Description

Bayonet BayoWrap Flamespec Roof 05 Underlay is for use as a self-supporting building underlay for use under roof (including durable) claddings and where it is exposed to view.

Bayonet BayoWrap Flamespec Roof 05 Underlay is a synthetic self-supporting building underlay for use under roof claddings.

The product consists of a micro-porous water-resistant film laminated to two layers of non-woven spun-bonded polyolefin. It is coloured grey on the top face and white on the bottom face and is supplied in rolls 1.35 m wide x 55.56 m long. The product is printed with laying lines repeated along the length of the roll.

Scope

1. Bayonet BayoWrap Flamespec Roof 05 Underlay is certified for use on buildings:

• a) within the limitations of NZBC Acceptable Solution E2/AS1, Paragraph 1.1 with regards to building height and floor plan area, and
• b) situated in wind zones up to and including Extra High (as defined in NZS3604), and
• c) with masonry tile, metal tile or profiled metal roof cladding
• d) with a minimum roof pitch of 3 degrees

2. Bayonet BayoWrap Flamespec Roof 05 Underlay be installed:

• a) in accordance with the FlameSpec Roof Underlay Product Technical Statement & Installation Guide V3, September 2022,
• b) where the roof pitch is between 3 degrees and 10 degrees, be installed horizontally or vertically when supported by a corrosion resistant roof underlay support, or
• c) where the roof pitch is greater than 10 degrees, installed horizontally or vertically, spanning no greater than 1200mm between supports,

3. Bayonet BayoWrap Flamespec Roof 05 Underlay shall not be exposed to the weather or UV light for more than 7 days.