Cosmofin Technical Information
- Technical Drawings
- Technical Data Sheet – TDS
- Safety Data Sheet – SDS
Click on any item below to download the relevant technical drawing:
The Scope of Work is the application of the waterproofing membrane to the [*areas to be waterproofed*] 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 Waterproofing Membrane
The membrane shall be Cosmofin FG LL or FG LLV, 1.5 mm thick, polyester reinforced 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 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 can be strip-bonded to the substrate with TK400 adhesive recommended by the manufacturer. For full bonding, please contact Projex Group for recommended adhesives.
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.
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 thereto, 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.
Technical Data Sheet
Download Technical Details by clicking on the links below:
Safety Data Sheet
Click on any item below to download the relevant SDS
Cosmofin FG LL & FG LLV membranes are certified Root-Resistant (FLL Tested & DIN EN 13948)
On completion of the work Cosmofin provide a material warranty to the client valid for the nominated time period, that the materials as supplied are in full accordance with the specification & warranted against defects from the manufacturer.