Appraisal number: 1311
Date issued: 31 Mar 2026
Hydra Classic Wall Underlay
Description
Hydra Classic Wall Underlay is a synthetic wall underlay for use as a flexible wall underlay under wall claddings on timber and steel-framed buildings. The product consists of a micro-porous polypropylene film laminated between two layers of non-woven polypropylene and is coloured white.
Consenting instructions
Always refer to the Appraisal in full and the technical literature.
Appraisal holder
Marshall Innovations Ltd
Address: PO Box 9411 Greerton Tauranga
Phone:
07 543 0948
Web:
http://www.mwnz.com
Email:
Manufacturer details
Address:
Phone:
Web:
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