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Celotex have discontinued the GA insulation board. Here we explain which product to choose instead and why these changes have come. Buy 50mm Celotex PIR GA, a high performance multi purpose rigid Insulation board used as floor, roof and wall insulation that achieves an A+ rating, least. Buy 80mm Celotex GA, a multipurpose PIR insulation board that achieves an A+ rating when compared to the BRE Green Guide.

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GA products below mm will be included in the GA range with a declared lambda value of 0. This is known as ventilated construction. Click Tick-Box to select one or more items. It is recommended that services penetrating the insulation or any vapour check lining board, e. This reduces the risk of interstitial condensation between the insulation layers.

Insulation between and under rafters The void created by a pitched roof can be made habitable by insulating along the plane of the roof pitch with Celotex rigid PIR insulation boards.

If sarking felt is being used, a minimum 50 mm ventilated air space must be provided between the felt and the cold side of the insulation in order to minimise the risk of condensation formation. Delivery will be as far as possible to the kerbside of the delivery address. Changes to Celotex GA Products.

Celotex recommends that a condensation risk analysis is obtained to determine the optimum solution for your project. Where the services have a greater depth than the ceotex, the wall should be chased in preference to the insulation. Celotex GA 50mm, 1. Check our frequently asked questions for common queries about positioning and installing products correctly, or contact our technical services team. Required ancillary materials include large-headed nails, screws, washers, aluminium joint tape and sealant.


You can either buy the TB directly from the product page or if you order the TB then the product may be swapped for the TB board instead. When ordering on line you can specify the date of delivery, however we would not be able to specify the time of delivery on that day. For the best experience on our site, be sure to turn on Javascript in your browser.

Celotex GA is a general purpose insulation board for floors, walls and roofs. Although there is a product page still live for GA, this is just to give Insulation Express customers the best possible route to the product they need, so that if they are unaware of the changes they can still find an appropriate product.

When the system is to be installed in existing buildings it should be realised that a small reduction in room size will occur and that permanent fixtures, e. The off-site pre-fabrication of framed panels allows rapid, accurate construction on site. Where headroom and rafter depth is limited, Celotex insulation may be fitted between and over the rafters.

Celotex GA mm, 1. However, the outer side of the membrane must be adjacent to an air space to allow moisture vapour to escape to the outside of the building, which is known as an unventilated construction. Flat roofs – in ventilated cold roof constructions, installed from inside the building. More information For more information from Celotex you can read their statement in its entirety here.

Historically, the use of steel framed walls has been found mostly in the construction of commercial buildings. All walls must be in a good state of repair with no evidence of rain penetration, damp or frost damage.


Celotex GA – Celotex

In addition, every attempt should be made to minimise the risk of cold bridging at reveals and where heavy party walls are attached to gx4000 external wall. Celotex GA 80mm, 1.

Returns and Refunds In the unlikely event that you need to return an item, please contact our team on within 14 days of accepting delivery of the item. Use our online and mobile U-value calculators to help you find the most efficient solution for each type of construction.

Celotex GA4000

If this two-layer solution is chosen, it is important that the thermal resistance of the inner layer between the raftersis less than that of the outer layer over the rafters. Celotex GA 70mm, 1. With regard to pitched roofs, the BBA certification assessed thermal performance, condensation risk and durability.

For more information from Celotex you can read their statement in its entirety here. Kingspan ThermaWall TW50 is a cut-down 0.

Please advise us in the comments on your order if access to the delivery address is limited. Offers high performance insulation with low emissivity foil facings offering gz4000 thermal performance within cavity air spaces. In the unlikely event that you need to return an item, please contact our team on within 14 days of accepting delivery of the item.

The Celotex GA Range Is entirely suitable for a number of applications including cdlotex, wall and floor systems.