Difference between revisions of "Shingled Roofing Systems: Cedar Shakes & Shingles"
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Latest revision as of 14:13, 27 July 2021
| Accepted Materials for a RoofStar Guarantee
The tables and products shown below provide basic material data and links to more information about the materials, including manufacturers' published Technical Data sheets, but this information is not intended for use as a comparison of material performance or quality. It is the sole responsibility of the Design Authority to assess the performance capability and material suitability for specific design requirements. The materials listed are those which have been accepted by the RoofStar Guarantee Program (RCABC Guarantee Corp., or RGC) for use in a roof or grade-level waterproofing system that will qualify for a RoofStar Guarantee. The acceptance of these materials by the RGC (RoofStar Guarantee Program) in no way reflects on the quality or performance of other materials not listed. The materials and guideline specifications are listed under the name of the manufacturer and/or supplier of the primary membrane material, with the exception of BUR membranes for which the reader will find RoofStar Guarantee Program guidelines on traditional built-up roofing systems (BUR) incorporating organic and glass felt primary membranes. |
1 CEDAR SHAKE & SHINGLE BUREAU
Manufacturer: CEDAR SHAKE & SHINGLE BUREAU
Contact Address: See Membership List in Section 1.
Product Group: CEDAR SHINGLES & SHAKES
Country of Origin: Canada
DESCRIPTION
The roofing assembly / material information published in this Manual DO NOT represent a complete set of the manufacturer's published data, nor does it represent a detailed specification. The preparation of a detailed specification is the responsibility of the design authority.
- Cedar shingles conforming to CSA-0118.1-97 are for slopes 1:4 (3" in 12") or greater.
- Cedar shakes conforming to CSA-0118.1-97 are for slopes 1:3 (4" in 12") or greater.
All materials used under the CERTI-LABEL Program must be manufactured by a Canadian Member Company of the Cedar Shake and Shingle Bureau. Each bundle of material must bear the “Certi-labels” and be inspected by the independent inspection agencies approved by the Bureau. Materials and their applications are detailed in Sections 7.2.1, 7.2.2, 7.2.3 and 7.2.4 of the RGC Roofing Practices Manual.
SHINGLES
Although other materials are available, the only shingles acceptable for use under the RoofStar Guarantee Program are minimum No. 1 Grade (No. 2 Grade acceptable for starter course).
Product Description
- Certigrade® Red Cedar Shingles
NO. 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.
- Class B & C fire rating may be obtained by specifying Certi-Guard permanent fire retardant Certigrade shingles.
- Certi-Last CCA treated shingles are available for added longevity and come with a 30-year warranty against rot and fungal decay.
SHAKES
Although other materials are available, the only shakes acceptable for use under the RoofStar Guarantee Program are Premium or No. 1 Grade of straight-split, taper-split, hand-split and resawn or tapersawn.
Product Description
Certi-Split® Red Cedar Shakes
NO. 1 HANDSPLIT & RESAWN
- These shakes have split faces and sawn backs. Cedar logs are first cut into desired lengths. Blanks or boards of proper thickness are split and then run diagonally through a bandsaw to produce two tapered shakes from each blank.
NO. 1 TAPERSPLIT
- Produced largely by hand, using a sharp-bladed steel froe and a mallet. The natural shingle-like taper is achieved by reversing the block, end-for-end, with each split.
NO. 1 STRAIGHTSPLIT
- Produced by machine or in the same manner as tapersplit shakes except that, by splitting from the same end of the block, the shakes acquire the same thickness throughout.
NO. 1 CERTI-SAWN™
- These shakes are sawn both sides.
- Class B & C fire rating may be obtained by specifying Certi-Guard permanent fire retardant Certigrade shingles.
- Certi-Last CCA treated shingles are available for added longevity and come with a 30-year warranty against rot and fungal decay.
2 QUALITY AUDITING INSTITUTE
Manufacturer: QUALITY AUDITING INSTITUTE
Contact Address: see their website at http://www.qai.org
Product Group: CEDAR SHINGLES & SHAKES
Country of Origin: Canada
DESCRIPTION
The roofing assembly / material information published in the RCABC Roofing Practices Manual does NOT represent a complete set of the manufacturer's published data, nor does it represent a detailed specification. The preparation of a detailed specification is the responsibility of the design authority.
- 1.
- Cedar shingles conforming to CSA-0118.1-97 are for slopes 1:4 (3" in 12") or greater.
- Cedar shakes conforming to CSA-0118.1-97 are for slopes 1:3 (4" in 12") or greater.
- All materials used under the RoofStar Guarantee Program must be audited by a Standards Council of Canada accredited agency. Each bundle of material must bear the ‘QAI’ label identifying the type, grade and manufacturer of the product.
- Materials and their applications are detailed in Sections 7.2.1, 7.2.2, 7.2.3 and 7.2.4 of the RCABC Roofing Practices Manual.
- Class B & C fire rating may be obtained by specifying permanent fire retardant shingles.
- CCA treated shingles are available for added longevity against rot and fungal decay
SHINGLES
Although other materials are available, the only shingles acceptable for use under the RoofStar Guarantee Program are minimum No. 1 Grade (No. 2 Grade acceptable for starter course).
Product Description
- NO. 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.
SHAKES
Although other materials are available, the only shakes acceptable for use under the RoofStar Guarantee Program are Premium or No. 1 Grade of straight-split, taper-split, hand-split and resawn or tapersawn.
Product Description
- NO. 1 HANDSPLIT & RESAWN
- These shakes have split faces and sawn backs. Cedar logs are first cut into desired lengths. Blanks or boards of proper thickness are split and then run diagonally through a bandsaw to produce two tapered shakes from each blank.
- NO. 1 TAPERSPLIT
- Produced largely by hand, using a sharp-bladed steel froe and a mallet. The natural shingle-like taper is achieved by reversing the block, end-for-end, with each split.
- NO. 1 STRAIGHTSPLIT
- Produced by machine or in the same manner as taper-split shakes except that, by splitting from the same end of the block, the shakes acquire the same thickness throughout.
- NO. 1 TAPER-SAWN
- These shakes are sawn both sides.
3 UNDERWRITERS LABORATORIES, INC. / UNDERWRITERS’
Manufacturer: UNDERWRITERS LABORATORIES, INC. / UNDERWRITERS’
LABORATORIES OF CANADA
Contact Address: See Membership List in Section 1.
Product Group: CEDAR SHINGLES & SHAKES
Country of Origin: U.S.A. / Canada
DESCRIPTION
The roofing assembly / material information published in the RCABC Roofing Practices Manual does NOT represent a complete set of the manufacturer's published data, nor does it represent a detailed specification. The preparation of a detailed specification is the responsibility of the design authority.
- 1.
- Cedar shingles conforming to CSA-0118.1-97 are for slopes 1:4 (3" in 12") or greater.
- Cedar shakes conforming to CSA-0118.1-97 are for slopes 1:3 (4" in 12") or greater.
- All materials used under the RoofStar Guarantee Program must be audited by a Standards Council of Canada accredited agency. Each bundle of material must bear the ‘Underwriters Laboratories, Inc.’ label identifying the type, grade and manufacturer of the product.
- Materials and their applications are detailed in Sections 7.2.1, 7.2.2, 7.2.3 and 7.2.4 of the RCABC Roofing Practices Manual.
- Class B & C fire rating may be obtained by specifying permanent fire retardant shingles.
- CCA treated shingles are available for added longevity against rot and fungal decay.
SHINGLES
Although other materials are available, the only shingles acceptable for use under the RoofStar Guarantee Program are minimum No. 1 Grade (No. 2 Grade acceptable for starter course).
Product Description
- NO. 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.
SHAKES
Although other materials are available, the only shakes acceptable for use under the RoofStar Guarantee Program are Premium or No. 1 Grade of straight-split, taper-split, hand-split and resawn or tapersawn.
Product Description
- NO. 1 HANDSPLIT & RESAWN
- These shakes have split faces and sawn backs. Cedar logs are first cut into desired lengths. Blanks or boards of proper thickness are split and then run diagonally through a bandsaw to produce two tapered shakes from each blank.
- NO. 1 TAPERSPLIT
- Produced largely by hand, using a sharp-bladed steel froe and a mallet. The natural shingle-like taper is achieved by reversing the block, end-for-end, with each split.
- NO. 1 STRAIGHTSPLIT
- Produced by machine or in the same manner as taper-split shakes except that, by splitting from the same end of the block, the shakes acquire the same thickness throughout.
- NO. 1 TAPER-SAWN
- These shakes are sawn both sides.
