25
Warm roof
Application onto concrete or asphalt
Application instructions
When installing a warm roof onto a concrete substrate, it is important that the existing concrete or asphalt layer is completely dry, clean and
in good condition. Battens the same thickness as the insulation boards used should be solidly attached to the concrete at 300mm centres. The
Sterlingboardshouldthenbexedtothebattensusingthesamexingsaswouldnormallybeused.Ensuretherearenogapsbetweenthe
layers. The laminate can then be laid over the top as normal.
Cross-section of warm roof onto concrete or asphalt
Topcoat layer
Topcoat
GRP laminate
GRP layer
KingspanTR26orequiv.
KingspanTR26orequiv.
Concrete or
asphalt layer
Existing concrete or
asphalt layer
OSB3 T&G conditioned
sterling board
18mm OSB3 T&G