Duro-Last Commercial Roofing Contractor Seattle Bellevue Snohomish WA

There are a lot of brands and a lot of minor differences. We typically recommend Certainteed brand or Malarkey brand shingles. Both are manufactured in the NW for our area and offer strong warranties. Weight is not as important as it used to be but things like algae and moss inhibitors are. Both of these brands use copper coated granules in the shingles to inhibit algae growth and slow moss. Nothing will stop moss completely but this gives you a nice leg up on your roof maintenance.

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