TG66 Green Roof System - Cuspated PUR Foam Drainage Board

A 0.60 mm thick, high-performance, self-adhesive vapour control layer, made of polymer modified bitumen, with glass fibre reinforcement and aluminium foil top layer. Suitable for use in high humidity environments, green roofing systems, loose-laid ballasted warm roof systems and all adhered and mechanically fastened systems.

Can be used as a temporary waterproof layer for up to 4 weeks, in strict accordance with the product data sheet.

Performance:

Water vapour resistance: >9000 MNs/g.

Installation:

Bonded over any smooth dry, surface with all side and end laps overlapped a minimum 75mm, then self-sealed. At parapets and upstands, Sarnavap must be carried up to the upper edge of the thermal insulation and sealed to the upstand/ penetration, to form an airtight seal. Sarnafil Primer 610/600 is required on metal, concrete, timber and some existing substrates.