optional 16 oz copper may also be used Virtually any industry metal flashing is ok to use with nu lok as long as the metal is compatible with galvanized steel See Chart Page 22 On 8 closed mitered hip or closed valley provide individual soaker flashings under each row attached to the primary batten below See Photos Page 25 amp 43 When using cut slate as hip ridge detail supply metal underflashing To secure cut pieces use a recommended metal to ceramic stone 50 year adhesive such as PL Landscaping Block Adhesive and appropriate nails or screws INSTALLATION MANUAL Page 5 PREPARING YOUR ROOF FOR INSTALLATION INSPECT THE SURFACE OF THE PLYWOOD Always check to ensure that no nails or other sharp objects protrude through the surface of your plywood before applying the waterproof underlayment Any damage found such as Rotting plywood lifting separating sheets warping or other form of unsatisfactory surface should be repaired at this time
7. ridge are simply cut to suit the required size Fasten nu lok primary batten to align with every chalk line at 12 centers ensuring the nails are driven through the packer batten and plywood and into the rafter below all the way to the ridge and out to the edge of the hip on each side See Pages 24 amp 25 Repeat this procedure all the way around the roof until all battens are complete Note The nu lok system works 12 centers batten to batten It is critical that care is taken to ensure battens are attached accordingly See Page 25 RIDGE BATTEN DETAILS Many different hip and ridge cap options are available The skill and experience of the installer are vital in pre empting what grounds might be required to hold these in place See the hip ridge drawing to understand requirements See Pages 27 28 amp 29 Run a standard batten each side of the ridge Batten will be placed 2 3 off centre of the plywood line each side Positioned to suit the type of ridge Ensure a counter batten is placed under this exactly the same as the other horizontal battens This batten should be positioned after the horizontal battens are set out to standard 12 centers This last batten may vary and not finish at 12 centres This is ok as the last row of slate and link channels can be cut to accommodate Before placing your last row ensure you have allowed for any required fastening grounds for your ridge finishes See Pages 26 a
8. short by 2 on hips and ridges to allow roof screws to be inserted through the metal ridge cap past the slates below and into the plywood Note When mortar bedded terracotta hip and ridge are used it is vital to check on the size of apex packer required See Page 29 nu lok recommends that a hip ridge template be constructed before finalizing hip ridge details Note Care needs to be taken to avoid staining of the slates with cement or mortar Remember that the use of harsh chemicals may void your warranty FLASHINGS FLASHINGS NEW CONSTRUCTION When working on a new construction raise the fascia board by approximately 12 16 1 to allow the finished slate to sit directly on top of the fascia This closes the gap caused by the use of a batten counter batten roof system See Page 35 RAKE EDGE Using nu lok on a re roof will require a special rake edge flashing This can be folded from 16 oz copper or any suitable approved flashing metal Fold the metal at a suitable height to close the gap created by the use of the nu lok batten and counter batten system See Pages 36 amp 37 INSTALLATION MANUAL Page 14 DRIP EDGE EAVE CLOSING FLASHING Fold a flashing to incorporate closing the eave and acting as a standard drip edge See Pages 38 42 The folding of eave closing drip edge flashings are site specific Check site dimensions before making the flashing The angle of the flashing is determined by the posi
9. the rafters below Place a fastener above every rafter we recommend a maximum 24 span between rafters Ensure the battens align with the set out chalk lines at all times Keeping the battens straight and at equal centers The last row of battens should be placed to accommodate the ridge type being used See Pages 24 27 28 amp 29 Note Avoid having all the batten joints in a straight row all the way up the roof Note Caution should be used over eaves and in exposed roof timber environments to avoid the batten nails protruding and being visible below Ensure each catches rafter below or is not too long as to protrude in exposed environments FASCIA BATTEN When all battening is finished fit the fascia batten See Page 78 To do this use the link channel as a spacer Lock the fascia batten into the link channel and place the link channel into the first row of battens This will determine the location of the fascia channel Then simply nail the fascia channel through into the roof using the same fasteners ensuring the counter batten shim is in place See Page 27 If no drip edge flashing is used you can paint the front edge of fascia batten facing the ground This will act as a shadow line when viewed from the ground Complete all remaining battens INSTALLATION MANUAL Page 10 LAYING SLATE LOADING THE ROOF Place an unopened pack of ceramic slate or 6 7 pieces of natural slate on every third batten at a
10. using natural slate use the largest of your slates in the valley for cuts as it avoids link channels clashing from being too close together CLOSED MITRED HIP When the installation calls for a closed mitered hip the procedure is pretty straight forward whether using natural slate or ceramic slate Individual under flashings are used on each row With natural slate again use the bigger slates on the closed hip which makes supporting the cut pieces simpler INSTALLATION MANUAL Page 13 Place a link channel as close to the hip as possible on both sides Using your desired flashing material bend the material to the roof hip angle and cut to the length of the slate Place the flashing on both link channels and support the flashing on the wire clips Each row of slate gets its own soaker under flashing hidden beneath the closed hip The slates can be glued to the under flashing with a 50 year silicone or adhesive The outside or non cut side of the slate is supported with another link channel in the normal way See Page 43 Again the closed hip can be worked all the way to the top of the roof without the need for the field slates being installed RIDGE TOP CUTS As mentioned the top row of slates may not be a full row Cut all slates to suit stopping the slate at the top of the metal batten Cut the link channels to suit the required length Note f a metal ridge cap is being used it may be necessary to leave every third or fourth slate
11. 47 amp 48 INSTALLATION MANUAL Page 15 If the penetration coincides with the middle of a slate a diamond blade grinder can be used to cut the penetration through the slate Then slide the flashing kit over the top of the pipe and lower it until it meets the roof Put a good quality roof grade silicone sealant around the penetration under the flashing Ensure the back of the flashing goes under the row of the slates above the penetrations See Page 48 If the penetration coincides with the front end of the slates it may only be necessary to cut the corners off the front slates using the standard hand tile cutter SKYLIGHTS AND CHIMNEY FLASHING When installing around skylights chimneys or other similar penetrations ensure the framework of the penetration is in place before roughing in For flashing details see Page 49 The top flashing can go in when the roof is being set out there are various types of flashing methods used and an experienced roofer should be knowledgeable in this area Detail page 49 is an example of top flashing that can be used in conjunction with nu lok Note Front apron flashing goes under the side apron flashings which in turn go under the top soaker flashing All joints are sealed with a quality roof silicone or similar sealant and riveted VENTS Roof vents made to suit nu lok system are available from O Hagins telephone 707 823 4762 www ohaginvent com SNOW GUARDS Snow guar
12. EErEE NEA Page 3 4 Page 4 PREPARING YOUR ROOF FOR Page 5 Inspect the surface of the plywood Apply the underlaymernt Page 5 INSTALLING NU LOKTM Page 6 Now you are ready for nu lok M Page 6 Setting out the primary batten Page 6 Ridge batten 7 Flip battemcetallS 01 HE Page 8 Valley batten details Open valley 8 Closed valley Page 8 Fastening metal battens Fascia batten Page 9 LAYING E Pr Page 10 Loading the roof Link channels Laying the roof Page 10 Cutting in hips and valleys Open Page 11 Cutting in hips and valleys Closed valley amp Closed mitred Page 12 Ridge top 6018 Page 3 JE Wl Vc m Page 13 Flashings new construction Rake Page 13 Drip edge eave closing flashing Flashing to vertical surfaces Page 14 Pan flashing Vents penetration flashing Page 14 Skylights and chimney flashing Vents Snow Gu
13. For practical reasons try and make all your cut slates as big as possible To achieve this cut in your hip valley slates first keeping the pieces large Then go back and fill in the gaps between the end of the standard row and the hip valley cut See Pages 25 33 43 amp 47 Note Always ensure a link channel is fitted below all slate joints even small pieces Try and not have any of you fill in pieces small then 4 as it makes them hard to bond and remember each slate joint gets a link channel so a less than 4 slate will have link channels too close together OPEN VALLEY To start a valley a valley slate template must be made To do this use a full slate and whatever side the valley is on measure down from the top 377 and scribe a mark Then take the slate over to the valley and line the top of the slate with the top of one of the metal roof battens so it overlaps the metal valley battens by 372 See Pages 30 amp 33 INSTALATION MANUAL Page 12 Once the slate is square with the metal roof batten then mark at the bottom of the slate where the valley batten protrudes This should give you the angle or rake of the valley Cut the slate at this angle and then check it at several places up the valley this is to make sure that the angle is correct all the way up the valley Adjust if necessary if it doesn t need any adjusting then this is now the template to use to cut a slate for every course up the valley A flat me
14. TEN LINK CHANNEL nu lok CERAMIG SLATE PLYWOOD RAFTER PAINT FRONT FAGE OF nu lok FASCIA BATTEN BLACK GUTTER SPECIFIED UNDERLAYMENT Metal Compatibility Chart ELECTROLYSIS Flashing Construction Materials pper l Galvanic action will occur iu Lead Steel lt lt lt 3 lt Galvanic action might occur Galvanic action is insignificant INSTALLATION MANUAL 36 SWEAT SHEET OF GRACE ICE 8 WATER SHIELD TM OR SIMILAR 4 ROOF DECK SINGLE LAYER FELT UNDERLAYMENT WOVEN S N G LE LAYER THROUGH VALLEY LINE A MINIMUM OF 12 36 SWEAT SHEET OF GRACE ICE amp WATER SHIELD TM OR SIMILAR ROOF DECK UNDERLAYMENT WOVEN BETWEEN COURSES DOUBLE LAYER INSTALLATION MANUAL Page 24 nu lok PRIMARY BATTEN PRIMARY BATTEN GPEGIFED RAFTER RUBBER SHIM OR CEDAR LATH RUNNING VERTICALLY OVER EACH RAFTER FASC SET OUT OF FIRST nu lok PRIMARY BATTEN nu lok STANDARD BATTEN LAYOUT DETAIL B CUT SLATE AND LINE CHANNEL IN LENGTH m AOW AT QUA 36 RUBBER SHIM OR CEDAR LATH RUNNING VERTICALLY OVER EACH RAFTER RAFTER UNDERLAYMENT Mikki PRIMARY INSTALLATION MANUAL CLOSED VALLEY nu lok STANDARD BATTEN LAYOUT DETAIL A niok FASCIA BATTEN PAINT EDGE
15. TTEN INSTALLATION MANUAL nu lak LINK CHANNEL nu lok CERAMIC SLATE VALLEY FLASHING nu ink FASCIA BATTEN nu lak PRIMARY BATTENS SPECIFIED UMDERLAYMENT VENT FLASHING DETAIL A SPECIFIED UNDERLAYMENT INSTALLATION MANUAL Page 48 VENT FLASHING DETAIL B CRIMP EDGES STANDARD 61 4 1 2222 FLASHING lt lt 2 lt lt CHASE COVER FLASHING INTO WALL SEAL CAREFULLY IN MORTAR JOINTS IN A SLOPING CUT ACROSS WALL HEIGHT DIFFERENCE 1 5 MINIMUM 1 5 RETURN FOLD nu lok EX SILICONE ROOF amp GUTTER GRADE NYLON MASONARY ANCHOR 38 WEATHER RESISTANT GRADE TRIMM ER PLYWOOD RAFTER INSTALLATION MANUAL
16. Vermont slate for its quality and strength Contact Greenstone Slate on Tel 1 800 619 4333 www greenstoneslate com INSTALLATION MANUAL Page 2 THE BASICS ROOF SLOPE nu lok recommends a minimum roof slope of 4 12 It is possible to go lower however please contact nu lok technical support on 800 565 9244 to discuss prior to installation THE DECK WEIGHT Nu lok weights 5 6 106 per sq ft with ceramic slate and between 5 6 155 with natural Vermont slate depending on the style selected Other natural slates may weigh more This may vary slightly if a heavy underlayment is called for by local authorities The roof deck must be constructed to accept this kind of dead load If in doubt consult an engineer before commencing nu lok UNDERLAYMENT Ensure the underlayment is a complete waterproof membrane capable of dispersing any moisture at the eaves Wind driven rain capillary and ice damming can cause water migration through the joints in the slate so the integrity of the underlayment is essential and must be carefully protected throughout the installation process Nu lok does not specify a particular underlayment for use with the system however some options are Grace Ice and Water Shield Tri Flex 30 by FlexiaCorp or Titanium UDL by InterWrap Inc for all standard installations laid per manufacturer s instructions Nu lok recommends 2 layers of mineral cap sheet 40 D4601 laid with a minimu
17. ards Page 15 ILE Page 15 NOTE TO THE 5 Page 16 DETAILED DIAGRAMS amp Page 17 Link channel Primary Page 17 Fascia batten 8 Wire Page 18 Valley clip Ceramic slate Page 19 Set out rod amp Single layer underlayment Page 20 INSTALLATION MANUAL Double layer underlayment class Page 21 Fascia batten gutter Page 21 Metal compatibility Page 22 Single amp double layer valley Page 23 Primary batten 24 Standard batten layout detail Page 24 Glosed Valley 2 p te LE Page 25 Standard batten layout detail Page 25 Hip ridge support Valley soaker flashing detail Page 26 Slate ridge detail uu luu 3233 Page 27 Metal ridge detail Page 28 Clay ridge detall err Page 29 Page 30 Closed valley detail a Page 31 Metal shears amp roof loading photos
18. as it could lead to an unsatisfactory final product Plywood is not a necessary base for nu lok Primary battens may be applied directly onto rafters at up to 3 centers for details contact a nu lok representative APPLY THE UNDERLAYMENT Apply one layer of approved high quality underlayment to the complete deck surface ensuring a minimum 2 lap at all flat surface joints and 12 over hips and ridges at the shortest point if sheets are cut off square Ensure at least 12 of underlayment folds back under the horizontal surfaces from the valleys This should go on prior to the laying of the horizontal surfaces It is recommended that a layer of Grace Ice and Water Shield is applied to all penetrations and valleys before any underlayment is installed Grace Ice amp Water Shield Tri Flex 30 by FlexiaCorp or Titanium UDL by InterWrap Inc can be used for all standard installations and for Class A fire rating apply two plies of 40 15 D4601 mineral cap sheet per manufacturer s specifications See Pages 20 amp 21 If local codes demand install standard drip edge at eaves Drip edge details can incorporate eave closing flashings See Pages 38 42 inclusive Commence underlayment at eaves laying parallel to eaves working towards the ridge All underlayment should be installed per manufacturers requirements and relevant codes Interlace felt at valley sections crossing over for full coverage See Page 23 Und
19. d through its flange Run a fascia batten up each side of the valley open valley detail only parallel to the centre line and set far enough back off centre to accommodate the size of flashing being used See Page 30 The valley flashing should fit snugly between the two parallel fascia battens It is recommended that all valley battens and valley flashings be installed prior to the primary battens CLOSED VALLEY The closed valley is a simpler and more attractive method of installing a valley Place a valley flashing under the underlayment before cutting in the battens Run the battens all the way into the valley leaving a small gap between the ends Ensure the battens are supported fully near the end closest to the valley centre INSTALLATION MANUAL Page 9 FASTENING METAL BATTENS Battens are laid out against the set out lines and fastened with a nail gun using an appropriate length nail for the conditions we recommend a minimum 2 galvanized ring shank nail gun nail see earlier detail driven through the battens and into the rafters below Battens can be cut with a hand held metal shears See 32 nu lok recommends not using an electric disc to cut the battens as this may cause small pieces of metal to be deposited on the roof surface and on metal components causing them to deteriorate over time and cutting through the underlayment Fasten the battens through the flange and through the counter batten or shim into
20. dl Ol 330v Nally 92593 01 9341432 WIHS ONISN NSHM H3X2 vd 8 5 ENIHSY 15 151301 96 19 9 _ ka F TANNFHO eer 4 INIHS 388 14 v4 A3 TTA Yanu 3115 21AN vH32 Xornu A3TIVA N3dO lt 2 lt 2 lt lt b nu lok CLOSED VALLEY DETAIL CERAMIC SLATE nu Iak VALLEY CLIP nu lak FASCIA SPECIFIED nu lok PRIMARY BATTEN 3 8 RUBBER SHIM nu lok LINK CHANNEL MINIMUN 36 SWEAT SHEET MINIMUM 26 GUAGE 5VEE METAL VALLEY FLASHING INSTALLATION DOCUMENT Cut battens with metal shears for best results Stack boxes every third row INSTALLATION MANUAL Ceramic slate located on nu lok link channel Detail showing cut tile between valley cut and first full tile Detail showing valley clip ends on valley flashing see also Pages 30 amp 31 INSTALLATION MANUAL Page 34 H314vH LN3INAY TH3OND TOOMATA ONIHS 14 T3NNVH2 317 15 OIA eS Yonu 4904 wAO INSTALLATION MANUAL Page 35 nu lok RAKE EDGE DETAIL 2
21. ds designed especially to attach to the nu lok system are available from Gough SnoGuard Products amp Accessories telephone 708 485 6272 www SnoGuard com GENERAL NOTE Virtually any standard flashing detail used on slate installation can also be used with nu lok ceramic slates The principles are the same Make allowances for the fact that battens and shims raise the height of the finished slate from the deck below Note When doing a re roof and reusing old flashings ensure the metals are compatible INSTALLATION MANUAL NOTE TO THE INSTALLER This installation manual is meant as a guide to the skilled operator nu lok understands that the installer has a good grounding in the installation of slate and batten type tile installations The drawings in this manual are to act as a guide only The relevant local authority and National Roofing Guidelines take precedence at all times The nu lok Roofing System is guaranteed for 50 years against deterioration of the system The general installation is not guaranteed by nu lok The installation warranty must be supplied by the licensed installer to the end user in compliance with local authority requirements Flashings and other components are not covered by the nu lok warranty For technical assistance please contact nu lok on 1 800 565 9244 or email us at technicalsupport nu lokusa com INSTALLATION MANUAL The extends
22. ed to make adjustments to the line or the entire roof may be out of square If this is the case the fascia may need to be packed out or cut back It is important this front line is straight and square the whole roof face is set out from this line Note The first batten measurement may vary depending on the desired overhang check overhang required and adjust 12 measurement accordingly Do not leave the nails too far out as they will sit above the battens and clash with the Slates You will only have to bang them in later If they go unnoticed and you walk on a slate with a too high below it can cause slate breakages INSTALLATION MANUAL Page 7 Now that the fascia line is straight place the Setout Rod See Page 20 over the first nail Put the nail through the first hole in the rod with the rod lying vertically up the roof and put a nail in every hole in the rod Do this all the way to the ridge line Then repeat this process at the other end of the roof Now use these nails to ping parallel horizontal lines all the way to the ridge The last row of battens may may not be a standard 12 centre It s ok the last batten should be positioned to suit the type of ridge cap being applied See Page 24 3 is good for metal ridge cap and cut slate however 2 is better suited for clay nu lok recommends a hip ridge mockup is done to ensure alterations are not required later The last row of link channels to the
23. erlayment must extend a minimum 4 up all vertical wall surfaces It is understood the underlayment membrane shall fully waterproof the roof deck It shall be a weatherproof barrier capable of shedding any moisture to which it may be exposed allowing it to escape at the eaves Care must be taken at all times to protect the integrity of the waterproof membrane INSTALLATION MANUAL Page 6 INSTALLING NU LOK START WITH COUNTER BATTENS Nu lok uses horizontal steel battens On a plywood application there is the danger that any penetrating moisture could be trapped behind the horizontal battens Therefore to avoid trapped moisture on a plywood deck always use a counter batten running vertically up the roof We recommend a cedar lath or a rubber shim Always ensure the lath or shim is placed above a rafter with the fasteners driven through he lath through the plywood and into the rafter below We recommend a min 2 galvanized ring shank nail for best results SETTING OUT THE PRIMARY BATTEN Measure 12 up from the back of the fascia at one end and drive 8 1 nail into the roof leaving 38 of an inch protruding Then go to the other end and to the same thing See Page 24 Now string a chalk line between the two nails Check the measurements are similar in several places along the line between the line and back of the fascia If the measurements are fairly consistent ping the chalk line If there is a large difference you may ne
24. k channel in the centre of each slate the first 3 rows and the first 3 rows on the rake edge The first row is the slowest as each link channel has to be spaced using a slate or tape for a gauge INSTALLATION MANUAL Page 11 Ceramic Slates are laid with the long center indent at the top You will notice a small notch at the bottom The bottom notch is used to determine that rows are running central and square and should align with the slate joint of the row below The top indent of the slate is now used to locate the next row of link channels The center of the link channel aligns with the top indent of the slate This indicates that your link channel is properly positioned for the next row of slates and minor adjustments to the link channel should be all that is required while laying the slates from here on Note Different installers prefer different methods At this stage one needs to decide whether to install a whole row of link channels or a slate and then a link channel Proceed all the way up the roof in this manner until the whole roof is roughed Slates laid but cuts not done CUTTING IN HIPS AND VALLEYS Note Cutting is done using a standard score and snap type of floor tile cutter available at any hardware or tile store Cutting natural slate is done using traditional methods It is safe to walk on the roof while cutting in and laying slates This applies to ceramic or natural Vermont slate
25. m 6 vertical lap and woven in valleys with a minimum 4 turn up at all vertical wall surfaces for all Class A Fire Rated installations using ceramic slates Ensure all decks are in good condition and all damage rot loose or otherwise imperfect sheets are repaired prior to commencement of nu lok SITE CONDITIONS Do not start any work on the deck if wet of frozen conditions exist Ensure the deck is fully repaired and ready to accept a new roof covering INSTALLATION MANUAL Page 3 STORAGE Always store nu lok slates and components in a dry clean environment Ensure they are not left exposed to the elements for long periods prior to their use Residual water trapped between the ceramic slates and left over a long period can cause a whitening effect and is not readily removed The primary and fascia battens are delivered to site in bundles of 10 for ease of handling and should be stored on an elevated surface preferably out of the weather The link channels and wire clips come in boxes and should be kept dry until ready for use FASTENERS Battens are best attached with a pneumatic nail gun The length of the fastener may vary depending on the thickness of the counter batten or shim used to elevate the nu lok batten off the ply deck A minimum 272 length 9 gauge double dipped galvanized ring shank nail driven through the batten shim and plywood and into the rafter below meeting ASTM A 153 Standard is
26. mp 27 INSTALLATION MANUAL Page 8 BATTEN DETAILS Different finishes are available on hips Again care should be taken to place any required fastening blocks the grounds to fasten hip finishes to at a later stage before cutting up to the hip Place a strip of wood thick enough to finish flush or higher with the top of the laid slate See Page 26 Only then lay the standard battens up to the timber running on the hip No particular care need be taken to make the ends a neat cut provided the end of each batten is supported near the hip Note A variety of hip ridge caps can be used from slate nu lok slate metal clay etc The installer should create a template to ensure and required grounds are fitted to the hip before commencing the slate installation See Pages 26 27 28 amp 29 for some options For further assistance contact nu lok Rooting Systems on 800 565 9244 VALLEY BATTEN DETAILS OPEN VALLEY Before placing battens for an open valley detail a counter batten should be laid up the valley to raise the valley flashing to the required height See Page 30 nu lok recommends the counter batten under the valley flashing be 74 thicker than the rubber shim or counter batten used This closes the gap under the slate and helps prevent blow back see detail Ensure also that the counter batten under the valley flashing is wider than the valley flashing by 1 allowing the fascia batten to be fastene
27. nu lok CERAMIC TILE RAKE FILLET YA FASCIA LINK CHANNEL nu lok CERAMIC TILE 1 3 16 i RAKE FILLET UNDERLAYMENT FASCIA 3 8 RUBBER SPACER RAFTER INSTALLATION MANUAL Page 36 4 vIOSV4 3 ONIHSV1S 4 31916 v 9NIHSV 14 3903 JAVY INSTALLATION MANUAL Page 37 RAKE EDGE FLASHING DETAIL 3 B THESE DRAWINGS INTENDED ASSIST THE INSTALLER WITH FLASHING DETAILS PLEASE CHECK ALL SITE DIMENSIONS BEFORE FABRICATION INSTALLATION MANUAL Page 38 NMOHS 4008 HE 4 2 JAWS JHL 35012 01 ph 3903 4 HOLld 3005 SSIMWA STONY H HLIM 1 3004 v ONIHSV14 3903 dIlHQ ONISO 19 lt lt 2 lt lt b UNDERLAYMENT RUNS DOWN OVER THE TOP EDGE OF THE FLASHING LINK CHANNEL SLATE PLYWOOD 1 2 SPACER FASCIA BATTEN 12 ROOF 2 gt FLASHING DETAIL EAVE CLOSING DRIP EDGE FLASHING DETAIL B INSTALLATION MANUAL Page 40 EAVE CLOSING DRIP EDGE FLASHING DETAIL C 12 12 ROOF PITCH
28. recommended Ensure any fastener used is a non reactive metal with the nu lok galvanized steel batten If you have any doubt consult the chart in this document See Page 22 All underlayments must be attached per manufacturer s requirements Mineral cap 34 corrosive resistant 12 gauge with 7 16 head roofing felt nails The link channels are attached by locking them into the lip of the standard fascia batten and as in standard application require no further fasteners The link channel locks under the primary batten and over the slate below holding the slate in place When using cedar lath as a counter batten ensure the laths are fastened above each rafter fastening through the lath and plywood into the rafter below using a minimum 2 galvanized nail Ceramic and natural slate no nails required stainless steel wire clips secure the nose end of the slate Valley clips galvanized pop rivet or similar non corrosive compatible metal y INSTALLATION MANUAL Page 4 TOOLS The following tools are required for a nu lok ceramic or natural slate installation All safety equipment required by OSHA and any other regulatory safety body Claw hammer Tape Pencil Metal Shears Caulking gun Good quality floor tile cutter score and snap style sigma or similar quality capable of accepting a tile up to 2 square Set out tool Page 20 Chalk Line Felt Knife Small Electric grinder Extension Leads Bevel Screw Gun or
29. round 16 apart all over the roof See Page 32 Note rain is forecast do not overload more than can be laid one day Excessive rain can wet the ceramic slate packaging causing them to break allowing Slates to slide down the roof LINK CHANNELS Place small boxes of assembled link channels wire clip installed at random locations on the roof This allows the installer to move the clips as necessary LAYING THE ROOF SLATES Laying the roof slates typically starts left or right at the eave line working up the roof Laying can start at any point on the roof However if conditions permit it is usually best to start laying around 33 in from the hip or rake on the first row at the fascia Start by locking in 2 link channels into the fascia batten and spacing them at 11 centre to centre Now place slate centered on the two link channels See Page 33 Do this all the way across to the other side until one row of full slates is laid Align each slate so as to allow at least 16 between slates while ensuring slates align across the roof forming a straight line do not abut slates tightly Note The above describes nu lok ceramic 16 16 slate installation If you are using variable width natural slates adjust your layouts accordingly Note Don t worry about cutting slates at this stage as it works best to have one person to take care of all cuts later Note Itis recommended to install one extra lin
30. tal template may also be used Set the bench on your slate tile cutter for all the valley cuts You will only use a link channel on the side of the slate furthest from the valley and on the valley side of the slate you will use the 3 valley clips See Pages 30 amp 33 these get placed about 34 of the way up the valley cut Hook the small flap on the end of the valley clip over the fascia batten running up the valley The other end of the valley clip supports the cut edge of the slate in the valley and enables the slate to sit flat Once all the valley slates are laid then you can go back and install all the fill in slates between the valley slates and the full roof slates CLOSED VALLEYS Make a template of the valley and cut a slate to suit Place a link channel as far into the valley as possible from both sides The valley soaker flashing will need to be placed with each row before the next row is placed See Page 25 Place the pre folded valley soaker into the valley on top of the battens and support it by seating it against the clips on the link channel Then place the valley slate on top of the soaker and tightly in line with the centre of the valley Support the outside edge of the slate with another link channel Note Fold the top edge of soaker flashing so it supports the valley side of the slate at the same height as the field slates See Page 26 Note It is best to run in all the valley ahead of the field slates When
31. tion of the fascia the pitch of the roof and the desired overhang of the slate The drawings on pages 38 42 are for guide purposes only and should only be used as such Check all site dimensions before fabrication FLASHINGS TO VERTICAL SURFACES Always ensure you turn all underlayment unbroken up 4 min on vertical surfaces A pan flashing is the preferred general method used against vertical surfaces See Pages 44 46 PAN FLASHING Again waterproof membrane should extend 4 unbroken up all vertical surfaces The vertical side of the pan flashing should also extend 4 up the wall of vertical surface Be sure to overlap each individual piece by an amount to conform with regulations The vertical flashing is covered with an over flashing or by the vertical wall cladding or sheeting Where a pan flashing is used nu lok recommends a raised V type flashing See Pages 44 amp 46 The V should be of similar height to the shim or counter batten used This allows the primary batten to be supported on the ends by the pan flashing This same system of support can be used at all vertical surfaces or fascia ends or on raked surfaces Where a pan flashing is used VENTS PENETRATION FLASHING Use standard pipe and vent flashing kits from your local roofing supplier for all pipe and vent penetrations through the roof Place a standard base flashing with one layer of ice and water shield prior to the main underlayment See Pages
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