Beaverton sits in the Tualatin Valley, 7 miles west of Portland, right in Washington County’s wet zone. Long, soaking storms define life here. Roofs face heavy rainfall, high humidity, and moss growth that never seems to quit. After a rainy winter, small issues can turn into roof leaks, dry rot, and sagging roof decks. A local roofing contractor in Beaverton, OR can catch these problems early and prevent costly damage.
What winter rain exposes on Beaverton roofs
The Pacific Northwest climate loads roofs with water and organic debris. Valley gutters clog with needles and leaves. Standing water wicks under shingles. Flashing at chimneys and walls loosens. Once water finds a path, it spreads fast along underlayment and plywood sheathing. Interior ceiling stains near bathrooms, skylights, or around the chimney often point to failed flashing or wet roof decking.
Granule loss shows up in downspouts and gutters after big storms. Granules protect asphalt shingles from UV and heat. If you see a heavy buildup, the shingles are aging or the roof is taking a beating from wind and rain. Missing shingles or lifted tabs are common on ridgelines and along eaves. On older homes in Central Beaverton and Highland, look for sagging roof decks where long-term moisture softened the plywood.
Thick moss growth is a signature Beaverton problem. It pushes up shingle edges, holds moisture, and leads to dry rot in the fascia board and along the drip edge. Algae staining appears as dark streaks, especially on the north and east slopes that stay shaded. These symptoms are typical after months of storms.
The short list of high-risk trouble spots
- Step flashing at sidewalls and chimneys, especially near skylight installation edges and chimney crickets Roof valleys where debris piles up and traps water Ridge vents and soffit vents that are blocked, cutting off airflow and driving condensation Drip edge and fascia board where ice and water collect, causing dry rot and paint failure Low-slope areas with TPO or PVC membrane where seams and terminations can open
Why Beaverton homes need a system, not just shingles
A roof works as a complete assembly. Shingles protect. Underlayment and ice and water shield stop wind-driven rain. Flashing redirects water at every change in plane. Proper intake and exhaust are critical. Without balanced soffit and ridge vents, moisture builds inside the attic. That leads to mold on the roof decking and early shingle failure.
Klaus Roofing Systems of Oregon installs high-quality step flashing and ice and water shield underlayment in leak-prone areas. The crew reinforces drip edges to shed water clear of the fascia. The team pays attention to plywood sheathing nailing patterns and fastener placement on metal panels and architectural shingles. This approach reduces callbacks and gives Beaverton homeowners a dry, durable roof.
Local context that affects material choices
Beaverton’s location in the “Silicon Forest” means heavy commuter traffic, tree-lined streets, and neighborhoods that range from mid-century to new construction. Central Beaverton, Vose, and Raleigh West have many older roofs with three-tab shingles and aging ventilation. Cooper Mountain, Murray Hill, Sexton Mountain, and Greenway sit higher, with more wind exposure and larger roofs. Aloha and West Slope often have mature trees that feed moss and clog gutters. Homes near Tualatin Hills Nature Park see persistent shade and moisture. Properties by Cedar Hills Crossing and Beaverton City Library sit https://pub-1e9a3ab35d21420997aca56be773e93c.r2.dev/roof-repair/roofing-contractor.html in busy corridors where airborne debris builds up.
This mix calls for algae-resistant shingles, strong underlayment, and reliable gutter installation with gutter guards. Rain management is as important as shingle selection. Oversized downspouts, tight miters, and clean valley transitions handle the volume of water typical in Washington County.
Materials that stand up to Pacific Northwest weather
Homeowners often ask what brands last in Beaverton’s rain. Klaus Roofing Systems of Oregon installs GAF Timberline HDZ, CertainTeed Landmark, Owens Corning, and IKO shingles. For high-end performance, Malarkey Roofing Products are a standout. They are a PNW manufacturer, and their rubberized asphalt shingles flex in cool, wet weather. Malarkey shingles with Scotchgard Protector help fight algae streaks that show up across the Tualatin Valley. On steep slopes, architectural shingles offer wind resistance and richer curb appeal than three-tab shingles. For modern builds or accent roofs, standing seam metal roofing sheds water fast and holds up well. Flat sections can use TPO or PVC membrane with proper edge metal and terminations. Solar attic fans can support airflow on complex rooflines. Rain chains offer a style upgrade but still need correct sizing for real storm events.
What homeowners notice after winter — and what it means
Interior stains often start small. A faint brown halo near a can light or around a skylight trim signals a leak. In many cases, the fix means replacing cracked flashing and adding ice and water shield around penetrations. Persistent attic musty smells indicate poor ventilation or a slow leak soaking the roof decking. Moss blankets along the north slope mean standing moisture and risk of shingle lift. Clogged gutters create backflow under the drip edge that rots fascia boards.
Wind damage shows as creased or missing shingles, often on the west-facing slope. Granule loss in gutters points to aging shingles or hail impact. If the ridge line looks wavy, check for a sagging roof deck. That usually means long-term moisture or undersized spans on older plywood sheathing.
Beaverton-specific service snapshot
Klaus Roofing Systems of Oregon is a roofing contractor in Beaverton, OR, serving the zip codes 97005, 97006, 97007, 97008, 97075, 97076, and 97077. Crews are often working near Tualatin Hills Nature Park, Cedar Hills Crossing, Nike World Headquarters, the Patricia Reser Center for the Arts, Jenkins Estate, and the Beaverton City Library. The company provides roof inspection, roof repair, roof replacement, residential roofing, commercial roofing, skylight installation, gutter installation, and gutter guards. The team also responds to roof leaks and emergency tarping after wind events across Hillsboro, Tigard, Aloha, Portland, Lake Oswego, Tualatin, and West Linn.
Proudly providing roof inspections for homeowners in the 97007 and 97008 area codes, the team handles historic homes in Central Beaverton and large estates on Cooper Mountain with roofing contractor Beaverton OR equal care.
What a thorough post-winter roof inspection includes
A 21-point roof inspection checks shingle condition, flashing at all penetrations, ridge and soffit venting, underlayment exposure, and the state of plywood sheathing at eaves and valleys. It includes the chimney cricket, step flashing at sidewalls, pipe boots, skylight curbs, and all drip edges. Inspectors look for dry rot at the fascia board, granule loss patterns, moss growth thickness, algae staining, and clogged gutters. The attic gets a moisture check to spot condensation or a sagging roof deck.
If repairs are needed, the roofer replaces damaged underlayment, reinstalls step flashing, and upgrades to ice and water shield in leak-prone zones. If replacement is due, the company recommends architectural shingles with algae resistance, balanced ventilation, and upgraded ridge vents.
The Klaus Roofing Way on installation day
Crews protect landscaping, set safety lines, and remove existing materials down to the roof decking. They replace soft or water-stained plywood sheathing. They install synthetic underlayment across the field and an ice and water shield at eaves, valleys, and around skylights and chimneys. New drip edge and metal flashing go in before shingles. They use starter strips, align courses cleanly, and set ridge vents for strong airflow. For flat sections, they weld seams on TPO or PVC membrane and add proper edge metal. Gutter installation follows with sealed corners and sized downspouts. Gutter guards reduce debris load in valley gutters and along tree lines.
Simple homeowner checks between storms
- Walk the perimeter and scan for missing shingles or lifted tabs Look for granules in gutters and at downspouts after heavy rain Check soffits and ceilings for fresh water stains Note heavy moss patches, especially on the north and east slopes Confirm gutters flow freely and rain chains discharge away from the foundation
If you see any of these signs, a quick call to a roofing contractor in Beaverton, OR prevents small issues from spreading.
Brand and material options that fit Beaverton homes
Klaus Roofing Systems of Oregon offers GAF Timberline HDZ and CertainTeed Landmark shingles for reliable performance and style. Owens Corning and IKO provide strong value choices. For higher-end builds or homeowners who want a local PNW product, Malarkey’s rubberized asphalt shingles are engineered for Oregon’s rain and temperature swings. High-luxury options such as DaVinci Roofscapes, Tesla Solar Roof, and Brava Roof Tile are available for specific design goals and budgets. Standing seam metal roofing suits accent sections and long runs. Architectural shingles outperform three-tab shingles in wind and lifespan, which matters on open exposures in Sexton Mountain, Murray Hill, and West Slope.
Trust signals that matter in Washington County
Klaus Roofing Systems of Oregon is fully licensed with the Oregon CCB, bonded and insured, and follows Washington County building codes. The company offers free roofing estimates, a moss removal guarantee, and emergency tarping after wind damage or missing shingles. Ask about algae-resistant shingles and stronger warranties tied to system installs. The team follows the Klaus Roofing System standards so intake and exhaust ventilation, drip edge details, and flashing work together as a unit.
Service page quick view
Trusted Roofing Contractor in Beaverton, OR | Klaus Roofing Systems
Meta: Need a reliable roofing contractor in Beaverton, OR? Klaus Roofing Systems specializes in roof repair and replacement with high-quality materials. Call for a free estimate.
Beaverton’s Choice for Durable, Weather-Proof Roofing

Is Your Beaverton Roof Ready for the Next Big Storm?
Moss and algae growth can lift shingles and lead to wood rot. Granule loss in gutters signals aging shingles and UV risk. Interior ceiling stains near chimneys or vents often point to failing flashing or compromised underlayment.
Premium Materials from GAF, CertainTeed, and Malarkey
We offer algae-resistant and impact-rated shingles for Willamette Valley conditions.
Serving Washington County Families for Years
From Central Beaverton to Murray Hill and Sexton Mountain, our team understands local architecture and zoning. Whether you commute near Nike HQ or live in 97006, you get local expertise you can trust.
The Klaus Roofing System: More Than Just Shingles
A complete system with soffit and ridge vents, reinforced drip edges, and detailed flashing keeps water away from the fascia and roof deck.
Why Choose a Local Beaverton Roofing Expert?
Oregon CCB licensed. Moss prevention options. Lifetime workmanship coverage on many installs.
Call for a focused, local inspection
Get a no-obligation, 21-point roof inspection and a detailed estimate for your Beaverton home. Klaus Roofing Systems of Oregon serves Beaverton, Aloha, Hillsboro, Tigard, Lake Oswego, Tualatin, West Linn, and nearby Portland. For homeowners near Nike World Headquarters, the Patricia Reser Center for the Arts, and Cedar Hills Crossing, crews are nearby and ready. Schedule a visit with a trusted roofing contractor in Beaverton, OR and protect your roof before the next storm.
Klaus Roofing Systems of Oregon
3922 W 1st Ave, Eugene, OR 97402