Membrane system

Warm roofs

A build-up that puts insulation above the structural deck, with the waterproof membrane sitting above the insulation. The structure stays warm and dry.

What it is

A warm roof puts insulation above the structural deck and the waterproofing layer above that. The structure stays warm and dry; condensation has nowhere to form.

When to use it

  • New builds and major reroofs where energy performance matters.
  • Buildings with insulation or condensation issues in the existing roof.
  • Projects targeting Homestar or Green Star ratings, or higher NZBC H1 thermal performance.

What we install

Product
Tapered insulation, vapour control layer, and the membrane system of your choice — TPO, torch-on or liquid waterproofing.
Install method
Build-up designed to your spec and substrate.

Warranty

As per the chosen membrane system — typically 15 to 20 years.

5-year workmanship warranty from us.

Next step

Tell us about the roof. We'll book a site visit and issue a written quote within five working days.

Get a quote on a warm roof
Next step

Got a project that needs a watertight membrane?

Talk to us. We'll come and look at the roof, recommend the right system, and issue a written quote.