Description

Superstrand™ Sarking is an engineered woodpanel sheet material for use as a roof sarking material under shingles and other similar types of roofing materials.

Superstrand™ Sarking is treated to hazard class H3.1.

Scope

1.  Superstrand™ Sarking has been appraised for use on buildings within the following scope:

• with timber roof framing designed in accordance with NZS 3604, NZS 4229 or timber roof members subject to specific design; and,
• in NZS 3604 Wind Zones up to, and including, Extra High; and,
• maximum eaves height of 10 m above the ground; and,
• snow loads up to 1 kPa; and,
• roof pitch of at least 10°; and,
• with roof trusses or framing at maximum of 900 mm centres; and,
• with roofing materials up to 150 kg/m2

2.  The system must be installed in accordance with the Technical Literature.

3.   Superstrand™ Sarking has not been appraised for the following situations:

• as a diaphragm; or,
• on flat roofs, decks, trafficable areas, or roofs with a pitch of less than 10°; or,
• as a substrate for membrane roofs.