RIW Sheetseal 226 is a cold applied, high density polyethylene film, coated with bitumen / rubber self adhesive layer with a removable reinforced silicone paper.
RIW Sheetseal 226 is typically used to provide a water and water vapour barrier in all forms of construction, particularly where large unobstructed areas are to be treated. Typical installations include floor waterproofing, retaining walls and similar uncluttered surfaces. When designing Type A structures ( as classified in BS 8102:1990), the product applied correctly, is capable of providing the levels of protection required for Grades 1, 2, 3 & 4 basements.
Subject to normal conditions of use RIW Sheetseal 226 will provide an effective barrier to the transmission of liquid water and water vapour for the life of the structure.
The membrane is not designed for permanent exposure and must always be protected by a screed, paving slabs, insulation, etc.