Seattle, WA
Drywall, Insulation, Acoustical Tiles, and Steel Framing
GTS Interior Supply – Seattle
9830 40th Avenue South
Seattle, WA, 98118
PH: 206-723-7403
FX: 206-725-4949
Hours: 6:30 am – 3:00 pm M-F
Washington Construction Products Supplier – GTS Interior Supply
GTS Interior Supply, a GMS Company, is your trusted source for construction materials in Seattle, WA, as well as commercial and residential building supplies throughout the Pacific Northwest via our yard locations in Washington, Oregon, Idaho, Montana, and Alaska.
For Seattle’s Best Building Materials – Trust the Best
GTS Interior Supply serves Washington construction customers in Seattle and surrounding areas like Shoreline, Mercer Island, Issaquah, and Tukwila. Our building supply yard on 40th Avenue South offers a diverse inventory that includes:
- Access doors
- Acoustical ceiling tiles
- Air & moisture protection
- Caulking & adhesives
- Concrete
- Door fabrication
- Drywall
- EIFS & stucco
- FRP
- Fasteners
- Firestop
- Flooring
- Insulation
- Joint treatments
- Lumber
- Safety
- Steel studs & tracks
- Surface protection
- Tools
Your Seattle, WA, Drywall Source
At GTS Interior Supply, we work hard to provide Washington’s best drywall options, for types I-V construction uses. Our Seattle, WA, yard offers a wide range of standard drywall, glass-mat panels, and specialty products including:
- Regular & Type X
- Impact resistant
- Tile backer
- Shaftwall liner
- Fire-rated drywall
- Moisture- and mold-resistant drywall
- Non-paper faced
Ask our expert staff and let them help you select the right drywall materials for your Washington State construction project needs.
Top Steel Products & Metal Framing in Washington
GTS Interior Supply offers one of the largest in-stock inventories of steel framing, steel studs, track systems, and steel accessories in Washington State. We partner with leading steel manufacturers like CEMCO™, ClarkDietrich®, and Simpson Strong-Tie® to bring you top-rated products.
We offer inclusive manufacturer support for all our products, so you can have full confidence when you buy steel from GTS Interior Supply in Seattle. Steel and all other building materials from GTS can be delivered straight to your commercial or residential jobsite.
Seattle’s Finest Ceiling Tile Selection
Visit our 40th Avenue South construction yard in Seattle, WA, where you can browse our inventory of ceiling tiles. GTS Interior Supply is a proud distributor of quality Armstrong® acoustical tiles, including specialty acoustical products such as:
- Angled tegular
- Beveled tegular
- Molding and trim
- Reverse tegular
- Square lay-in
- Square tegular
- Vector
Shop for ceiling tiles in Seattle at GTS Interior Supply and let our experts help you find exactly the right acoustical products for your WA building projects.
Buying Insulation in Washington State
GTS Interior Supply is one of the top providers of insulation supplies for commercial and residential building projects across Washington and the Pacific Northwest. For insulation projects of any size, GTS Interior Supply has what you need to get the job done right. We offer a full range of quality insulation solutions in Seattle, WA, for both interior and exterior applications, including:
- Batt insulation
- Rigid foam board insulation
- Loose-fill and blown-in insulation
- Rigid fiber insulation
Our products come from the best insulation brands—manufacturers like CertainTeed®, Johns Manville, Owens Corning® and Rockwool®. Let our experienced staff help you choose the proper insulation for your specific jobsite requirements, including the correct R-value.
From Our Yard to Your Job
Building in Seattle, WA? Our staff of experts bring decades of combined experience in the construction industry to help our customers find the exact products they need.
Let GTS Interior Supply on 40th Avenue South in Seattle be your number one resource for Washington building materials. Our yards across the Pacific Northwest offer a large in-stock selection of products that are ready for immediate pickup. We also offer delivery to your jobsite, on time, with full stock and scatter service.
Builders in Seattle, WA – Trust GTS Interior Supply
In need of drywall, steel, acoustical ceiling tile, insulation, or other building tools and accessories in Washington State? GTS Interior Supply in Seattle, WA, is your source for local construction supplies from the building industry’s best manufacturers.