The Cedar Perfection Shingles 18″ #1 is a wood shakes & shingles from Manufacturer Varies By Location for exact-match material ordering. Match manufacturer model/MPN SI1P1840. This variant is sold as BD with SKU CEDWRC1PCCAT18. Perfection Shingles are ideal for sidewall or roofing projects.

Key Specs

• Brand: Manufacturer Varies By Location
• Model / MPN: SI1P1840
• SKU: CEDWRC1PCCAT18
• Sell unit: BD
• Product type: Wood Shakes & Shingles
• Category: Residential Roofing | Residential Roofing/Wood Shakes & Shingles

Key Features

• Max Single Course Sidewall 7.5″, max Roof Exposure 5.5″
• The term Perfection refers to all red and yellow cedar shingles that are 18″, in length, in all grades.
• Grades: Number 1, Number 2, Number 3

Coverage & How Much You Need

Confirm coverage/yield from the manufacturer instructions and job takeoff before ordering.

Compatibility / Fitment

Use only with compatible systems and installation conditions specified by the manufacturer.

FAQs

What exactly am I ordering?

Cedar Perfection Shingles 18″ #1, sold as BD, SKU CEDWRC1PCCAT18, manufacturer model/MPN SI1P1840.

What unit is the price based on?

The price is for the BD sell unit.

What should I match before ordering?

Match brand, model/MPN where available, size/color, sell unit, and the project specification.

Can this be substituted?

Treat this as an exact-match building material selection; hold for review before substituting a different model, color, size, or system family.

How do I estimate quantity?

Use the project takeoff plus manufacturer installation instructions, including waste, overlap, and accessory requirements.

Follow manufacturer instructions, OSHA-safe work practices, local code, and project specifications.

Product Expert Notes

Choose this variant when Manufacturer Varies By Location, SKU CEDWRC1PCCAT18, BD sell unit, and MPN SI1P1840 match the job requirement.