Description

Nuralite Damp Proof and Tanking Membranes are self-adhesive modified bitumen (Bituthene ®) used as a DPM and a pre-applied multi-layered composite sheet waterproofing membrane (Preprufe®) for use as a DPM and tanking membrane on below ground structures. 

Bituthene® is supplied as a self-adhering SBS polymer-rubber modified bitumen sheet in roll form and Preprufe® as a multi-layered composite sheet in roll form.

Scope

1. Nuralite Damp Proof and Tanking Membranes - Bituthene® has been appraised for use as a DPM within the following scope:

• on buildings subject to non-specific design under floor slabs complying with NZS 3604 and behind concrete masonry basement walls and under floor slabs complying with NZS 4229; and,
• in buildings subject to specific design with substrates of in-situ or precast concrete complying with NZS 3101 or concrete masonry complying with NZS 4230 and NZS 4210; and,
• where subsoil drainage and free draining granular backfill has been placed behind basement walls.

2. Nuralite Damp Proof and Tanking Membranes - Preprufe® has been appraised for use as a tanking membrane within the following scope:

• on buildings subject to specific design with substrates of in-situ or precast concrete complying with NZS 3101; and,
• where the membrane is subject to hydrostatic pressure with the pressure not to exceed 2 bar (20 m head of water).

3. Installation of Nuralite Damp Proof and Tanking Membranes must be completed by Nuralite Waterproofing Ltd approved installers, in accordance with the Nuralite Waterproofing Limited Technical Literature.