SikaProof® Bentonite System - Below Ground Waterproofing

Appraisal number 612 (2022)
Issued
Last updated 8 Apr 2026
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Description

The SikaProof® Bentonite System is based on natural sodium bentonite contained within a geosynthetic fabric with other accessory products completing the system. The system is used as a damp-proofing or waterproofing membrane below ground to protect basements and other underground structures against water penetration and water vapour transmission from the ground.

Consenting instructions

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

Appraisal holder details

Sika (NZ) Ltd

warehouse
PO Box 19 192, Avondale
phone_enabled 0800 SIKA NZ