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.
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.
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 [...]
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 [...]
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 [...]
Managing multiple exterior improvements takes organized planning and direct communication. Our team guides your project from the initial on-site estimate through the final walkthrough, coordinating material deliveries and scheduling each trade, from siding and windows to roofing and paint. We keep you informed throughout the work and account for factors like [...]
Yes. Sister Siding handles a wide variety of exterior improvements, including siding replacement, roofing, window and door installation, decking, and painting. Combining multiple projects under one contractor helps streamline your remodel, keeps different installation phases coordinated, and ensures every part of your exterior works together to protect your building. Our team [...]
Yes. When stripping away old siding or roofing materials, our crews inspect the plywood sheathing and wall framing for moisture damage. If hidden rot is found, we review the repair requirements with you and replace the affected wood before installing new materials.
Yes. We deliver exterior remodeling, siding replacements, and exterior maintenance for both residential homes and commercial buildings across all of our service communities.
No. Whether your building is located in Portland, Salem, Forest Grove, or right here in Newberg, our on-site consultations and detailed project walkthroughs are always complimentary and come with no obligation.
