Our stock Western Red Cedar Pressure Treated Tapersawn Shakes are marketed under the name, Certi-Last. 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. This product is ideal in areas where humidity, dampness and/or shade is a concern. Contact the treatment company for treatment warranty information, accessory product requirements (including recommended fastener types) and application details for treated cedar material. Western Red Cedar Tapersawn Shakes / Shingles, Pressure Treated, ⅝ in. x 18 in.
Once Western Cedar shakes and shingles are pressure-impregnated treated you must contact the treatment company to determine if a finish, such as paint or stain or cleaning solution/agent, is allowable
Confirm product labels required for warranty registration BEFORE purchasing product. Ensure warranty registration details are listed on purchase order
18 in. long shake is ⅝ in. thick at the butt end
Premium Grade is the highest quality in the industry
Manufacturer's Warranty available - Warranty terms will vary between manufacturers