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50+ Years
experience
Emergency
services
Your Trusted Partner for Commercial Roofing Solutions
Since 1921, McDonald & Wetle has been dedicated to serving the commercial roofing needs of Pacific Northwest businesses. Founded by Jim McDonald and Roy Wetle, our company has navigated economic challenges and industry evolution while maintaining core principles of employee welfare and customer relationships. With over 90 years of experience, we offer comprehensive solutions including built-up, eco-green, solar, and slate tile roofing systems.

Our family-owned business prioritizes quality materials from trusted brands like Malarkey Roofing Products, Firestone, and Johns Manville. We specialize in tailored roofing systems for diverse commercial and industrial projects, backed by a commitment to safety, sustainability, and long-term client partnerships.
Services
Built Up Roofing Composition Roofing Eco Green Roofing Solar Roofing Roof Waterproofing Single Ply Roofing Slate Tile Roofing Commercial Roofing Industrial Roofing Historic Roofing
Details
  • Year established: 1921
Highlights and features
  • We have over 90 years of experience in commercial roofing
  • Our full-service team handles projects of all sizes and complexities
  • We offer 12+ roofing system options including eco-green and solar solutions
  • We provide 24-hour emergency leak repair services
  • Our family-owned business maintains long-standing industry relationships
Services
Built Up Roofing
Our built-up roofing systems provide durable, cost-effective solutions for flat and low-slope commercial roofs. Using multiple layers of bitumen and ply sheets, this time-tested system offers excellent waterproofing and UV protection. Ideal for industrial buildings and warehouses requiring reliable, long-lasting roof coverage.
Eco Green Roofing
Eco green roofing solutions combine environmental sustainability with functional benefits. These living roofs feature vegetation layers that improve insulation, reduce stormwater runoff, and enhance urban biodiversity. Perfect for businesses seeking LEED certification or eco-conscious building upgrades in Portland and Seattle.
Solar Roofing
Our solar roofing integration provides energy-efficient solutions that reduce utility costs and environmental impact. We install photovoltaic systems compatible with various roof types, ensuring optimal energy production while maintaining structural integrity and weather resistance for commercial properties.
Roof Waterproofing
Professional roof waterproofing services protect buildings from water damage through advanced membrane systems and sealants. Our experts apply liquid coatings, sheet membranes, and flashing solutions to create complete waterproof barriers for flat roofs, plazas, and critical building junctions.
Commercial Roofing
Full-service commercial roofing covers installation, repair, and maintenance for businesses of all sizes. From historic buildings to modern high-rises, we deliver customized solutions using premium materials and proven techniques to ensure long-term performance and code compliance.
Questions
What types of commercial roofing systems do you offer?
We offer built-up roofing, single-ply membranes, eco-green roofs, solar roofing, composition shingles, clay tiles, and natural slate tiles for commercial applications.
How long has McDonald & Wetle been in business?
We've served the Pacific Northwest since 1921, providing commercial roofing solutions for over 100 years as a family-owned company.
Do you provide emergency roof repair services?
Yes, we offer 24-hour emergency leak repair services for commercial properties in Portland and Seattle metro areas.
What areas do you service?
We primarily serve Portland, Oregon and Seattle, Washington metro areas including surrounding counties and commercial districts.
Are you a licensed roofing contractor?
Yes, we hold Oregon CCB# 44680 and Washington license MCDONWR944DW for commercial roofing operations.
Can you handle historic building roof restoration?
Yes, our team specializes in historic roofing solutions including slate tile restoration and period-appropriate material matching.
Reviews (1)
Ruth K.
Jul 03, 2020 Report
Really disturbing that when a racist employee was reported to management t they tried to silence instead of taking action against him. Avoid this place at all costs!