Product Data

Number 1 Grade, Blue Label
Description
Lengths 16-inch (Fivex), 18-inch (Perfection), 24-inch (Royal); width 4" minimum, on 24-inch and 3" on 16-inch and 18-inch; thickness of 16-inch is 5/2" (5 butts together measures 2" thick), 18-inch is 5/2, ¼" thick, 24-inch is 4/2" thick. Clear heartwood; 100% edge grain; no defects.

Recommended Use
For walls and roofs on 3:12 pitch and steeper where a premium quality product is desired.

Undercoursing Grade
Description
Lengths 16-inch, 18-inch, thickness 5/2" and 5/2 ¼" respectively; width 2 ½" minimum. Unlimited defects, flat grain and sapwood.

Recommended Use
A utility grade for undercoursing of double coursed sidewalls only. Not a roofing material and not to be used as a starter course for roofs.

Special Undercoursing
Same grade requirements as undercoursing grade, except each bundle also contains the machine production of No. 3 grade shingles.

Roof Exposure Tables
No.1 Blue Label: Maximum exposure recommended for roofs

Specifications

• Class A, B & C fire ratings may be obtained by specifying Certi-Guard® pressure impregnated fire-retardant treatment, on number 1 grade product.
• Certi-Last® pressure impregnated preservative treatment is available for added longevity.
• Contact the treatment company for treatment warranty information, accessory product requirements (including recommended fastener types) and application details for treated cedar material.
• Certi-label™ cedar shake and shingle hip and ridge units are manufactured by members of the Cedar Shake & Shingle Bureau are graded in accordance with UBC Standards No. 15-3 and 15-4 and/or CSA 0118.1.