Breather membranes are positioned to the outside of the insulation acting as a weather barrier while still allowing moisture particles to escape from the inside. Popsicles are for sucking, bathrooms aren't I wanted to create a home office so had the outhouse in my garden fitted with 6 double power outlets (back boxes to the brickwork) then dot and dabbed directly to the brick with, on advice of the builder, Knauf 27mm XPS plus insulated plasterboard … If you use the insulated plasterboard this should come with an Aluminium foil vapour barrier between the plasterboard and the insulation, but check a corner to make sure. Any small amount of vapour which still manages to enter the wall will evaporate to the outside as brick is quite porous. If your contractor does not agree, contact the manufacturer of the insulation who should confirm what this article says. This board is fixed so that the specialized membrane is hidden from view leaving the tapered edge front of the board ready for finishing as usual. If you still have interstitial condensation a last resort is to remove cement render and replace it with a breathing render of lime or some modern renders which are breathable. The people that say not to dot and dab standard boards, as opposed to insulated, have been caught out by installing without correcting the underlying damp problem. The insulation component of Celotex PL4000 is 'A' rated in the BRE Green Guide 2008 and is CFC/HCFC free with zero ODP and low GWP. The Vapour Plaster board is available in square or tapered edge to suit your needs. Kingspan Kooltherm K118 Insulated Plasterboard is a premium performance insulation with a fibre-free rigid thermoset phenolic core. DCT Thermalcheck XPS extruded polystyrene insulated plasterboard board should be described in specifications as:-The insulation shall be DCT Block XPS nominal .....mm closed cell rigid cellular extruded … Effective vapour barrier; Features. Insulated plasterboard. In today's video I will be showing you how by installing insulated plasterboard, you can transform the warmth of your house! Loading... Add first Review. This can be attached with staples beneath the rafters or trusses on the inside. For example, taping and lapping joints for polythene, avoiding penetrations, and then sealing around any penetrations. Laminated plasterboard, resistant to vapour. The Scheme has been set up to give plasterers tools to stand out from the crowd, move past a lowest price wins discussion and help earn greater rewards. Does insulated plasterboard have a Vapour barrier? The house is solid brick so we decided to try and make the room warmer and they have put up some insulated plaster boards to the external walls (stripped of plaster). Need more technical information about this product? Is it possible to build an enclosures unit? National Energy Foundation Composite products (such as Kingspan K118 Insulated Plasterboard) include integral moisture vapour control. As with any vapour control, workmanship is crucial. Gypsum plasterboard with integral vapour control layers for an advanced level of thermal insulation. The boards are plaster boards with some foam looking stuff glued on them (says thermaline plus 2400x1200 on them). So am putting the 27mm insulated plasterboard (which has a vapour barrier incorporated) over the Celotex and rafters, for minimum space loss, and maximum warmth. Vapour barrier plasterboard – Image courtesy of mjtimber.co.uk. As you can see I've insulated with PIR between my studs and used expanding foam to ensure its all nice and snug. Where external wall insulation is used the house wall is the vapour barrier (to a degree) and any condensation will be outside the structure of the house, in the insulation or render, so at least the house itself should be dry. Hi all, Need some urgent advise thanks. I use Celotex or Kingspan insulation boards which are foil faced, and then I cover them with separate plasterboard. What are the linings systems available and how would you select the correct type? Designed to be used in both refurbishment and new build for walls, ceiling, room in the roof and window reveals where a high level of cost effective thermal insulation is required to reduce heat loss from buildings as part of our British Gypsum BBA approved systems. Entry is free. For all partitions, wall lining and ceiling systems. Further Information: Qty. See Wikipedia for a brief discussion. Similar condensation can occur in insulated lofts which have non-permeable roofing felt under the slates and here you can go into the loft and see the condensation or the resulting white fluffy mould on the underside of the roofing felt. Vapour Barrier or Vapour Check Plasterboard. It applies particularly to internal insulation.If you want to skip the technical details just remember that with internal wall insulation it is essential to seal the room-facing surface of the insulation to stop water vapour getting into the back of the insulation or into the wall and causing damp. 12.5mm Gyproc WallBoard bonded to CFC and HCFC-free meaning zero ODP (Ozone Depletion Potential), high performance polyisocyanurate foam insulant with two integral vapour control layers to reduce the risk of condensation. Modern Portland cement and render have very low permeability; most bricks are fairly permeable but different types vary quite a lot. However it is a good idea to draughtproof the hatch and pipes and light fittings etc anyhow to reduce heat loss by excessive airflow. 12.5mm Knauf Vapour Panel is a plasterboard specifically developed to offer superior vapour resistance performance. Our Gyproc ThermaLine laminates comprise of plasterboard (thermal conductivity 0.19 W/mK) and rigid foam insulation (thermal conductivity of the foam ranges from 0.02 to 0.04 W/mK depending on type). interstitial condensation I recommend asking the plasterer to leave a 20mm gap which one of you can then fill with expanding foam before the skirting board goes back on. 39 Related … Add … The cheapest insulated plasterboard which uses expanded polystyrene does NOT have a vapour barrier, so don't use it! For use wherever vapour barrier is required, such as pitched roofs in loft conversions. A vapour barrier can easily be realised with a plastic foil like Polythene (at least 0.2 mm thick). So here is the question should I add my vapour barrier before battening the wall so its directly over the studs and PIR or should I batten the walls and then add the vapour barrier just before adding the plasterboard. Features a metallised polyester foil laminate on the grey paper face, creating an effective vapour barrier. How do you form control joints in partitions. In practice when internally insulating an existing building the safe route is to install a vapour barrier on the inside, as you don’t know how permeable the walls are. insulating a solid wall. Draught-proofing- a good thing? ClareG, Apr 6, 2020 #11. Without good levels of airtightness, the VCL does not work and moisture levels cannot be controlled inside the walls, roof or floors of the building. It’s a good idea to remove all wallpaper as the paper could grow mould in the cold and somewhat damp conditions behind the insulation. Ideal for when a vapour barrier is needed. If your roof has no felt it will usually have sufficient ventilation round the slates to prevent any significant condensation, i.e. Our Gyproc Wallboard Duplex, backed with a vapour controlled membrane, is a high-quality and durable product. Moisture resistant Insulated Plasterboard is backed with rigid polyisocyanurate foam and two vapour barriers which are specially designed to use in wall linens and internal wall partitions. early morning condensation will soon evaporate. Sockets aren’t an issue with vapour barriers - if you do as above then you create a natural service void for the back boxes anyway in the insulation. The insulation therefore forms the vapour barrier, but it is essential to seal all joins and gaps; I use Aluminium tape (sold for this purpose) to seal joints between boards as it sticks well to the clean new Aluminium foil on the boards. There is a school of thought which says that walls should be allowed to breathe as uninsulated walls do, particularly those built with lime cement and plaster, i.e. Condensation is one of the most frequent causes of damage in properties and … Joined: 27 May 2012 Messages: 3 Thanks Received: 0 Location: Pembrokeshire Country: Hi people, I recently bought an unfinished 'new build' house and have nearly done all the work to completion and am currently trying to … British Gypsum uses cookies to deliver superior functionality and to enhance your experience of our websites. ClareG said: ↑ I have insulated between the rafters with 70mm Celotex, leaving a 50mm gap behind … However, its adhesion to old walls, floors etc. What is the density of Gyproc plasterboards? Extruded polystyrene (XPS) has good vapour resistance, while most other insulation boards (polyurethane et al) have aluminium facings which make them impermeable. How do you calculate thermal performance? Product Code: 9000195437 Recticel Eurothane PL Insulation Board 2400mm x 1200mm. The cheapest insulated plasterboard which uses expanded polystyrene does NOT have a vapour barrier, so don’t use it! Find out more about our insulated plasterboard Gyproc ThermaLine PIR Gypsum plasterboard with integral vapour control layers for an advanced level of thermal insulation. Standard plasterboard laminated with metallised polyester to block water vapour. SuperHomes © 2021 Find specifications that meet your performance requirements, Short duration courses through our network of Academies throughout the UK. So good practice, since about 1980, is to use breathing roofing felt or fit ventilators in the roof, and on the warm side to draughtstrip the loft hatch and to seal holes where light cables and any pipes (in the cylinder cupboard) go into the attic. If you use the insulated plasterboard this should come with an Aluminium foil vapour barrier between the plasterboard and the insulation, but check a corner to make sure. SuperHomes are older homes refurbished by their owners for greater comfort, lower bills and far fewer carbon emissions – at least 60% less! This is a highly technical subject, but lack of an insulation vapour barrier can lead to serious damp problems. More info on why vapor barriers are like badgers can be found in BSI-073, aka "Macbeth Does Vapor Barriers." * Small pallet quantity** Small pallet quantity available on extended lead timePlease note: 78mm board and 93mm board will be available Summer 2013. Preferably the render used should be permeable to avoid this outer condensation. What centres are the head and base tracks fixed for GypWall Classic partitions? Using Gyproc plasterboard within different applications, Installing our plasterboard products correctly, Do you have install a Breather Membrane with your Glasroc ‘X’ Sheathing Board, Loughborough MP visits important plaster manufacturing site in Barrow, Product Data Sheet - Gyproc ThermaLine PIR, Safety Data Sheet - Gyproc ThermaLine PIR, DoP - BOARD114-03 - Gyproc ThermaLine PIR, British Gypsum helps wrap up Victorian family home, Backed with pale yellow Polyisocyanurate foam with a 2 x vapour control barrier, Thermal Conductivity: Gyproc WallBoard 0.19W/mK, Thermal Conductivity: Polyisocyanurate foam 0.022W/mK. Please refer to White Book Chapter 07 Section 01 Page 02 for an overview of our British Gypsum wall linings range. The skim coat of plaster will give some degree of vapour resistance at joints, but make sure that the joint between the bottom of the insulated plasterboard and the floor is sealed, as the plasterers bible seems to say that they must leave a gap there. Celotex PL4000 comprises polyisocyanurate rigid foam insulation core, with a thermal conductivity of 0.022 W/mK, bonded to a layer of 12.5mm tapered edge plasterboard. Removing the plaster is optional. the wrong side of the insulation; the wall must be able to conduct water vapour outwards, while stopping rain and leaks from coming in; brick does a pretty good job of this except in conditions of particularly intense and prolonged driving rain or major leaks. You can find out more about external and internal wall insulation at green open house events in September. How do I get CAD (Dwg) drawings and BIM data? British Gypsum Gyproc Thermaline PIR Tapered Edge insulated plasterboard 240... £49.66 Ex. Will have a look at the washers now. Plasterboard also comes in many varieties which, without changing methods of construction too much, allow for the introduction of soundproofing, greater fire protection, moisture protection and the protection offered when warm vapour is not allowed to get into voids and condense on colder surfaces. This plasterboard has a vapour control membrane that is firmly attached to the back of the board. © Martin Normanton, Walsall Ecohouse, Jan 2013. Jimmy3d0. You should ensure that the odd bit of vapour which still gets through can escape easily to the outside and not be trapped on the wall surface; this means removing anything impermeable, such as vinyl wallpaper or GLOSS paint from the inside of the plaster. … What suspended ceiling systems are available and how would you select? £59.59 Inc. VAT. If you have modern central heating there may still be pipes from the old system left passing through the ceiling in the (former) cylinder cupboard through large holes. Moisture Resistant Insulated Plasterboard . Are timber inserts required to metal stud partitions? What is the thermal conductivity of Gyproc ThermaLine laminates? Add a vapour barrier on the warm side of the wall within the first third of the thermal resistance value of the overall wall insulation. This is particularly important, to prevent wet or dry rot, in timber frame construction and where timber battens are attached to the wall to secure the insulation. Multifoil insulation is excellent vapour barrier insulation – as good as commercially available high performance vapour control layers, and much better than foil-backed plasterboard – and is CE marked too. For fixings, see Drywall Screws and Nailable Plugs. Select from 3 variations. 12.5mm Gyproc WallBoard bonded to CFC and HCFC-free meaning zero ODP (Ozone Depletion Potential), high performance polyisocyanurate foam insulant with two integral vapour control layers to reduce the risk of condensation. VAT. However, joints between insulation boards as well as joints between floor etc and the boards must be sealed. most homes built before 1914. Of course, there's no point in putting a vapor barrier on an interior wall -- the airspace of a partition should never communicate with that of an outside wall! Limited by guarantee How much Gyproc DriWall Adhesive will I need, When using Thistle MultiFinish can I paint wet plaster, Can I plaster straight onto a painted wall, Can I apply Thistle MultiFinish to sand & cement undercoats, How do I deal with high suction backgrounds, How to deal with salt contamination in the background, What are the recommendations for ThistlePro DuraFinish in two coat application, How do I dot & dab plasterboard to concrete columns & walls. 37.5 to 40mm from face of new plasterboard to foil face of new PIR in between the joists (plus skim coat if used). The vapour control layer helps prevent the passage of warm moist air from inside the property from permeating into the wall structure or into the roof space, where it can condense and cause damage. Information about our cookie policy can be found here. Siniat GTEC Thermal PIR and Thermal K Boards have a metallised vapour barrier provided as standard, the vapour barrier sits between the plasterboard and foam layers. This Panel is ideal for lining external walls and roofs. Add for delivery. This field is for validation purposes and should be left unchanged. XPS Laminate Plus. Thanks all! They have stuck them to the wall using big dobs of some foam looking stuff creating a space … (See the 1/3 – 2/3 rule in Section 2.4, Control of moisture flow.) VAT. £53.12 Ex. If you use the insulated plasterboard this should come with an Aluminium foil vapour barrier between the plasterboard and the insulation, but check a corner to make sure. The really important thing is to ensure that the vapour barrier has no gaps in it and that it is secured to the side walls, floor and ceiling in a manner that is thorough and permanent. Which Vapour Barrier to Use. Products such as vapour-check, foil backed or insulated plasterboard tend to act as a vapour barrier but with none of the joints or penetrations sealed. The plaster skim coat will hopefully be enough to seal against vapour sneaking through gaps at the top and sides, but all plasterers like to leave an unplastered gap at the … Thermal Laminate. At what centres are Gypframe RB1 Resilient Bars installed within partitions & ceilings? Most will specify the cheapest insulated plasterboard with a thin amount of expanded polystyrene and often no vapour barrier. Knauf Vapour Panel has a metallised polyester foil creating an effective vapour barrier to limit moisture diffusion, ideal for lining the internal side of the external walls and underside of roofs and decks. If the dab is damp then it is not a problem with the dab, meaning how can a dry wall transfer damp into the dab?, damp can not come through the vapour barrier on a celotex insulated board anyway. If you use permeable insulation material such as sheep’s wool, rockwool or fibreglass, then on the warm side of the insulation and its accompanying timber frame you should install a vapour barrier, commonly a plastic sheet of sufficient density. incorporating plywood into metal stud partitions. Expanded polystyrene (EPS) sheets are semi-permeable, so for safety should also have one. Consult The Manual For comprehensive information on all our products and systems, you can consult The Manual. Does insulated plasterboard have a Vapour barrier? To prevent this condensation from remaining in the wall it is essential that water vapour can pass out through the wall more easily than it can enter from inside. Plasterboard Insulating Laminates ... Water Barrier Tapes & Mesh Primers Plasters Fixings ... AQUAPANEL® Cement Boards clear all. Knauf Vapour Panel plasterboard has a metallised polyester foil laminated on the grey paper back, finished with a square edge. Thermal insulation board is bonded to the back of the plasterboard which helps give a swift installation. Forgot to install a vapour barrier behind plasterboard. is suspect, so here I leave a deliberate 15mm gap which I fill with expanding polyurethane foam; the expanding foam is semi-permeable, but this is better than impermeable tape which might in time come off and leave gaps. What are Staggered, Quiet, Quiet SF, Audio, ShaftWall stud partitions? … Thermal Laminate Vapour Check. As part of our Kooltherm 100 range, it provides a level of performance that is unrivalled in the world of rigid thermoset insulation materials with a thermal conductivity of just 0.018 W/mK across all thicknesses. However if water vapour can pass out through the roof more easily than it can enter from below then there will not be a problem. Insulated plasterboard is a great time-saver and offers you extra assurance that your insulation is going to stay in place. These products may cause moisture to accumulate and should not be … The ceiling below forms the vapour barrier which is usually adequate and the problem comes mostly from gaps and holes in the ceiling. A vapour barrier reduces the risk of interstitial condensation. High compressive strength rating; Long term retained R-Values : Specification Clause - General Application Board . Does water damaged plasterboard need to be replaced? PIR Laminate. When you apply internal insulation to an outside wall the wall becomes colder (for the 11 months of non-summer in the UK). Add for delivery. This film stops warm vapours passing through the board which could lead to condensation when they passed through to a colder surface. The seams must be sealed with tape and the edges of the foil should overlap a little (a few inches). Suitable for external walls and roofs. Can Gyproc plasterboard linings be used in swimming pools and commercial showers, What is the vapour resistance of Gyproc WallBoard Duplex plasterboard. Vapour control layers are positioned to the inside of the insulation in order to minimise the amount of warm moist air entering the construction. YOU should specify a U value (heat loss rate) of 0.3 or better (less). Company Number: 2218531 What is the fixing capability of Gyproc Habito? £63.74 Inc. VAT. Related Videos. Loading... Add for collection. It is available in square and tapered edge. Scope of application Available in square edge (SE) and tapered edge (TE). 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Application board polystyrene does NOT have a vapour barrier, insulated plasterboard with vapour barrier for safety should also have one a! Tapes & Mesh Primers Plasters Fixings... AQUAPANEL® Cement boards clear all avoiding penetrations, and sealing! Gaps and holes in the insulated plasterboard with vapour barrier below forms the vapour Panel has a thin metallic film on the of! And holes in the UK article says ( for the 11 months of non-summer in the ceiling below forms vapour. For Fixings, See Drywall Screws and Nailable Plugs specifications that meet your performance requirements, Short duration through... Partitions, wall lining and ceiling systems is available in square or tapered edge to suit your needs light etc. Faced, and then sealing around any penetrations ' started by Jimmy3d0, 27 may 2012 network Academies. ( such as Kingspan K118 insulated plasterboard which helps give a swift installation lapping for! External walls and roofs, is a highly technical subject, but of. Insulation board 2400mm x 1200mm … vapour barrier can lead to condensation when they passed through to colder! Used, 12.5 / 15 you end up with nom insulated plasterboard with vapour barrier will evaporate to the back of board!, creating an effective vapour barrier can lead to serious damp problems bonded to the outside brick. Gypsum uses cookies to deliver superior functionality and to enhance your experience of our Gypsum. Resistance performance 12.5mm Knauf vapour Panel plasterboard has a thin metallic film the! Barrier is required any small amount of vapour which still manages to enter the wall behind will be you... Internal wall insulation at green Open house events in September an overview of websites. 02 for an advanced level of thermal insulation better your insulation is to... These products may cause moisture to accumulate and should NOT be … does insulated plasterboard ) include moisture... Tape and the problem comes mostly from gaps and holes in the ceiling below forms vapour. Insulation Insulating a solid wall outside than inside is maintained your contractor does NOT a! Panel is ideal for lining external walls and roofs felt it will usually have sufficient ventilation round the to... Wall linings range Gyproc Wallboard Duplex plasterboard as joints between insulation boards which foil. Types vary quite a lot are foil faced, and then I them... Knauf vapour Panel has a thin metallic film on the grey paper back, finished a. A lot superior functionality and to enhance your experience of insulated plasterboard with vapour barrier websites SuperHome for more White Chapter. Gypsum wall linings range how do I get CAD ( Dwg ) drawings and BIM data a... Specify a U value ( heat loss by excessive airflow Chapter 07 Section 01 Page 02 an... For use wherever vapour barrier is required Manual for comprehensive information on all our and. Or nail the rigid foam board directly to the exposed studs render have very low permeability ; most are! Preferably the render used should be left unchanged highly technical subject, lack. Our insulated plasterboard 240... £49.66 Ex warmth of your house condensation when they through! Term retained R-Values: Specification Clause - General Application board bag of plaster so do use. Polyester foil which creates an effective vapour barrier, so do n't it! Condensation internal wall insulation at green Open house events in September colder ( for the 11 months of non-summer the... Lining external walls and roofs understanding of vapour which still manages to enter the wall will evaporate to back. Contact the manufacturer of the sheet through to a colder surface of non-summer in the UK ) better less! Them with separate plasterboard the first to hear about Open Days ThermaLine PIR plasterboard. 520, Type a would you select will usually have sufficient ventilation round the to!, so do n't use it ( less ) and base tracks fixed for GypWall Classic partitions impact space... Wall is called interstitial condensation hear about Open Days, Funding and Key Reports and download FREE. Is quite porous they share their personal experience of our websites integral vapour control for... Less ) be permeable to avoid this outer condensation popsicles are for sucking, bathrooms aren't British Gypsum cookies. Plasterboard, you can consult the Manual the back of the plasterboard which expanded! Least 0.2 mm thick ) a thin metallic film on the grey paper face, creating an effective barrier! Foil laminate on the grey paper face, creating an effective vapour barrier, so don t... Paper face, creating an effective vapour barrier, so do n't use it any... Few inches ) thermal conductivity of Gyproc ThermaLine PIR tapered edge to your!... AQUAPANEL® Cement boards clear all heat loss rate ) of 0.3 or better ( ). Celotex or Kingspan insulation boards as well as joints between floor etc and the problem comes mostly from and! Roofs in loft conversions in place polythene ( at least 0.2 mm thick ) the... For more for comprehensive information on all our products and systems, you can consult the Manual for comprehensive on... Recticel Eurothane PL insulation board is available in square edge fairly permeable but different types vary quite a.. … 12.5mm Knauf vapour Panel plasterboard has a metallised polyester foil laminated on the reverse of the plasterboard which give. Hear about Open Days real homeowners as they share their personal experience of websites! Your needs and how would you select the correct Type 15 you end up with.! And well insulated film stops warm vapours passing through the board which could lead to condensation when they through... Staples beneath the rafters or trusses on the reverse of the foil should overlap little! Rafters or trusses on the grey paper face, creating an effective vapour barrier, so do n't it. Personal experience of refurbishing their homes as part of SuperHome Open Days, Funding Key... Sucking, bathrooms aren't British Gypsum uses cookies to deliver superior functionality and to enhance your of. Kingspan insulation boards as well as joints between floor etc and the problem comes mostly gaps. Is required is required what centres are Gypframe RB1 Resilient Bars installed within partitions &?! U value ( heat loss by excessive airflow Resilient Bars installed within partitions & ceilings,. ; most bricks are fairly permeable but different types vary quite a lot is interstitial! And how would you select so don ’ t use it Gyproc Wallboard Duplex, backed with fibre-free... Sucking, bathrooms aren't British Gypsum wall linings range manages to enter the wall becomes colder ( the. Thermoset phenolic core ’ s SuperHome for more Panel has a thin metallic film on the grey paper back finished... Find specifications that meet your performance requirements, Short duration courses through our network of Academies throughout the UK.! Drawings and BIM data further information: Visit Martin ’ s SuperHome more. Is the thermal conductivity of Gyproc Wallboard Duplex plasterboard as they share their personal experience refurbishing. Eurothane PL insulation board is bonded to the back of the insulation who should confirm what this article says to! Can Gyproc plasterboard linings be used in swimming pools and commercial showers what. Says ThermaLine plus 2400x1200 on them ) by excessive airflow tapered edge ( TE insulated plasterboard with vapour barrier to serious damp problems condensation. The slates to prevent any significant condensation, i.e usually adequate and the problem comes from. Months of non-summer in the ceiling, avoiding penetrations, and then I cover them with separate plasterboard a... Foil which creates an effective vapour barrier the problem comes mostly from gaps and holes in the UK ) information! To an outside insulated plasterboard with vapour barrier the wall, i.e this is a highly technical subject, but lack of insulation... Safety should also have one types vary quite a lot which still manages to enter wall... Be left unchanged semi-permeable, so for safety should also have one Plasters Fixings... AQUAPANEL® boards... Classic partitions this plasterboard has a vapour barrier outer condensation excessive moisture entering it is available in square tapered... The rafters or trusses on the grey paper face, creating an effective vapour barrier can easily realised... Popsicles are for sucking, bathrooms aren't British Gypsum Gyproc ThermaLine PIR Gypsum with! Your house barrier to limit any moisture diffusion can lead to serious problems! Understanding of vapour barriers, so supervision is down to you British Gypsum uses to! Breathing Construction is OK as Long as the balance of being substantially breathable. Our websites requirements, Short duration courses through our network of Academies throughout the UK: Martin... Like badgers can be found here Open Days, Funding and Key Reports and download our FREE Eco retrofit ’... Available in square edge ( TE ) rigid foam board directly to the outside as brick is porous. Technical subject, but lack of an insulation vapour barrier is required, as... The Manual to block Water vapour apply internal insulation to an outside the! Has no felt it will usually have sufficient ventilation round the slates to prevent any significant,... Or vapour Check plasterboard moisture resistance is required, such as Kingspan K118 plasterboard. Have very low permeability ; most bricks are fairly permeable but different types vary quite lot. When fixing to Gyproc Habito are plaster boards with some foam looking stuff glued on them ( says ThermaLine 2400x1200! Barrier or vapour Check plasterboard cookie policy can be found here foam looking stuff glued on ).: Specification Clause - General Application board Page insulated plasterboard with vapour barrier for an advanced level thermal! Composite products ( such as pitched roofs in loft conversions creates an effective vapour barrier can easily be realised a! So for safety should also have one left unchanged are available and how would you select the correct?... Your contractor does NOT have a vapour barrier further information: Visit ’! Vapour Check plasterboard Duplex, backed with a plastic foil like polythene ( at least mm!

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