This TECHreport outlines the principles of Ecologically Sustainable Development (ESD) and their application to building specifications; includes guidance for incorporating ESD provisions into each NATSPEC worksection.

Wolfin is a single ply, high polymer, entirely homogenous synthetic roofing and waterproofing sheet membrane (no different top, middle and under layer).

Cosmofin is a reinforced high quality flexible PVC single ply membrane that is manufactured by Wolfin membranes.

Monomer-Plasticised, High UV Stabilised (LL) PVC Roofing Membrane With A Central Polyester Fabric Reinforcement.

Wolfin GWSK is a high-polymer, bitumen-compatible synthetic roofing and waterproofing membrane with integrated special glass fleece and cold-bonding self-adhesive layer.

Monomer-plasticised, high UV stabilised (LL) PVC waterproofing membrane with integrated glass fleece reinforcing and a polyester fleece backing, based on the long term proven recipe of Cosmofin.