Cedar Shingles
Metal Shingles
Colonial Brown
Aged Copper
Aged Copper Texture
Metal Cedar Shingles
Burien, WA
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Seattle Metal Roofing

Welcome to Best Roof

The official Interlock Metal Roofing System installation company in Washington State.

Interlock Industries, Inc. has installed thousands of metal roofs over four decades all across Washington. We are one of the largest installers of residential metal roofing systems in the Pacific Northwest. 

Your home is one of your most valuable investments. Interlock® Metal Roofing Systems will help you protect it for a lifetime. When you choose Interlock, you get the best of everything – the best installation, products, warranty, and on the spot financing.

GuildQuality Member
Seattle’s Best Roof

Interlock® Metal Roofing Systems

Choose from five durable aluminum roofing profiles including: Slate, Cedar Shingle, ShakeMediterranean Tile, and Mechanical-Lock Standing Seam. All profiles are available in Solid Copper. With the addition of solar brackets, all our roofing systems are solar compatible .

The Last Roof You Will Ever Need


What our customers are saying

  • Lifetime Limited Warranty
  • Energy Star® Rated
  • CRRC – Cool Roof Rating Council Rated
  • Energy Star® Rated
  • Curbside Appeal
  • Wind and Hail Resistant
  • Low Maintenance
  • Lightweight
  • Superior Strength / Durability
  • Protected by Alunar® Coating System embedded with TEFLON™ Surface Protector
  • Non-combustible “Class A” Fire Rated available
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Proudly Serving the Pacific Northwest
Interlock Lifetime Roofing Systems
State Contractor License No.

WA INTERII020LC / OR 130826

Interlock Roofing Job Sign