Viking CertainTeed Shingles: A Lightweight Roofing System

All of Viking Roofspec's CertainTeed asphalt shingles range (20 year warranty through to 50 year warranty) can now be regarded as a lightweight roofing system when used in conjunction with the Viking SuperStrand Sarking substrate.

This is achieved through the performance and structural integrity of the wide-spanning 16.3mm thick Strand Sarking, which even when installed with the thickest shingles, performs equal to a lightweight roof.

Item 7.3 of the Strandsarking BRANZ Appraisal 891 states:

"Roof systems incorporating Strand Sarking weighing up to 25kg/m² may be considered as a Light Roof for design in accordance with NZS 3604."

SuperStrand Sarking is a strand board specifically designed as a substrate for asphalt shingles in New Zealand, and it offers a number of advantages. It is H3.1 treated, exceeding the minimum requirement. It does not require a tongue and groove edge, making it faster to install, and with a 3.6m long sheet, it provides a more pristine finish.

CertainTeed Asphalt Shingles

Viking Roofspec

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Asphalt shingles are individual bituminous sheets (usually 915mm long), nailed on top of a timber-sarked roof substrate with either a layer of bitumen felt or self-adhering membrane in-between.

NZ-Owned Business

Suitable for residential and commercial pitched roofs and can be used as a re-roofing solution.

Viking CertainTeed Asphalt Roofing Shingles have been appraised as a roof cladding for buildings within the following scope:

The scope limitations of NZBC Acceptable Solution E2/AS1, paragraph 1.1, with regard to floor plan area and building height; and,
Constructed with timber roof framing and sheathing complying with the NZBC; and,
Where the roof slope is 9 degrees or greater for plywood and 10 degrees or greater for Strandsarking; and,
Situated in NZS 3604 Wind Zones up to and including High, or Extra High for the Landmark Series, Hatteras and Independence shingles only.

Very High Earthquake Zone

Extra High Wind Zone

Clause B1 STRUCTURE: Performance B1.3.1, B1.3.2, B1.3.3 and B1.3.4. Viking CertainTeed Asphalt Roofing Shingles meet the requirements for loads arising from self-weight, gravity loads, temperature, snow, wind, impact and creep [i.e. B1.3.3 (a), (b), (c), (g), (h), (j) and (q)]. See paragraphs 8.1 - 8.9 of the Viking CertainTeed BRANZ Appraisal.
Clause B2 DURABILITY: Performance B2.3.1 (b), 15 years. Viking CertainTeed Asphalt Roofing Shingles meet this requirement. See paragraphs 9.1 and 9.2 of the Viking CertainTeed BRANZ Appraisal.
Clause E2 EXTERNAL MOISTURE: Performance E2.3.1, E2.3.2 and E2.3.6. Viking CertainTeed Asphalt Roofing Shingles meet these requirements. See paragraphs 13.1 and 13.2 of the Viking CertainTeed BRANZ Appraisal.
Clause F2 HAZARDOUS BUILDING MATERIALS: Performance F2.3.1. Viking CertainTeed Asphalt Roofing Shingles meet this requirement and will not present a health hazard to people.

Structure

Durability

External Moisture

Hazardous Building Materials

BRANZ Appraised

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