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25mm Celotex TB4025 2.4m x 1.2m | Celotex Insulation Celotex TB4000 is a large range that is available in a number of thickness under the model numbers, TB4012, TB4020, TB4030, TB4040. To get the information on Celotex TB4000 insulation range directly from the Celotex insulation manufacturer click here. The Celotex Handy Guide The Celotex Handy Guide | 5 Building regulations and U-values New buildings Designing a new build property requires the use of calculation software called SAP to calculate (mm) R-value (m2K/W) TB4012 12 0.50 TB4020 20 0.90 TB4025 25 1.10 TB4030 30 1.35 TB4040 40 1.80 Lambda 0.022 W/mK Board size 1200 x 2400mm BBA certificates Celotex® Products & History of Celotex Insulating 1980: In the U.S. in the 1980's Celotex Thermax insulating board was described by the Celotex Company (Jim Walters corporation, Tampa) as an insulating sheathing board with an R-value of 5.4 for a 3/4" thick board: higher R than its competitors at the time as it was compared with foam insulating board sold by Dow, WR Grade and Simplex

Certification of 50mm Celotex GA4050 Insulation Board. CE-marked; British Board of Agrement for floors, framed walls, and pitched roofs; More information on 50mm Celotex GA4050 Insulation Board. Celotex GA4000 is a large available in a range of thicknesses. GA4060, …

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Celotex PL4000 is purpose designed for providing thermal insulation and plasterboard as one product. PL4000 can be specified for use in a variety of applications including: The 'underneath' layer of insulation in between and under rafter and joist applications. Solid masonry walls. Timber frame lining applications.

67.5mm Celotex PL4055 | 55mm PIR Insulation Bonded to 67.5mm Celotex PL4055 is a high performance thermal insulation board where the PIR insulation is bonded to 12.5mm tapered edge plasterboard. It is manufactured from rigid polyisocyanurate (PIR) using a blend of blowing agents that have zero ozone depletion potential (zero ODP) and … 50mm Celotex GA4050 2.4m x 1.2m | Celotex Insulation