Commercial Flat Roofing

Serving Whatcom, Skagit, Snohomish, San Juan, and Island counties, Topside Roofing & Siding is a full-service commercial roofing contractor performing all aspects of roofing with skill and unmatched quality workmanship. Our team of installers and inside support personnel has successfully performed all phases of roofing for commercial customers with unparalleled expertise, using only top-quality products. Our long list of local satisfied customers is a testimony to our roofing company's work ethic and integrity.

By using products such as TPO, EPDM, modified bitumen, and all brands and styles of shingles, we can ensure you have a high-quality, leak-proof roof over your business. Serving Whatcom, Skagit, Snohomish, San Juan, and Island counties, we specialize in installing standard commercial roofing systems that save money and protect your building from the climate for decades.