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Northwest XL | Roof Conversion Options
Certi-Split Shakes
Handsplit and Resawn Shakes
This high quality shake features a rough split face and sawn back. Popular on traditional, ranch, historical and vacation homes or non-residential structures designed to blend with the natural and/or rustic surroundings.
Premium Grade
Recommended Use - For walls and roofs 4:12 pitch and steeper and where a premium quality product is needed or desired. The 100% edge grain requirement exceeds the national industry standard.
Description - Lengths 18-inch and 24-inch; width 4" minimum, 14" maximum; thickness 1/2" (medium) and 3/4" (heavy). Clear heartwood; 100% edgegrain; no defects.
Roof Exposure - 7 1/2" for 18-inch shakes; 10" for 24-inch shakes.
Wall Exposure -Single course: 8 1/2" for 18-inch shake; 11 1/2" for 24-inch shake. Double course: 14' for 18-inch shake; 18" for 24-inch shake.
Number One Grade
Recommended Use-For walls and roofs 4:12 pitch and steeper where a high quality appearance and performance are desired.
Description-Lengths 18-inch, thickness 1/2" (medium) and 3/4" (heavy) minimums; length 24-inch, thickness 3/8", 1/2" (medium) and 3/4" (heavy) minimums. Width 4" minimum and 14" maximum. Clear heartwood; 20% maximum flat grain.
Roof Exposure- 18-inch shakes- 7 1/2" maximum; 24-inch medium and heavy shakes- 10" maximum; 24-inch (3/8") shakes-7 1/2" maximum (5" per UBC).
Wall Exposure-Single course: 8 1/2" for 18-inch shake; 11 1/2 " for 24- inch shake. Double course: 14" for 18-inch shake; 18" for 24-inch shake.
Certi-Sawn
Tapersawn Cedar Shakes
A Certi-Sawn Red Cedar Shake falls between a sawn shingle and a split shake. Both surfaces are sawn but are not as precisely manufactured as shingles. Taper sawn shakes have thicker butts, and this present a more textured appearance. For use on roofs and sidewalls.
Premium Grade
Description - Same as Number 1 Grade; 100% edge grain. All other descriptions from Number 1 Grade apply.
Number One Grade
Description - Lengths 18-inch, 24-inch; width 4" minimum, 14" maximum; thickness 5/8" nominal (5/8", 3/4", 7/8", yet uniform in each bundle or pallet).
Roof Exposure - 10" for 24-inch shake; 7 1/2" for 18-inch shake.
Wall Exposure - Single course: 11 1/2" for 24-inch shake; 8 1/2" for 18-inch shake.
Double course: 18" for 24-inch shake: 14" for 18-inch shake.
Recommended Use - For walls or roofs on 4:12 pitch and steeper where a high quality, durable and uniform appearance is desired.
Starter-finish Course - Length 15-inch. For use on the underlying starter course at eave lines and for the final course at ridges where trimming would otherwise be necessary and full-length are not needed.
Number Two Grade
Description - Lengths 18-inch, 24-inch; width 3" minimum, 14" maximum; two thickness- 1/2" to 3/4", 3/4" to 1 1/4" (yet uniform in each bundle or pallet).* Lower half of face is clear. Flat and cross grain allowed. Tight knots and other limited defects allowed in top half of shake.
Roof Exposure - 7 1/2" for 24-inch shake; 5 1/2" for 18-inch shake.
Wall Exposure - Single course: 10" for 24-inch shake; 7 1/2" for 18-inch shake.
Double course: 11 1/2" for 24-inch shake; 8 1/2 " for 18-inch shake.
Recommended Use - For walls or roofs 4:12 pitch and steeper and where good quality appearance is desired.
Note: Sample pieces or photographs of shingles may not accurately represent the true color level or variations of color blends that will appear on the roof. Before installation, five or six shingles should be laid out and reviewed for conformity to the desired color level. If the color levels are unsatisfactory, advise Cedar Roofs Only before proceeding with the installation. Colors and specifications subject to change without notice. "3M" is a trademark of 3M. Limited warrantees carry terms and conditions. Contact Cedar Roofs Only for more information.
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