Sika BlackSeal Elastic Damp Proof Membrane

Appraisal number 770
Issued
Last updated 8 Apr 2026
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Description

Sika BlackSeal Elastic is a water-based bitumen emulsion modified with acrylic latex polymer used as a damp-proof membrane material behind basement and retaining walls to prevent water vapour penetrating to the interior.

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