There are two basic types of waterproofing materials: sheet membranes and sprays, including polymers and elastomeric. A contractor will typically use only one of these waterproofing systems.

The Effisus Breather FR – B Membrane is a fire retardant waterproofing breathable membrane, made of polyester nonwoven with a waterproof special coating. Effisus Breather FR – B Membrane has ...