Description

Allco Alltherm Warmroof System is an insulating roofing system for limited access flat roofs and decks with concrete, timber or steel substrates.

It consists of a thermal insulation layer and a waterproofing membrane roof finish.

Scope

1. Allco Alltherm Warmroof System has been appraised for use as an insulating roof or deck on buildings within the following scope:

• the scope limitations of NZBC Acceptable Solution E2/AS1, Paragraph 1.1 with regard to building height and maximum floor plan areas; and,
• on limited access flat roofs with concrete, timber or steel structural decks subject to specific structural design; and,
• with roofs and decks constructed to drain water to gutters and drainage outlets complying with the NZBC; and,
• with roofs and decks constructed to suitable falls (Refer Paragraphs 15.3 and 15.4); and,
• with no steps within the deck, no integral roof gardens and no downpipes directly discharging to the deck; and,
• situated in NZS 3604 Wind Zones up to, and including, Extra High.

2. Allco Alltherm Warmroof System has also been appraised for durability and thermal performance as an insulated roofing and deck system on buildings that are the subject of specific design with no building height restriction. Building designers are responsible for the building design and for the incorporation of the Allco Alltherm Warmroof System into their design, in accordance with the declared properties and instructions of Allco Waterproofing Solutions Ltd.

3. Allco Alltherm Warmroof System must be installed by Allco Waterproofing Solutions Ltd approved and trained installers.