Roof deck – We install a minimum 18mm ply or OSB3. (OSB= Orientated Strand Board)
Alutrix Self Adhesive Vapour Barrier Bonded with FG35 Primer
Inst-Stix PU Adhesive Glue Battens
Cellotex tissue faced insulation or similar
Install EDPM rubber roof as per installation instructions.
(NB. The self adhesive vapour barrier offers significant advantages over screw fixing as it enables the roof to be made watertight prior to the EPDM rubber membrane being installed.)
Please consult Part “L” building regulations as the information printed above may have been superseded. We have attached a link here from London Flat Roofing explaining a little more about your obligations as a roofer and homeowner under Part L Building Regulations in relation to flat roofing:
Building Regulations Part L Explained ref: Flat Roofs