Ventia Iron Wall Underlay

Appraisal number 1137
Issued
Last updated 8 Apr 2026
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Description

Ventia Iron 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 water-resistant polypropylene film laminated between two layers of spun-bonded polypropylene and is coloured grey.

Consenting instructions

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

Appraisal holder details

E Built NZ Ltd

warehouse
1B/89 Ellice Road, Wairau Valley, Auckland 0629
phone_enabled 09 916 6750