EnglishFrenchGermanSpanish
menu
EnglishFrenchGermanSpanish

Certigrade® Shingles

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

Untreated Products

Certigrade® Red Cedar Shingles

Number 1 Grade, Blue Label®

Go to Section

  1. General Information
  2. Installation Information
  3. Warranty Information

1. General Information

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.

2. Installation Information

Installation guides

Roofing Installation Video

3. Warranty Information

Manufacturer’s Lifetime Limited Warranty

Offered by Member Manufacturers of the Cedar Shake & Shingle Bureau (“CSSB”)

Warranty Submissions

For submission requirements see: Manufacturer’s Lifetime Limited Warranty.

Fraud Alert!

Download and read the fraud alert regarding manufacturer’s lifetime limited warranty.

Read Fraud Alert

Certigrade® Red Cedar Shingles

Number 2 Grade, Red Label

Go to Section

  1. General Information
  2. Installation Information
  3. Warranty Information

1. General Information

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.

2. Installation Information

Installation guides

Roofing Installation Video

3. Warranty Information

Manufacturer’s Lifetime Limited Warranty

Offered by Member Manufacturers of the Cedar Shake & Shingle Bureau (“CSSB”)

Warranty Submissions

For submission requirements see: Manufacturer’s Lifetime Limited Warranty.

Fraud Alert!

Download and read the fraud alert regarding manufacturer’s lifetime limited warranty.

Read Fraud Alert

Certigrade® Red Cedar Shingles

Number 3 Grade, Black Label

Go to Section

  1. General Information
  2. Installation Information
  3. Warranty Information

1. General Information

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.

2. Installation Information

Installation guides

Roofing Installation Video

3. Warranty Information

Manufacturer’s Lifetime Limited Warranty

Offered by Member Manufacturers of the Cedar Shake & Shingle Bureau (“CSSB”)

Warranty Submissions

For submission requirements see: Manufacturer’s Lifetime Limited Warranty.

Fraud Alert!

Download and read the fraud alert regarding manufacturer’s lifetime limited warranty.

Read Fraud Alert

Certigrade® Red Cedar Shingles

Undercoursing Grade

Go to Section

  1. General Information
  2. Installation Information
  3. Warranty Information

1. General Information

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.

Roof Exposure Tables

PITCH Maximum exposure recommended for roofs
Length
No. 1 Blue Label No 2. Red Label No. 3 Black Label
 16″ 18″ 24″  16″ 18″ 24″  16″ 18″ 24″
3/12 to 4/12  3¾” 4½” 5¾”  3½” 4″ 5½”  3″ 3½” 5″
4/12 and steeper  5″ 5½” 7½”  4″ 4½” 6½”  3½” 4″ 5½”

2. Installation Information

Installation guides

Roofing Installation Video

3. Warranty Information

Manufacturer’s Lifetime Limited Warranty

Offered by Member Manufacturers of the Cedar Shake & Shingle Bureau (“CSSB”)

Warranty Submissions

For submission requirements see: Manufacturer’s Lifetime Limited Warranty.

Fraud Alert!

Download and read the fraud alert regarding manufacturer’s lifetime limited warranty.

Read Fraud Alert

Treated Products

Certi-Guard® Shakes & Shingles

Go to Section

  1. General Information
  2. Installation Information
  3. Warranty Information

1. General Information

Identification
The Certi-Guard® label identifies cedar shakes and shingles which have been pressure-impregnated with fire-retardant polymers to provide permanent fire protection.

Class B shakes and shingles are identified by their red Certi-Guard® label.

Class C shakes and shingles are identified by their blue Certi-Guard® label.

Class B and C labels must identify the treatment company, the independent testing laboratory, and the building code research number.

Class A wood roof systems can be attained with a component system. Check with the treatment company for installation details.

Material
Certi-Guard® is manufactured from Premium and Number 1 Grade Certi-Split® or Certi-Sawn® cedar shakes or Number 1 Grade Certigrade® cedar shingles.

Check with your local building official and fire official to ensure that the product meets local approval requirements. Treatment company application guidelines should be followed.  Ask the treatment company for installation instructions for Class A, B and C shake and shingle roof systems.

Test Standards: ASTM E-108, UL -790, NFPA-256, UBC Standard 15-2

INTERMITTENT-FLAME TEST
 Class
Flame Temperature
Flame ON minutes
Flame OFF minutes No. of Test Cycles
A
1400 +/- 50 F
2 2 15
 B
1400 +/- 50 F
2 2 8
C
1300 +/- 50 F
1 2 3

BURNING BRAND TEST
 Class
Brand Size
Brand Wood
No. of Brands
A
12″ by 12″ | 2¼” inches thick
Douglas Fir 2
 B
6″ by 6″ | 2¼” inches thick
Douglas Fir 2
C
1½” by 1½” |  25/32 inches thick
White Pine 20

RAIN TEST
 Class
Exposure
A, B, C
Twelve one week conditioning cycles of 96 hours of water exposure at a rate of 0.7 inches of water per hour, followed by 72 hours of drying time at 140 degrees F. This equates to 20 to 30 years of actual outdoor rain and wear.

*After the rain test and each weathering test period, the shakes and shingles are again subjected to the intermittent Flame, Burning-Brand and Flying Brand test.


SPREAD-OF-FLAME TEST
 Class
Flame Temperature
Flame Application
A
1400 +/- 50 F
10 minutes
 B
1400 +/- 50 F
10 minutes
C
1300 +/- 50 F
4 minutes

FLYING BRAND TEST
 Class
Flame Temperature
Flame Application
A
1400 +/- 50 F
10 minutes
 B
1400 +/- 50 F
10 minutes
C
1300 +/- 50 F
4 minutes

WEATHERING TEST
 Class
Exposure
Test Years
A, B, C
Actual outdoor weathering
1, 2, 3, 5, and 10

Manufacturers, inspectors, brokers, distributors, retailers, wholesalers, builders, architects, installers, and technicians have been assembling, recording, and distributing their knowledge of the wood roofing industry through the Cedar Shake & Shingle Bureau for over 89 years. This information is therefore provided as a service, and no warranty, express or implied, is given. The CSSB shall not be liable for any direct, indirect, incidental, or consequential damage in connection with the use of the material supplied on these pages.

2. Installation Information

Installation guides

Roofing Installation Video

3. Warranty Information

Manufacturer’s Lifetime Limited Warranty

Offered by Member Manufacturers of the Cedar Shake & Shingle Bureau (“CSSB”)

Warranty Submissions

For submission requirements see: Manufacturer’s Lifetime Limited Warranty.

Fraud Alert!

Download and read the fraud alert regarding manufacturer’s lifetime limited warranty.

Read Fraud Alert

 

Certi-Last® Shakes & Shingles

Go to Section

  1. General Information
  2. Installation Information
  3. Warranty Information

1. General Information

Identification
The Certi-Last® label identifies red cedar shakes and shingles which have been pressure-impregnated with wood preservatives in compliance with the American Wood Preservers Association (C34 Standard). Preservative retention, penetration, and assay sampling criteria shall be in accordance with the AWPA U107and/or CSA 0118.1 Standard.

Material
Certi-Last® products are manufactured using Certi-Split® cedar shakes, Certigrade® cedar shingles, and Certi-Sawn® cedar shakes. The product is sold under the Certi-Last® trademark when treated to the established standards.

Application
Shakes and shingles are applied according to standard specifications of the Cedar Shake & Shingle Bureau. The treatment company may have special requirements regarding flashings, fasteners, etc. Contact the treatment company for more details.

Click here for quick tips including disposal methods.

Recommended Use
Certi-Last® is recommended for use on roofs in areas having a climate index of more than 65 as identified in the USDA Forest Service Techline Durability Paper III -3.

  • Certi-label® cedar shakes and shingles are manufactured by members of the Cedar Shake & Shingle Bureau and are graded in accordance with UBC Standards No. 15-3 and 15-4 and/or CSA 0118.1.
  • Contact the treatment company for treatment warranty information, accessory product requirements (including recommended fastener types) and application details for treated cedar material.
  • 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

2. Installation Information

Installation guides

Roofing Installation Video

3. Warranty Information

Manufacturer’s Lifetime Limited Warranty

Offered by Member Manufacturers of the Cedar Shake & Shingle Bureau (“CSSB”)

Warranty Submissions

For submission requirements see: Manufacturer’s Lifetime Limited Warranty.

Fraud Alert!

Download and read the fraud alert regarding manufacturer’s lifetime limited warranty.

Read Fraud Alert