Description

Tekton® Building Wrap is a synthetic breather-type flexible wall underlay and air barrier for use under direct and non-direct fixed wall cladding on timber and steel framed buildings.  The product is manufactured of a coated spun-bonded polypropylene.

Scope

1. Tekton® Building Wrap has been appraised for use as a flexible wall underlay on timber-framed buildings within the following scope:

• the scope limitations of NZBC Acceptable Solution E2/AS1, Paragraph 1.1 with regards to building height and floor plan area; and,
• with absorbent wall claddings directly fixed to framing; and,
• with absorbent and non-absorbent wall claddings installed over an 18 mm minimum drained cavity; and,
• with masonry veneer in accordance with NZBC Acceptable Solution E2/AS1; and,
• situated in NZS 3604 Wind Zones up to, and including Very High'.

2. Tekton® Building Wrap has been appraised for use as a flexible wall underlay on steel framed buildings within the following scope:

• the scope limitations of NZBC Acceptable Solution E2/AS1, Paragraph 1.1 with regards to building height and floor plan area; and,
• with absorbent and non-absorbent wall claddings installed over an 18 mm minimum drained cavity; and,
• with masonry veneer in accordance with NZBC Acceptable Solution E2/AS1; and,
• situated in NZS 3604 Wind Zones up to, and including 'Very High'.

3. Tekton® Building Wrap has been appraised for use as a flexible wall underlay over rigid wall underlays on timber and steel framed buildings within the following scope:

• the scope limitations of NZBC Acceptable Solution E2/AS1, Paragraph 1.1 with regards to building height and floor plan area; and,
• with absorbent and non-absorbent wall claddings installed over an 18 mm minimum drained cavity; and,
• with masonry veneer in accordance with NZBC Acceptable Solution E2/AS1; and,
• situated in NZS 3604 Wind Zones up to and including 'Extra High'.

4. Tekton® Building Wrap has also been appraised for use on buildings subject to specific weathertightness design. Building designers are responsible for the building design and for the incorporation of Tekton® Building Wrap into their design in accordance with the declared properties and the instructions of Marshall Innovation Limited.