COSMOFIN Waterproofing Membrane Specification
The Scope of Work is the application of waterproof membrane to the [*INSERT*] as indicated on the drawings. The membrane work is to include finishing at all perimeters as detailed and effective spanning of any expansion joints. Detail to all pipes, plinths, joints, edges and protrusions to ensure full waterproofing.

The Membrane
The membrane shall be Cosmofin FG, 1.5 mm thick, polyester reinforced plasticised PVC together with Cosmofin F, an unreinforced version of Cosmofin FG, which shall be used for detailing purposes. The main lap selvedges are to be free of exposed reinforcement and all exposed lap edges otherwise are to be enclosed with Cosmofin Liquid applied when welding is complete and checked off. All junctions are to be homogeneously welded - adhesives or tapes are not to be used for jointing nor detailing to pipes, penetrations etc.

Adhesion to Substrate
The membrane is to be adhered to the substrate with adhesive recommended by the manufacturer.

Base Angles
The perimeters of all deck areas at upturn bases are to be mounted with Cosmofin membrane coated steel angles, fitted in accordance with the manufacturer's instructions.

Upturn Terminations
The upturns to all vertical faces are to be carried to the height(s) specified (nominally a minimum of 150 mm). The tops of all upturns are to be sealed off with the standard Cosmofin membrane coated steel profile, fitted to the structure before welding the membrane thereoto, primed and sealed with one part urethane.

Rainwater Outlets, Pipes and Protrusions
Detail to all drains, pipes, conduits and similar connections all in accordance with the manufacturer's instructions.

Warranties
On completion of the work provide a warranty to the Client, valid for a period of ten years, that the materials as supplied are in full accordance with the specification and that the workmanship has been correctly and sufficiently executed.