How long does an asphalt shingle roof last in the Pacific Northwest?

Most standard asphalt roofs last between 15 and 25 years. However, persistent rain, fallen fir needles, and dense winter shade can shorten that lifespan. If your roof is approaching the 20-year mark, having it checked helps you plan a replacement before an emergency leak starts during a winter storm.

By |2026-10-06T15:07:54-07:00October 6, 2026||Comments Off on How long does an asphalt shingle roof last in the Pacific Northwest?

Why does walking on my roof feel spongy or springy?

A spongy, bouncy feeling means water has leaked past the shingles and rotted the plywood decking underneath. When decking rots, it loses its structural strength and can sag under foot traffic. A simple patch will not fix this; the damaged shingles and rotted wood boards must be torn off and replaced.

By |2026-10-06T15:07:35-07:00October 6, 2026||Comments Off on Why does walking on my roof feel spongy or springy?

Can I replace just a few blown-off shingles instead of the whole roof?

Yes, as long as the surrounding roof is still in good shape and the wood deck beneath is dry. However, if shingles are blowing off across several sections of your home, the factory adhesive strips on the rest of the roof are likely failing, which usually means it is time for [...]

By |2026-10-06T15:07:16-07:00October 6, 2026||Comments Off on Can I replace just a few blown-off shingles instead of the whole roof?

What does it mean if my gutters are full of black sand or grit?

Those small stones are protective granules that shield the asphalt from the sun and rain. Finding a few granules in gutters is normal on a brand-new roof, but regular buildup from an older roof means your shingles are drying out. Once the granules wash away, bare asphalt cracks quickly under UV [...]

By |2026-10-06T15:06:56-07:00October 6, 2026||Comments Off on What does it mean if my gutters are full of black sand or grit?

Why is moss so damaging to roofs in the Portland area?

Moss holds onto rain like a wet sponge directly against your shingles. As it grows thicker, it forces its way under the edges and lifts them up. During cold snaps, trapped water freezes and expands, breaking the glue seal that keeps your shingles flat and allowing driving rain to blow straight [...]

By |2026-10-06T15:06:39-07:00October 6, 2026||Comments Off on Why is moss so damaging to roofs in the Portland area?