Wykamol CM membranes are manufactured from high quality (‘virgin') polymers - polyethylene (CM20, CM8, CM Plaster) and polypropylene (CM Floor) - all giving extremely low vapour permeability and high resistance to salts etc. Studs are formed in a regular pattern on one side to provide a range of drainage capacity options (see product specifications below). Wykamol CM Plaster studs are designed to provide a key for subsequent plastering (when used with Wykamol Plaster Plugs).

Wykamol CM Floor is a low profile membrane (2 mm studs) specially designed for fast-track sealing of damp concrete at ground floor level - no need for extensive surface preparation normally required with liquid DPM systems (epoxies etc.) and no curing times before floor finishes can be applied. It may also be used on basement floors where the low stud height is critical to maintain ceiling clearance and special measures can be taken to ensure the floor drains freely via drainage channels both around and across the floor.