Originally used for its strength, practicality & durability, metal siding has become an architectural staple in both residential and commercial applications. And with the many different profiles available on the market today, metal siding panels are used in modern, traditional, and even industrial style designing. Working with the best General Contractors, GSM has been privileged to have its name and pride fastened to many various types of structures that utilize metal siding, representing strength and beauty all over Western Washington. And whether installing traditional corrugated siding on an old-restored barn or interlocking flush panels on a multi-level medical facility, General Sheet Metal has the skills and experience to give your wall system the longevity and architectural look it deserves. With a full range of local vendors and suppliers, you can count on GSM to be your one stop shop for all your custom metal siding needs. We are certified and recommended AEP-Span / ASC profile fabricators & installers. From our estimating & design team, to our fabricators & installers, GSM utilizes modern technology, tools and fabrication methods that meet or exceed SMACNA requirements, giving you a metal siding system that is rich in durability, utility & visual appearance. And unlike distributors that only carry generic light gauge shelf-stocked flashings, GSM specializes in producing custom fabricated flashings made from architectural grade steel, which aid in each siding systems specific aesthetic and utility requirements.