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Appraisal number: 703 (2016)

Date issued: 25 Dec 2016


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.


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.
  • In NZS 3604 wind zones up to and including extra high.
  • Maximum eaves height of 10 m above the ground.
  • Snow loads up to 1 kPa.
  • Roof pitch of at least 10°.
  • With roof trusses or framing at maximum of 900 mm centres.
  • With roofing materials up to 150 kg/m².

The system must be installed in accordance with the technical literature.

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

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

Technical literature

Superstrand™ Sarking Technical Literature, August 2010

Consenting instructions

Always refer to the Appraisal in full and the technical literature.

Appraisal holder

Juken New Zealand Ltd
Phone: 09 408 0300

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