Commercial Composition Roof Replacement | Portland, Tigard & Lake Oswego
Commercial Composition Roof Replacement
Malarkey & CertainTeed Shingle Systems with SBS-Modified Asphalt & Smog-Reducing Granules
Pacific West Roofing has been installing commercial composition shingle roofing systems for over 45 years.
We use premium materials from Malarkey and CertainTeed to provide long-lasting performance, curb appeal, and Class A fire resistance for office buildings, multi-family units, and institutional properties throughout the Portland Metro Area.
Our crews are certified, experienced, and trained to complete tear-offs and replacements with minimal disruption to your business.
Commercial Composition Roofing Pros & Cons
Pros
- Cost-effective for sloped or multi-unit rooflines
- Available in a wide range of colors and profiles
- Class A fire-rated and impact-resistant (Class 3–4)
- SBS-modified asphalt increases durability and flexibility
- Smog-reducing granules (Malarkey) for sustainability points
Cons
- Shorter lifespan than metal or membrane roofing
- More maintenance required over time
- Prone to moss buildup in shaded locations
- Not ideal for flat or low-slope commercial roofs
Why Pacific West Roofing?
- Certified by both Malarkey Roofing Products and CertainTeed
- BBB Accredited | Members of WSRCA and Associated Roofing Contractors of Oregon
- 21-point inspection protocol and detailed jobsite documentation
- Fully licensed, bonded, and insured (CCB# 169414)
- Trusted by 35,000+ homeowners and businesses across Portland, Tigard, Beaverton, and beyond
Considering composition shingles for your commercial building?
We can help you compare systems, evaluate warranty options, and get a detailed quote. Serving Portland, West Linn, Tualatin, and Happy Valley.
Pacific West Roofing Blog
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