Installer and User Manual
Contents
1. 12 EXTERNAL doors External doors can open outwards or inwards inwards generally being the most common PATIO door Patio doors can open outwards or inwards and be designed as glazed doors with the possible addition of panels Patio doors usually have three fastening points at the handle side all of which are engaged by turning the internal handle 90 Once opened the door can be controlled by a friction brake However please note that this brake will not retain the casement in position under higher wind load Normally an external door will have three fastening points at the handle side where the middle fastening point engages when the handle is operated normally The lower and upper fastening points are engaged by lifting the handle upwards whereupon the door can be locked External doors come in a variety of types and designs the details of which must be discussed at the time of purchase TILT TURN door In principle the function and operation of a tilt turn door patio or balcony door corresponds to that of a tilt turn casement see above LIFT SLIDE doors TILT SLIDE doors Overall this type of door functions like a lift and slide door However opening the slide tilt door starts by disengaging the door leaf and tilting it in relation to the frame Then the lower end of the door leaf is projected outwards allowing the disengaged leaf to slide alongside th2. lays down the following requirements for habitable rooms Each habitable room as well as the dwelling overall must have a minimum external air supply of 0 3 l s per m heated floor area Internal air must be removed through extraction in kitchens bathrooms toilets utilities and similar rooms in detached houses possibly through natural ventilation To help meet these requirements BR10 contains the following guidance for habitable rooms Supply of external air Opening window hatch or external door and by natural ventilation One or more vents to the external air with a total unobstructed opening of at least 60 cm 25 m floor area Mechanical extraction The area of the opening to the external air may be calculated on the basis of ventilation techniques For other rooms kitchens bathrooms and toilets etc please consult specific guidance under BR10 External air vents For many years it has been common practice to incorporate external air vents into the casement or frame head a solution generally considered the easiest option On the website of the Danish Enterprise and Construction Authority Erhvervs og Byggestyrelsen under BR10 you ll find a description of the various types of external air vents and an evaluation of their performance Based on the Authority s evaluation the types of vents used for incorporation into windows do not perform optimally In its opinion circular adjustable ve
3. Consumer has not made use of it the undertaking shall have irrevocably lapsed and ceased to have effect 7 2 Payment under the DVV Warranty Scheme shall be direct to the manufacturer who has rectified the defects shortcomings If the Consumer has already paid for the rectification he shall be reimbursed in accordance with the terms and conditions in Article 6 Processing the claim will not be charged to the Consumer 73 Coverage is conditional on rectification new delivery being undertaken by a manufacturer approved by DVV payment being effected only when an invoice for rectification new delivery has been submitted The above Warranty Declaration which has been filed with the Danish Competition Authority was last revised on 1st July 2012 asasnrred WwW DANSK VINDUES VERIFIKATION For windows and external doors to receive the DVV label the window manufacturer must be subject to an impartial inspection of his factory once or twice a year The inspection comprises checking whether the company s quality control and finished units meet the requirements regarding e g design performance materials and surfaces as specified in the Technical Requirements for DVV The impartial body carrying out these inspections in the factories is DVC Produktcertificering To see which companies are certified please visit www dvv dk This edition was revised on 15 November 2012 19 MW VINDUES INDUSTRIEN
4. any one calendar year including those claims which could have been made in that calendar year but were not because the time limit set out in the Appeals Board s decision had expired cf Article 5 1 6 4 No coverage shall apply to losses that can be ascribed solely to specially binding warranty commitments made by the Warrantor There is no coverage for losses as a result of the primary defect and thus damage to home contents moveable property and personal effects etc shall not be covered Furthermore there shall be no coverage for indirect losses suffered by the Consumer e g costs of removal putting furniture into storage legal costs etc Article 7 Procedure for handling cases and terms of payment under the Warranty Scheme 7 1 If the Warrantor does not meet his obligation to rectify defects shortcomings cf Articles 5 1 and 2 4 the Consumer may submit the case to DVV which will inform the Consumer whether the sche me will provide cover If it will the Consumer may thereafter enter into an agreement with another DVV manufacturer with a view to having the defe cts shortcomings rectified The undertaking to cover made by DVV shall remain valid for 6 months from the date it was made If requested to do so in writing by the Consumer DVV may in special circumstances inform the Consumer on an individual basis that the time THE DVV LABEL limit has been extended If within 3 years of the undertaking being made the
5. have arisen after the unit was supplied by the Warrantor including defects that may e g be attributed to incorrect storage transport or fitting by a middleman contractor e that the unit has not been damaged by external influences e g knocks blows movements in adjoining constructions or similar e that the unit has not been exposed to processing after delivery e g sanding sand blasting etching painting pasting or other surface treatment e that the pane of the unit does not have affixed and or built in elements such as leaded panes alarm system Venetian blinds etc which have caused misting inside the glazing unit 17 18 e affixed energy glazing bars on panes do not alter the warranty Article 4 Scope of coverage for the Warranty Declaration 4 1 In the case of a justified complaint for defects in workmanship and or materials in the unit within the time limit mentioned in Article 2 1 the Warrantor is obliged to rectify defects shortcomings alternatively to supply a new product free of charge 4 2 Under this warranty the Warrantor is not however liable for the cost of dismantling the old unit nor for installing the new unit nor for any additional work in relation to replacing the product If the product is no longer in production at the time a claim is made the Warrantor shall be entitled to supply a similar product instead If the defect in workmanship and or materials can b
6. living in a new flat Replacing the windows or fitting draught excluders to doors or windows can make a flat so draught proof that it requires more frequent ventilation than before Where people smoke it s a good idea always to keep vents to the external air open or leave small opening ventilation lights ajar Bl in general you should contact the caretaker or other relevant person if damp problems arise Faults are most easily corrected if you intervene straight away REMEMBER GOOD VENTILATION IS A MUST FOR A GOOD INDOOR CLIMATE in bedrooms Air the room and make sure the bedding is aired every morning Turn the mattresses occasionally Don t leave bedrooms completely unheated if the windows steam up ensure better ventilation to the external air or to the other rooms in the house or flat in bathrooms EE IDEM we Bl Never block or close vents or extractor fans Avoid in so far as possible to wash and particularly to dry washing in the flat However if you can t then do it in the bathroom and ensure ample ventilation Air well after having a bath or shower ll Warm and humid air from tumble dryers should be vented direct to the external air Source SBI ANVISNING 76 5th EDITION ISBN 87 563 0962 7 COPYRIGHT STATENS BYGGEFORSKNINGSINSTITUT 1997 THE DVV W Article 1 Objective 1 1 The warranty includes a warranty declaration hereafter referred to as the Warra
7. windows and external doors takes high priority Another important task for VinduesIndustrien is to draw up and maintain the Technical Requirements for DVV DELIVERY labelled units which form the basis for the quality control conducted once or twice annually in the companies by an impartial body Regularly updated the Technical Requirements provide the optimum basis for the manufacture of windows and external doors This applies in particular to their function and life with ever increasing attention to energy and environmental aspects For more information please go to www vinduesindustrien dk and storage During unloading and subseguent handling of the units you must employ lifting gear and methods which do not cause damage to the units The buyer must check incoming goods on arrival to ensure that the delivery meets the contract and that there are no obvious defects or damage to the units e g caused in transport If there are grounds for complaints or gueries the supplier must be notified without delay Labels and cork pads on glazing units must be removed no later than two weeks after receipt of the goods All corner protectors protective foil or other protective packaging must remain in place and only be removed when the units are fitted If stored outdoors the units must be placed on bearers or pallets to provide sufficient clearance from the ground The units must be securely cover
8. www vinduesindustrien dk NOVEMBER 2012 SIGNAL 8682 5500
9. VINDUES INDUSTRIEN Installer and User Manual FOR DVV LABELLED WINDOWS AND EXTERNAL DOORS IN PVCu CONTENTS The safe choice nnnnnnnnennenenennennnnnannna Vindueslndu ustrler Delivery and Installation fixing and sealing Performance and operation hung casemelfit sea naaritsat a ud pens Top guided Top reversible casement Side hung Tilt turn casement uuo eei iii rana quar duas ens Side swing and side guided casements External GOOFS TTE Patio SAO OIG aim TIUN GOOFS ERR E Lift slide doors uei reto Eros e tdeo Tilt slide doors ena kaameks Maintenance cleaning and lubrication Ventilation of the dwelling DYM WE FAY PER o DVV labelled mm S S QU Ac UW 2 2 5 5 5 4 5 6 V THE SAF Congratulations on choosing DVV labelled windows and external doors from a member of Vindueslndustrien the Association of Danish Window Manufacturers Buying these DVV labelled units from one of our m
10. alant application and manufacturing industry www fugebranchen dk When caulking care must be taken not to compress the material so hard that it causes ill 3 located close to the respective hinges Permanent blocks must be inserted under the extremes of sills at both ends wide doors must be permanently blocked below the centre of the sill cf ill 4 Double leaf doors with or without a centre post must be permanently blocked under the post where the leaves abut The blocking material must meet the reguirements stated for permanent blocks damp proof courses The frame must be 7 permanently blocked behind the strike plate at the closing side cf ill 4 This block serves primarily to make the door intrusion resistant distortion of the frame section If using expanding foam to fill the gap between frame and wall structure the frame must be stiffened until the foam has expanded fully or the frame sections kept straight in some other way Externally there must always be a protective finishing coat in the form of a mastic sealant tape or a similarly effective measure PERFORMANCE Friction brake Frame Espagnolette bolt sasemeni Strike plate Glazing bead Sealant tape Handle 8 Glazing unit Casement weather seal Hinge side Hinge Closing side TOP HUNG Various types of hinges are used for top hung casements all of them providing a fixed p
11. cated with a neutral oil applied using an oil can syringe or a spray can with a thin tube Moving connections consisting of metal and synthetic materials should be lubricated with candle wax or a special lubricant in accordance with the supplier s instructions Such connections are found in various types of hinge tracks for them to function properly it is important that the hinge tracks etc are also kept clean Weather seals and sealant tape At the same time as the annual lubrication weather seals and glazing tape should be checked Weather seals should be checked for proper location and fixing and to ensure that the seals are still sealing properly Most types of elements allow simple removal and refitting of weather seals this should preferably be carried out in connection with the application of a new coat of surface treatment Never overpaint weather seals Glazing tape should be checked for proper location and compression to ensure their continued weathertightness also in corner joints The compression of the glazing tapes is most easily checked using a thin feeler gauge which should encounter resistance when inserted between the glass and the glazing tape of the dw New windows will usually be very airtight and there will therefore be a need for more systematic ventilation of the dwelling than in the case of older draughty windows Regulatory reguirements The 2010 Danish Building Code BR10
12. e fixed section Once closed the door is locked by turning the door handle fully back to the vertical locking position A lift and slide door set consists of a fixed and a sliding half Turning the door handle lifts the sliding door leaf up disengaging it from the frame and allowing it to slide alongside the fixed section Once closed the door is locked by turning the door handle fully back to the vertical locking position 13 14 MA NTENANCE and lanl rical or General maintenance information Windows and external doors of all materials require general maintenance comprising cleaning and lubrication and a check of weather seals and sealant tape This maintenance should be carried out in accordance with the following guidelines Cleaning Depending on the direction they face and their location external casement and frame surfaces will become dirty They should therefore be cleaned at suitable intervals normally in connection with cleaning the glazing units Using water with a sulphur free cleaning agent added clean casement and frame surfaces car shampoo is well suited Finish by wiping surfaces and edges dry Lubrication Once a year all moving parts in hinges handles and locks should be lubricated It is particularly important that moving parts held together by rivets e g turn hardware are cleaned and lubricated at least once a year Metal only connections are lubri
13. e opened out and reversed completely outside the frame This allows the external face of the glazing unit to be cleaned from the inside of the room The casement is operated by a handle located in the middle of the bottom rail the casement can be retained in a ventilation position with a 1 2 cm gap Top reversible hinges often feature a child proof mecha nism to prevent the casement being opened more than SIDE HUNG The type of hinge may vary but ordinary side hung casements function the same way about 10 cm Fully reversed the casement will be retained in the cleaning position The casement can be opened to a random angle However please note that the casement will then not be retained in position if exposed to higher wind loads or other forces Older mullion transom window designs normally use short casement fasteners with a longer sturdier type of fastener for 90 opening angles More recent designs are operated by means of a single handle at the closing side of the casement while in the open position the casement may be guided by a friction brake Please note that the friction brake will not retain the casement in position under higher wind loads TILT TURN A tilt turn casement is an inward opening window which as the name implies will turn perpendicularly on hinges in the casement jamb and tilt horizontally from hinges in the bottom rail sill The side hung function is
14. e remedied properly by repair partial replacement the Warrantor may choose this option instead Article 5 Terms conditions for coverage under the Warranty Scheme 5 1 In addition to the conditions of coverage mentioned in Article 3 of the Warranty Declaration the following conditions shall apply to be entitled to coverage under the Warranty Scheme cf Article 6 e that the Warrantor does not comply with the Appeals Board s decision within the time limit set by the Appeals Board cf Article 2 4 e that the Consumer submits his case to DVV within 6 months of expiry of the date set for rectification in the Appeals Board decision e that the Consumer co operates in a sufficient disclosure of the facts of the case and details his financial claim against the Warrantor who originally supplied the window and or the external door e that the Consumer accepts that DVV requisitions a copy of the papers in the case from the Appeals Board or if an order or award has been made by a court of justice or arbitration have the papers forwarded e that DVV may deduct from the payment to the Consumer any sum which the Warrantor is owed by the consumer notwithstanding that the amount owed may derive from a subseguent building project dispute or another contractual relationship between the parties In case of disagreement about the calculation and legal basis of the amount DVV shall be entitled to withhold any payment pending a court decis
15. ed to protect them from precipitation and dirt At the same time proper ventilation around the units must be ensured to limit the risk of condensation under the cover Separate glazing units should be stored under a roof INSTALLATION Correct installation is crucial for the functioning and life of the units Therefore the work should be performed by workmen skilled in the installation of windows and external doors The following instructions cover some of the main aspects of the installation work but not all the details which may play a role in the installation Normally windows and doors are supplied with the glazing units fitted but in the case of fixed lights glazing units are often fitted after the frames have been installed Such glazing units must be fitted in accordance with The Technical Requirements for DVV It will facilitate the installation of most types of unit to remove the casement or door leaf before the first stage of the installation of the frame Installation The frame is normally positioned in the wall hole with a uniform gap around jamb and head while taking account of the level of the frame sill in relation to the wall sill floor level The gap between the frame and the surrounding brickwork wall structure should normally be around 12 mm The recommendation is to set the window door unit back 4 to 5 cm from the external face of the wall to offer some protect
16. efects in workmanship and or materials this Warranty Declaration shall give the Consumer the rights against the Warrantor listed in Article 4 The product is labelled with the date of manufacture The Consumer may be reguired to document the delivery date 2 2 As to the visual guality of window panes the time allowed for lodging complaints is 3 months from the date of commissioning which for new buildings is the date of occupancy 2 3 Any complaint must be lodged in writing to the Warrantor or to the contractor supplier who has supplied the product to the Consumer 2 4 Coverage under the Warranty Scheme lt f Article 6 is conditional on the Consumer in addition to what is listed in Article 2 1 having lodged a complaint with Byggeriets Ankenaevn the tripartite Appeals Board established by the Danish Consumer Council the National Homeowners Association and the Danish Construction Association within 5 years of the date of delivery by the Warrantor Article 3 Conditions of coverage under the Warranty Declaration 3 1 The Warranty Declaration is issued under the following conditions e that the unit is DVV labelled e that the unit has been fitted and maintained according to the Warrantor s fitting and maintenance instructions and to the description Expected outcome of industrially surface treated timber elements of which the Consumer has received a copy e that the defect cannot be ascribed to conditions that
17. embers ensures that your windows and external doors have been manufactured under guality control However to ensure satisfactory performance in the short and long term it is important that the units are installed and maintained in accordance with the instructions Correct installation and maintenance is important Follow the instructions in this leaflet If you are not sure how to install the units please contact the window manufacturer who will provide the necessary instructions Otherwise incorrect installation may cause the units to malfunction This type of problem is not covered by the window and door warranty Following this manual and having the units installed by experienced window and external door installers is the 3 best safeguard and also ensures the performance of the units With regular maintenance and correct treatment in accordance with this manual your new quality products will continue to provide pleasure for years to come MM VINDUES NW INDUSTRIEN Kongsvang All 37 Bygning 16 DK 8000 Arhus C Tel 45 7220 1822 info vinduesindustrien dk www vinduesindustrien dk VINDUESINDUSTRIEN Founded in 1977 Vindueslndustrien is an industry association comprising some 65 Danish manufacturers of windows and external doors The general purpose of VinduesIndustrien is to look after the common interests of the industry In this context safeguarding consumers when they buy
18. ently open Bl in older buildings with small opening ventilation lights it may be necessary to leave them permanently slightly ajar to provide enough fresh air REMEMBER VENTILATE SUFFICIENTLY TO AVOID THE WINDOWS STEAMING UP in habitable rooms IL LLLI LLLI ener Air a couple of times a day or use vents to the external air if available if the windows start to steam up take care to air more Do not turn off the heating completely in rooms which aren t in use Do not place wardrobes or large items of furniture completely up against an outer wall the air in the room must be allowed to circulate behind them to prevent the formation of mould spots on the wall in the kitchen v LITT LLL LAI TERK H 3 Never block or close vents Open up vents fully or turn extractor fan or cooker hood to maximum speed when cooking Putting lids on pans during cooking limits the amount of moisture entering the kitchen Bl Air well during and after cooking Even if we must save energy going overboard could lead to damp air and poor air quality in our rooms which should be avoided Luckily heating reasonable amounts of fresh air won t cost a fortune Bl it will cause fewer damp problems if all rooms are heated to about the same temperature Newly built flats may need to dry out Therefore care should be taken to ventilate particularly frequently during the first year of
19. ion the reaching of a settlement or similar e that the Consumer accepts that DVV may request full or partial repayment of the money if the information provided by the Consumer proves incorrect or incomplete that DVV shall in every aspect assume the rights of the Consumer against the Warrantor who originally supplied the window and or the external door e that the Warrantor has gone bankrupt is deceased or prevented from participating in the process in some other way DVV may choose to have an expert appointed who will ascertain the extent of any defects and shortcomings as well as the cost of rectifying these Article 6 Scope of coverage of the Warranty Scheme 6 1 The DVV Warranty Scheme covers defects and shortcomings in DVV labelled windows and external doors fitted to properties in Denmark excluding the Faroe Islands and Greenland Coverage applies up to a maximum of DKK 10 000 incl VAT per component unit 5 2 The Consumer s coverage cannot exceed the amount which the decision cf Articles 5 1 and 2 4 requires the Warrantor to pay towards rectifying defects shortcomings The DVV Warranty Scheme covers up to a maximum of DKK 200 000 incl VAT per delivery 6 3 Coverage under the DVV Warranty Scheme is subject to an annual maximum limit of DKK 5 000 000 of which a maximum of DKK 1 000 000 can be paid per insured Warrantor These amounts constitute the sums aggregate for claims under the DVV Warranty Scheme in
20. ion against the wether At the hinge side the frame must be level and plumb wide and narrow side The frame must be adjusted and fixed to allow the correct fit and prescribed clearance all the way round between frame and casement Fixing Windows and external doors must always be fixed to the surrounding brickwork or building structure by means of mechanical fasteners such as frame screws dowels or brackets Common to the fixing methods to choose between is that irrespective of method they must be capable of transferring all horizontal and vertical forces caused by outside impacts and the weight of the construction itself If fixing to the face wall is chosen windows and outer doors must be fixed mechanically to the adjoining building parts using e g frame screws dowels or fasteners If fixing to inner wall prior to brick facing is preferred purpose made fasteners are reguired Subseguent fixing to the face wall is necessary and before fixing the casement must be adjusted to achieve a correct strike and the prescribed air flow between casement and frame When using expanding foam to fill the gap between the external face of the frame and the surrounding brickwork or building structure you must apply the same mechanical fixing method as described below If the frame is secured by fasteners frame screws and dowels or brackets at each individual fixing point in the opening the un
21. it will not need permanent blocks ill 1 Fasteners such as frame screws and dowels are normally located in the frame rebate cf ill 2 ill 2 Other fasteners require the use of firm permanent blocks of a material which remains stable under moisture such as marine plywood or a synthetic material possibly with the addition of a damp proof course Permanent blocking must not be used at the head of wide units e g lift and slide doors where there is a risk of exposure to load from the structure above As a rule window and door units must not be exposed to load from other building parts or structures In general the distance between fixing points must not exceed 90 cm cf ill 1 ill 4 Special instructions windows If units are less than 120 cm wide no fixing at head and sill is required Permanent blocks must be inserted under the extremes of sills at both ends units with mullions also reguire permanent blocks under the sills below the mullions cf ill 3 The blocking material must meet the reguirements stated for permanent blocks damp proof courses Special instructions doors At the hinge side the upper and lower fastener are Application of sealant The application of sealant caulking should follow the guidelines for the project in hand or the guidelines drawn up by Fugebranchens Samarbejds og Oplysnings rad FSO the cooperation and information council of the Danish se
22. ivoting point near the casement head Opening the window projects the lower part of the casement outwards while the casement head basically stays in position apart from pivoting round the hinge The casement is usually operated via a handle located in the middle of the bottom rail The casement can be retained in a ventilation position TOP GUIDED This type of casement features top guided hinges in the upper frame and casement jambs opening the window projects the lower part of the casement outwards and pulls the casement head down a little in the process m gt giving a 1 2 cm gap at the bottom The window may have a casement stay to hold the casement in position when opened to a wider angle As a design the top hung casement has to a considerable extent been replaced by the top guided casement cf below The casement is operated by a handle located in the middle of the bottom rail When opened the casement can be retained in a ventilation position giving a 1 2 cm gap at the bottom When opened to a wider angle the casement is controlled by friction brakes in the hinges The amount of friction can be easily adjusted but you must ensure that the amount of friction applied is the same at both sides of the casement Please note that the friction brake will not retain the casement in position under higher wind loads 10 TOP SWING Top swing hinges allow the casement to b
23. nts incorporated into the external walls provide a better solution cf the above illustration 15 Advice on ventilation Instruction No 76 from The Danish Building Research Institute gives some practical recommendations about ventilation of the dwelling The instruction 5th edition 1997 has been reproduced on the following page External grate with insect mesh Acoustic insulation 7 7 7 7 Example of vent to the external air circular adjustable vent with insect mesh filter anti condensation device and acoustic insulation Anti condensation device 16 Avoid damage from damp open the window The air in a flat can soon become too humid as a consequence of cooking washing bathing and watering potted plants The humid air may cause damage from damp mould spots and health hazards dust mites Many people believe a flat to be self ventilating but this is rarely the case The inhabitants must therefore themselves ensure sufficient ventilation to remove the moisture generated in the flat Newer buildings usually have mechanical ventilation extracting air from kitchen and bathrooms through extraction vents in or near the ceiling These vents must be kept open and clean to operate effectively Often there are also vents providing external air in or near windows These supply the air which is subsequently extracted through kitchen and bathrooms These vents should be kept perman
24. nty Declaration issued by the DVV certified manufacturer mentioned below hereafter referred to as the Warrantor and a warranty scheme hereafter referred to as the Warranty Scheme set up by Vindueslndustrien The Association of Danish Window Manufacturers under Dansk Vindues Verifikation the Danish window certification body hereafter referred to as DVV 1 2 The objective of the Warranty Declaration and the Warranty Scheme is to protect buyers of DVV certified windows and or external doors hereafter referred to as the Consumer for use in the Consumer s private dwelling be it detached semi detached an owner occupied flat a housing cooperative property or holiday cottage or a private residence in a mixed use residential and commercial property including the farmhouse of an agricultural holding and thereby create trust and confidence with the Consumer 1 3 The warranty gives the Consumer rights against the Warrantor and under certain conditions ensures the Consumer under the Warranty Scheme 1 4 The warranty does in no way curtail the Consumer s contractual and or legal rights towards his supplier contractor or the Warrantor Article 2 Coverage period for the Warranty Declaration Warranty Scheme complaint 2 1 If within 5 years from the date of delivery by the Warrantor but not later however than 3 months after the defects have been or ought to have been discovered the Consumer lodges a complaint of d
25. primarily used in connection with cleaning of the external face of the glazing unit while the bottom rail pivoting SIDE SWING AND SIDE GUIDED E Side swing and side guided hinges allow the casement to be opened and swung round approx 90 some side guided hinges even to approx 180 to allow the external face of the glazing unit to be cleaned from the inside of the room The casement is secured with casement stays or operated by means of a handle in the middle of the casement jamb function is used to provide ventilation The casement is operated by a handle in the casement jamb when closed the handle is turned downwards Depending on the make of handle one function is achieved by turning the handle to a horizontal position and the other position by turning it upwards to a vertical position By turning the handle to 45 it will often be possible to secure the casement in the bottom pivoting position giving a 1 2 cm ventilation gap at the casement head Fully tilted in the bottom pivoting position there will be a gap of approximately 10 cm at the top although this dimension will vary dependent on the casement height 11 Opened to 1 2 cm the casement can be secured in a ventilation position by turning the handle At other opening angles the casement can be guided by a friction brake However please note that this will not retain the casement in position under higher wind load i
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