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ProSeal Basement Systems

Free Estimate
4963 Dovetail Ave.
Billings, MT 59106
Mon-Fri 8:00am-6:00pm
Sat 10:00am-3:00pm
In business since 2007

ProSeal Basement Systems is a basement waterproofing contractor, located in Billings, Montana. They specialize in wet basement repair, crawl space repair, and crawl space insulation. They are committed to helping their neighbors in the community find the best solutions to their basement waterproofing, crawl space insulation, and repair problems!

As an authorized Basement Systems contractor, customers choose us for:

  • Reliable Service From Our Experienced Team
  • Written, Transferable Warranties
  • Free Inspection & Estimates


  • Crack Repair we can fix wall and foundation cracks with proven repair solutions
  • Basement Waterproofing keeps water out of your basement with our proven products and expert service
  • Crawl Space Encapsulation learn why more homeowners choose our patented CleanSpace system

Products Installed

  • Self-Draining Dehumidifier
  • Drainage Systems
  • Sump Pumps
  • Downspout Extensions
  • Vapor Barrier
  • SilverGlo┬« Rigid Foam Insulation
  • And More!

Service Area:

ProSeal Basement Systems provides basement & crawl space waterproofing services to Big Horn, Blaine, Carbon, Custer, Fergus, Garfield, Golden Valley, Judith Basin, Meagher, Musselshell, Park, Petroleum, Phillips, Rosebud, Stillwater, Sweet Grass, Treasure, Wheatland, Yellowstone, Montana and Big Horn, Park, and Sheridan, Wyoming.

Check out highly-rated reviews in Montana! Explore the photo gallery to visually understand the process of improving homes in the service area! Call today to schedule your free estimate and inspection!

Basement Waterproofing Crawl Space Repair
By Michael Q.
By Dona L.
"Dan has been a Godsent for me on more than one occasion,..."
By Pat C.
"Dynamo Service Phil and the boys. Worked around our..."
By Susan M.
Dean L.
Sheridan, WY
These guys are the pros!
Ann E.
Hardin, MT
Prompt, professional and kept to their quote.
Scott D.
Hardin, MT
Thank you
ProSeal Basement Systems Before & After
  • Foundation Waterproofing in Hysham, MT
    Foundation Waterproofing in Hysham, MT

    Foundation Waterproofing in Hysham, MT

  • Crack Repair Billings, MT
    Crack Repair Billings, MT

    Crack Repair Billings, MT

  • Foundation Waterproofing in Billings, MT
    Foundation Waterproofing in Billings, MT

    Foundation Waterproofing in Billings, MT

  • Leaky Crack Repair in Billings, MT
    Leaky Crack Repair in Billings, MT

    Leaky Crack Repair in Billings, MT

    This homeowner had a crack in their foundation that was leaking water into their crawlspace. Our Team came out to repair the crack so it stopped the leaking and is no longer a threat to the home.

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