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    Average homeowner rating
  • Verified reviews icon25
    Verified welding services reviews

Top-Rated Welders in Rockville - Updated Nov 2026

Avatar for Virginia Home Remodel, LLC
Virginia Home Remodel, LLC
5.0(
17
)
Steel Beams (Structural) - Install

Serving Rockville, MD and surrounding areas

Approved

In business since 2015

Free estimates

Customers say: True professional

"This company was the absolute best! David and EVERY crew member was professional, kind and knowledgeable. Recessed lights, countertops, ceiling fans and new kitchen floor were installed quickly and perfectly! I will recommend to everyone and use them again in the future. I trusted them completely and their work was done better than I imagined! It was my pleasure to have them in my home!"
Response time6 hrs
Response rate97%
71 neighbors recently requested a quote
Avatar for Kilver Welding
Kilver Welding
5.0(
1
)
Metal Structure or Object - Weld or Cut

Serving Rockville, MD and surrounding areas

Approved

In business since 2012

Free estimates

Small jobs welcome

"I own a small business and needed someone to help me with a trailer door. I hired Mr. Kilver, and I was very satisfied with his work, he was responsible, respectful, and clearly very experienced. I highly recommend him without hesitation."
Hand rails
Hand rails
Hand rails
Hand rails
Hand rails

+3

2 neighbors recently requested a quote
Avatar for Blue Rock Remodeling, Inc.
Blue Rock Remodeling, Inc.
4.5(
16
)
Steel Beams (Structural) - Install

Serving Rockville, MD and surrounding areas

Approved

In business since 2010

Free estimates

Emergency services offered

"I had an exceptional experience with Blue Rock. Their design expertise was evident throughout the project, delivering outstanding results that exceeded our expectations. The attention to detail showcased their commitment to quality workmanship. Moreover, their communication skills and attentive listening to our needs ensured seamless collaboration, making the entire kitchen remodeling process enjoyable. Without a doubt, I highly recommend this contractor for their outstanding services and professionalism. A top-notch choice for any project!"
Bathroom renovation Olney
Bathroom Renovation
Stairs
Front porch Rockville
Stairs

+5

Response time7 hrs
Response rate98%
Recommended by92%of homeowners
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Welding FAQs, answered by experts

The cost to weld aluminum averages about $14 to $22 per pound. The type of metal factors into the overall cost of any welding project due to the cost of the materials and the expertise required to work with it. Some of the most common metals used by welders include:

  • Magnesium alloy: $7–$16 per pound

  • Low-carbon steel: $11–$12 per pound

  • Stainless steel: $13–$15 per pound

  • Copper/brass: $24–$29 per pound

  • Cast iron: $38–$79 per pound

  • Titanium: $60–$85 per pound

Cutting round ductwork requires precision and the right tools. A duct cutter, specifically designed for circular ducts, is ideal. First, mark the cutting line on the duct using a measuring tape and pencil. Then, position the duct cutter's blade on the marked line. Apply steady pressure, rotating the cutter around the duct. The sharp blade creates a clean, precise cut. Alternatively, a reciprocating saw with a metal-cutting blade can be used for larger round ducts. Ensure the duct is securely held in place while making the cut to prevent slips and maintain accuracy.

Welding is the process of using extreme heat—and, sometimes, pressure—to attach two pieces of metal. In contrast, metal fabrication is a more involved process that can include welding, sheet metal work, bending, and other forms of metal manipulation. Metal fabrication is a large-scale project that may or may not involve welding, while welding is more often a step in larger fabrication projects.

Cutting rectangular ductwork requires careful measurements and the right technique. Use a measuring tape and pencil to mark the cutting lines accurately. Tin snips are excellent for straight cuts on smaller ducts. For more extensive or thicker rectangular ducts, a reciprocating saw with a metal-cutting blade is effective. 

Ensure the duct is well-supported and secure while cutting to prevent wobbling and maintain precision. After cutting, use a metal file to smooth any sharp edges, ensuring safety during installation. 

The average cost for a welding project is about $300, with typical costs ranging from $125 to $490. However, prices can be as low as $125 for very small jobs or exceed $1,200 for large or complex projects. Welders typically charge an hourly rate between $65 and $150, depending on their experience, and many charge a minimum fee to cover overhead and travel expenses. The total cost is influenced by several factors, including labor, the cost of materials like metal rods and shielding gas, the type of metal being welded, the project's size and complexity, and your geographic location. For a precise quote, it's best to ask a local welder for an estimate based on your specific project.

The Rockville, MD homeowners’ guide to welding services

From average costs to expert advice, get all the answers you need to get your job done.