Certigrade® Blue label product – MACHINE GROOVED #1 18″ R&R Shingles

Rebutted/Rejointed Shingles are manufactured specifically for exterior and interior wall surface uses. They are a low maintenance product that adds beauty, texture, durability and insulating qualities to either new construction or remodeling and renovation of existing structures. Rebutted/Rejointed Shingles Appearance Manufactured from Number 1 Grade Blue Label red cedar shingles, trimmed for parallel edges with butts sawn at right angles. Available in both sawn and sanded face textures. Length 18-inch; width 4″ minimum; thickness on 18-inch is 5/2″ (5 butts together measure 2″ thick). Clear heartwood: 100% edge grain; no defects.

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Toll Free: 1-877-850-1767

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Recommended Use

For exterior and interior walls where a premium quality product is desired.


  • 5″ exposure = 36 sq/ft per/box
  • 6″ exposure = 43 sq/ft per/box
  • 7″ exposure = 50 sq/ft per/box
  • 8″ exposure = 57 sq/ft per/box (Maximum Single Course exposure)
  • 9″ exposure = 64 sq/ft per/box (Double Course required)
  • 10″ exposure = 72 sq/ft per/box (Double Course required)
  • 11″ exposure = 79 sq/ft per/box (Double Course required)
  • 12″ exposure = 86 sq/ft per/box (Double Course required)
  • 13″ exposure = 93 sq/ft per/box (Double Course required)
  • 14″ exposure = 100 sq/ft per/box (Maximum Double Course exposure)

Please order an additional 5%-10% to provide for waste, starter courses, and cuts.

Note: Prices are subject to change without notice. Shipping quoted separately.


Request samples of your favourite grades.


  • Semi-Transparent Stain
    1 or 2 Coat Solid Stain
    Weathering Stain
    Clear Bleaching Oil
    MaxSealer® Stain