Hitchins Gundec DPM Tanking Waterproofing Membranes

Appraisal number 966
Issued
Last updated 8 Apr 2026
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Description

Hitchins Gundec DPM Tanking Waterproofing Membranes are a range of polyester and fiberglass reinforced self-adhesive and torch-on modified reinforced bitumen membranes. The membranes are for use as damp-proof membranes (DPMs) and tanking membranes on basement retaining walls and under floors.

Hitchins Gundec DPM Tanking Waterproofing Membranes are applied under floor slabs and foundations, or to the exterior face of basement retaining walls to prevent water and water vapour penetrating to the interior face in spaces where moisture may cause damage.

Consenting instructions

Always refer to the Appraisal in full and the technical literature.

Appraisal holder details

Hitchins New Zealand Ltd

warehouse
PO Box 40 749, Upper Hutt
phone_enabled 04 527 7248