SBC 16” Sidewall Select White Cedar R&R Shingles - Natural Unfinished

16" Sidewall Select White Cedar R&R Shingles - Natural Unfinished by SBC Cedar are a timeless siding option that works with a wide variety of architectural styles. Available in both Kiln-Dried or Green options, these White Cedar shingles from SBC are stable, durable, and easy to install.
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Accentuate your home's appearance with 16" Sidewall Select White Cedar R&R Shingles - Natural Unfinished from SBC Cedar. This highly-resistant species resists decay and insects, making it ideal for exterior siding. R&R shingles by SBC Cedar are precisely squared and are graded on both sides for fast installation without compromising quality. The beauty and standard of the SBC Cedar Sidewall Select grade ensures your project will add to the aesthetic of your home. These Natural Unfinished White Cedar Shingles are available either in Kiln-Dried or Green options.

Features:
• Precision-cut for 2 parallel sides and a perfectly squared butt
• 15% wider than the industry standard, with a minimum width of 3-7/16"
• Shingles are reversible as they are graded on both sides.
• Knot-free on the exposed surface, up to six inches from the butt.
• Easy installation with an embossed nail line on every shingle
• White Cedar is highly resistant to mildew and decay
• Unfinished with no coating

Drying & Packing Details:
• Natural Kiln-Dried - routinely 5-6% moisture content, packaged in an R&R half box
• Natural Green - routinely 10-11% moisture content, packaged in a bundle & bound with a strap

SBC Sidewall Select AB Grade:
Sidewall Select AB grade allows no imperfections on the exposed surface. By blending Extra A and Clear B grades, Sidewall Select shingles area wider for a faster installation and better appearance. SBC cedar shingles are graded on both faces. SBC grade standards exceed CSA 0118.2-F08 (C2018).

SBC R&R Shingle Details:
Length: 16"
Grade: Sidewall Select AB
Side and Edge Cuts: Rebutted & Rejointed (R&R) - R&R shingles are trimmed for parallel edges with the butts sawn at right angles.
Drying: Kiln-Dried through dehumidification or Green
Exposure Options: 4"-5"
Width: Shingles can vary from 3-7/16" to 12"
Thickness: 3/8" at the butt to 1/16" at the tip
Use Area: Sidewall application only

Coverage Rates:
Shingles vary in the amount of completed coverage they will yield based on the width of exposure you choose. Exposure is the exposed surface of the shingle once installed. Shingles boxes will generally cover more area with a wider exposure.

Coverage Rates Chart

Estimating Cedar Shingles:
1. Measure the amount of square footage you have to cover.
2. Find the amount of coverage per box at your desired exposure using the chart above.
3. Divide the square footage of coverage needed by the square footage per box value from the chart.
Example: You wish to cover 200 square feet of sidewall using a 5" exposure. The chart shows that 5" exposure should yield 25 square feet of coverage per box. Divide 200 sf by 25, which results in 8 boxes needed.

Backing:
We recommend installing Mortairvent ventilation mat under SBC White Cedar Shingles in order to help maximize the life of your shingles.

Product Resources:
Technical Specifications - SBC Natural R&R Cedar Shingles
How to Install White Cedar Shingles
How to Maintain Cedar Shingle Siding
SBC Cedar Product Catalog

Specifications
More Information

Fastener Selection:
• Ensure the fasteners will penetrate the stiff sheathing by at least 1/2".
• The fasteners must be rust-resistant (hot-dip galvanized, aluminum, or stainless steel). Stainless steel offers the highest degree of corrosion resistance.
• For stainless steel fasteners, use Type 316 in locations within fifteen (15) miles of salt water. Type 304 stainless steel fasteners may be used in locations outside the salt water zone.
• Nails: Use ring shank nails with a blunt tip. The head should be a minimum of 7/32".
• Staples: the crown must be at least 7/16" wide.

Installation:
• Leave a gap of at least 1/8" between each shingle. Leave a larger space when the outside humidity level is high and/or when 2 wide shingles are installed side by side.
• SBC recommends leaving an air gap between your shingle siding and the under sheathing. This will help reduce moisture considerably, thus ensuring shingle durability. This gap can be made using either wood laths or a ventilation membrane.
• SBC shingles are graded on both sides, so either face may be used.
• The first row requires 2 layers of shingles. The first layer should cover the top of the foundation by at least 1". Apply the second layer 1/2" lower than the first. Make sure the joints between the two layers are not aligned. Shingles must not be in direct contact with the ground.
• Offset joints of successive courses by at least 1-1/2".

Fastener Application:
• Use 2 fasteners per shingle at about 3/4" on each side and 1" above the base of the preceding course.
• For shingles of over 8" wide, use 2 additional fasteners driven 1" apart near shingle center.
• When using air tools, adjust the pressure to ensure fasteners are flush with the shingle.

Finishing:
• White Cedar works well with a variety of finishes, including Bleaching Oils, Solid stains, Semi-Transparent stains, and Translucent stains.
• The wood's surface must be clean before staining. Let the surface dry for at least 2 days after cleaning.
• Choose a period without rain when the temperature is between 50°F and 86°F for staining. Avoid application in direct sunlight.
• Always test stain on a small, inconspicuous area first.

Reviews
Product Questions

Product Questions

  • How much wetter are the Air-Dried shingles in the bundle versus the Kiln-Dried shingles in the box?

    On August 7, 2026, we tested a variety of the shingles we have on hand from both types with our moisture meter.  Within that small sample size, we found that the Kiln-Dried shingles averaged 5%-6% moisture content at the shingle butt end, the thickest point on the shingle.  The Air-Dried shingles we tested averaged 10%-11% moisture content at the butt end.  We consider both results to indicate very low moisture content.  These findings should not be considered a warranty standard on the part of the manufacturer, but instead a snapshot of test results at a particular time & place.

  • How many squares are in each box?

    While the 16" SBC White Cedar R&R Shingles can be set at several different exposures which can extend or lower the amount of coverage in the box, they can generally be considered to cover (4) boxes of shingles per square.