Wykamol CM Plaster Plugs are used for the application of Wykamol Mesh membrane Systems.With its unique rubber sealing washer, Wykamol CM Plaster Membrane Plugs With Seals are high quality fixing plugs which can be used to fix and secure to the wall and/or substrate. The unique rubber seal beds into membranes far tighter than other sealing washers creating a much more effective seal than ever before.