We are a premier roofing company and contractor serving the Nashua, NH, area. For the best roofing, siding, and other home improvements and repairs, you won’t find a better team than Sirois Contracting.
We approach every residential and commercial project with a commitment to excellence. All our customers deserve our best work, which is why we always use the highest quality materials and never cut corners, no matter how big or small the job.
We have over 30 years of experience working in the Nashua area. Sirois Contracting is a veteran-owned business that is committed to delivering the best quality, service, and reliability that all our clients expect and deserve.
We’re more than just a roofing company. We also install siding, new windows, and skylights and build and rebuild decks. Check out all our services below.
We use the highest quality materials for roof repair and new roof installation. We are a top-rated roofing company in Nashua, NH, for both residential and commercial projects.
Protect and improve the look of your home with new siding. Get a quote for your preferred siding material or learn more about the available options.
Windows change how your home looks inside and out. Improve the energy efficiency of your home and let the light in with new replacement windows.
Add a new deck or rebuild your existing deck and enjoy the outdoors in comfort. Change how you experience your property and the outdoors by adding a new deck or porch to your home.
Transform your home with light by installing skylights. Our trusted and reliable team can install skylights in your home so you can enjoy the view without having to worry about leaks or drafts.
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“Awesome service! Randy is amazing at his job!”
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“Awesome!! Randy roofed a shed for me in 2 hours!!! Looks great and was a pleasure doing business with him.”
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