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It features excellent fire performance with the rating of Class 1 Surface Spread of Flame to BS 476: Part 7 1997 and Class ‘O’ to the Building Regulations
which means it won't contribute to a fire's spread or generate significant smoke
providing additional protection against structural damage
as well as between resilient timber battens and timber studs in Robust Detail separating floors and walls
Permo forte is an extremely strong 4-layer vapour permeable underlay with a built-in safety grid
Celotex Crown-Up Flat Roof PIR Insulation - All Sizes Acoustic Insulation It features excellent fire performanceCelotex Crown Up is a brand new product for use in flat roof systems. Representing the next phase of Celotex innovation, Crown Up is a high performance rigid polyisocyanurate (PIR) insulation which delivers excellent dimensional stability and added robustness in a built up flat roofing system. Board size: 1200 x 600mm Lambda: 0. 025 0. 027 W mK Facer: Mineral coated glass tissue Board detail: Celotex Crown Up flat roof PIR insulation has the following
