CERTIGRADE® RED CEDAR SHINGLES

Certigrade® Cedar Shingles
This type of smooth sawn, architecturally uniform cedar shingle is preferred for its natural and tailored appearance and is used on traditional, modern, and non-residential structures. For use on roofs and sidewalls.


Number 1 Blue Label®
The premium grade of shingles for roofs and sidewalls. These top-grade shingles are 100% heartwood, 100% clear and 100% edge grain. Available in 16" or 18" or 24" lengths.


Number 2 Red Label
A good grade for many applications. Not less than 10" clear on 16" shingles, 11" clear on 18" shingles and 16" clear on 24" shingles. Flat grain and limited sapwood are permitted in this grade.

Number 3 Black Label
A utility grade for economy applications and secondary buildings. Not less than 6" clear on 16" and 18" shingles, 10" clear on 24" shingles.



Number 4 Undercoursing
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.



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.

N umber 2 Grade Red Label
Description
Lengths 16-inch, 18-inch, 24-inch; thickness of 16-inch is 5/2", 18-inch is 5/2 ¼", 24-inch is a 4/2"; width 4" minimum. Face must be 10", 11" and 16" clear or better on 16-inch, 18-inch and 24-inch shingles, respectively. Limited sapwood and flat grain are allowed. Limited knots and defects are allowed above the clear portion.

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

Number 3 Grade, Black Label
Description
Lengths 16-inch, 18-inch, 24-inch; thickness of 16-inch is 5/2", 18-inch is 5/2 ¼", 24-inch is a 4/2"; width is 3" minimum, 2 ½" minimum on 16-inch. Face must be 6" clear on 16-inch and 18-inch, 10" clear on 24-inch. Unlimited sapwood and flat grain allowed. Limited knots and defects above clear portion.

Recommended Use
For walls and roofs on 3:12 pitch and steeper where an economy product is acceptable.

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
PITCH
LENGTH
 
3:12 to 4:12
4:12 and steeper
16" 18" 24"
3¾" 4½" 5¾"
5" 5½" 7½"

No.2 Red Label: Maximum exposure recommended for roofs
PITCH
LENGTH
 
3:12 to 4:12
4:12 and steeper
16" 18" 24"
3½" 4" 5½"
4" 4½" 6½"

No.3 Black Label: Maximum exposure recommended for roofs
PITCH
LENGTH
 
3:12 to 4:12
4:12 and steeper
16" 18" 24"
3" 3½" 5"
3½" 4" 5½"

  • 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.
  • This is only a product description necessary for selection of materials and grades. For a new roof construction manual and/or wall manual please contact: info@cedarbureau.com.