Therma TR27
Therma TR27 is a rigid PIR flat roof insulation board faced on both sides with a coated glass tissue facing. It is fully compatible with fully adhered single-ply and cold liquid applied waterproofing. It is easy to handle and install and ideal for both new build and refurbishment projects.
Property Value Test Standard Product Thickness 50mm - Product Dimensions
(L x W)2400mm x 1200mm
2270mm x 1200mmReaction to Fire Class 0 BS 476: Part 6: 1989
+A1: 2009
BS 476: Part 7: 1997Thermal
Conductivity at
10°C°C, W/(m.K)0.027 W/(m.K) (insulant thickness < 80 mm)
0.025 W/(m.K) (insulant thickness 80 - 119 mm)
0.024 W/(m.K) (insulant thickness ≥ 120 mm)
EN 13165: 2012 + A2: 2016