Description

Bostik Dampfix PS Peel N Stick Sheet Membrane System is an internal wet area waterproofing system for use under ceramic or stone tile finishes.

Scope

1. Bostik Dampfix PS Peel N Stick Sheet Membrane System has been appraised for use as a waterproofing membrane for the internal wet areas of buildings within the following scope:

• on floor substrates of concrete, plywood, compressed fibre-cement sheet and fibre-cement sheet tile underlay and on wall substrates of concrete, concrete masonry, wet area fibre-cement sheet lining system and wet area plasterboard lining system; and,
• when protected from physical damage by ceramic or stone tile finishes; and,
• where floors are designed and constructed such that deflections do not exceed 1/360th of the span.

2. The use of Bostik Dampfix PS Peel N Stick Sheet Membrane System on concrete slabs where hydrostatic or vapour pressure is present from below is outside the scope of the Appraisal.

3. Movement and control joints in the substrate must be carried through the membrane and tile finish. The design and construction of the substrate and movement and control joints is specific to each building and is therefore the responsibility of the building designer and building contractor and is outside the scope of this Appraisal.

4. The ceramic or stone tile finishes are outside the scope of this Appraisal.

5. The membrane must be installed by trained installers approved by Bostik New Zealand Ltd.