Typically eighteen to twenty-five years, but tree cover, ventilation quality and how quickly moss is dealt with move that number more than the shingle brand does. A well-ventilated roof in the sun that gets cleaned every couple of years will outlast a shaded, poorly ventilated roof of the same product by years.

We install the major North American shingle systems and recommend based on your roof, your budget and the warranty structure you want. We name the specific product going on your roof in the written quote, so you can compare it against any other bid line for line.

On a house you intend to keep, yes. Architectural shingles are heavier, handle wind better and carry longer warranties, and the price difference is modest relative to the total project.

Blue-green algae, extremely common across the Puget Sound region. It is primarily cosmetic on its own, but it indicates the surface stays damp — which is the same condition that grows moss, and moss is not cosmetic.