We are a trusted welding and metal fabrication company proudly serving Alton, NH. Homeowners and businesses in Alton, NH rely on Impact Welding for great customer service and a quality product.
Alton, NH is home to many industries we serve, such as residential construction, property management, and ornamental iron.

We offer handrails in steel, stainless steel, and aluminum. We provide many different styles of handrail as well. Ornamental, hand forged, ADA-compliant rails, industrial pipe rails, modern/minimalist rails just to name a few.
Another product that we specialize in is stairs. A few examples of the types of stairs we offer include: metal pan stairs, industrial grating stairs, mono stringer stairs, spiral staircases

We provide professional mobile aluminum welding services throughout Alton, NH and surrounding areas. Our services include: On-site repairs and fabrication for trailers, truck bodies, docks, marine components, equipment, structural aluminum, and custom projects.

We offer custom aluminum fabrication in Alton, NH for residential and commercial projects. Aluminum can be a great option for fabricated parts due to its excellent corrosion resistance and lightweight characteristics. Some examples of custom aluminum fabrication in Alton, NH we offer are: Loading docks, awnings, handrails, custom parts/weldments, brackets, frames, etc.

We handle everything from beam and column installation to on-site welding and structural modifications, delivering strong, reliable results that keep your project moving forward.




Alton, New Hampshire is a small town in Belknap County perched at the southern tip of Lake Winnipesaukee in New Hampshire’s scenic Lakes Region. It has a close‑knit, relaxed vibe and is known for its waterfront recreation, including boating, swimming, and lakeside views at Alton Bay. Alton features many residences with custom ornamental handrails, gates, and stairs. Aluminum marine fabrications are another popular request due to the relation to Lake Winnipesaukee. If you are in or around the Alton/ Lake Winnipesaukee region, and have a project in mind, give us a call!
Please reach us at tyler@impactweldingnh.com if you cannot find the answer to your question.
Upon Inquiry, we will review the project and what is necessary to complete it. We will communicate with our vendors and suppliers and ask (you) the customer detailed questions throughout. Shortly after, you will receive a quote and lead time. Once the quote has been approved, the job goes into the schedule!
Yes, Impact Welding is fully insured to take on most all commercial projects
Impact Welding does not weld automotive parts or components
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