Serving WA • OR • ID • MT • AK — MG products also in Canada
Call us: 360-703-2960
Territory • WA

Roofing & Building-Envelope Rep Group in Washington — Commercial & Residential

MG Sales represents commercial and residential building-envelope manufacturers across Washington — Seattle, Tacoma, Spokane, Vancouver, and statewide — with distributor development, contractor training, and job-site product support.

Coverage

What We Do in Washington

  • Distributor branch coverage and counter-day training in Seattle, Tacoma, Spokane, Vancouver, and statewide.
  • Contractor product demos and installation training through MG University.
  • Job-site support for active projects — details, troubleshooting, and product selection.
  • Architect and consultant spec support for low-slope roofing and building-envelope assemblies.
  • Full line card availability: sealants, membranes, coatings, laminated metal, prefab flashings, and MG-manufactured products.
Why It Matters Here

Built for Washington Weather

Puget Sound roofs live under 150+ days of rain a year. Our portfolio is curated for wet-weather performance: leak control that works in the rain (Flash Dam), sealants formulated for damp surfaces (Chem Link), coatings and membranes proven on Northwest low-slope roofs, and the training to install them right the first time.

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FAQ

Washington Questions We Hear Most

Coverage varies by line. Contact us at tony@mgbuildingsupply.com or 360-703-2960 and we'll point you to the nearest stocking branch for the product you need.
Yes. Job-site product support is core to what we do — details, mock-ups, troubleshooting, and crew training on active projects.
Absolutely. Counter days, distributor training, and contractor lunch & learns are scheduled through MG University. Ask us for available dates.
That's our specialty. From Flash Dam leak control to damp-surface sealants, our line card is built around installing and repairing in Northwest conditions.

Working a project in Washington?

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