THIS PRODUCT DISCONTINUED ON JULY 20TH, 2020.
Compressive Strength: 120kPa
Thermal Conductivity: 0.023W/mK
Water vapour resistivity: 150MN.s/g.m
Surface Spread of Flame: Class 1
Lambda: 0.022 W/mK
Facer: Low emissivity composite aluminium foil
The thinnest product manufactured by Celotex, TB4012 is a high performance, rigid polyisocyanurate (PIR) insulation board specifically designed to address thermal bridging and reduce localised heat losses.
It can be used throughout a building project to help maintain continuity of the insulation envelope and is suited to floor, wall and roof systems. Specific applications include perimeter upstand insulation in ground floors and lining door and window reveals in retrofit projects.