Not a PDF. Search the portfolio by brand, product, problem, or region. Represented lines cover WA, OR, ID, MT & AK; MG-manufactured products also ship to Canada.
High-performance, moisture-cured sealants, adhesives, and seal systems for pro roofing and construction applications. A SOPREMA Group company, made in the USA.
Key products: M-1 Structural Sealant/Adhesive, NovaLink & DuraLink joint sealants, ChemCurb & E-Curb penetration seal systems, roof repair tapes.
Available in: WAORIDMTAK
Professional-grade building materials: SBS and APP-modified bitumen, PVC membranes, PMMA/PMA liquid-applied membranes, high-temp underlayments for residential steep-slope roofs, air & vapor barriers, and accessories.
Key products: Modified bitumen systems, LASTOBOND underlayments, liquid-applied membranes, air/vapor barriers.
Available in: WAORIDMTAK
Silicone and acrylic roof coating and roof maintenance systems for restoration, life extension, and reflectivity on low-slope commercial roofs.
Key products: Silicone roof coatings, acrylic roof coatings, roof maintenance & repair products.
Available in: WAORIDMTAK
Laminated metal line with TPO and PVC lamination for single-ply roof edge details — weld membrane directly to metal for watertight terminations.
Key products: TPO- and PVC-laminated sheet, drip edge, gravel stop, and metal accessories.
Available in: WAORIDMTAK
Hand-welded TPO and PVC prefabricated flashing accessories, CNC-cut and made in Oregon. Custom sizes for any protrusion or detail.
Key products: Pipe boots & cones, corners, pitch pans (6″/9″/12″ & custom), scuppers, drains, square wraps, ventilation.
Available in: WAORIDMTAK
The instant temporary water dam. Powder forms a watertight ridge on contact with water — control active roof leaks even on wet surfaces, even in the rain.
Key products: Flash Dam instant water dam powder.
Available in: WAORIDMTAKCanada
Rapid mud solidification. Broadcast across saturated ground to stabilize soil 2″ deep with full stabilization in about one hour.
Key products: Terra-Flash soil stabilizer, 1-gallon broadcast bucket.
Available in: WAORIDMTAKCanada
Semi-self-leveling compound that slopes roofing curbs to the field of the roof, minimizing ponding-water locations without tearing into the roof system.
Key products: Curb Slope semi-self-leveling curb compound.
Available in: WAORIDMTAKCanada
AI-powered customer relationship management built for building-products sales teams. An iOS app from MG Building Supply — launching on the Apple App Store August 2026, with beta access open now.
Key products: Sill CRM iOS app — AI-assisted contact, account, and sales-strategy management.
Available in: WAORIDMTAKCanada
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