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Products & Services
Basement Repair Services & Products
WaterGuard Interior System
DryTrak Drainage Channel
TrenchDrain Drain Grate
IceGuard Discharge Line
FlexiSpan Wall Crack Repair
Polyurethane Crack Sealing
WellDuct Window Drainage
BrightWall Waterproof Panels
ThermalDry Wall Barrier
Basement To Beautiful Pre-finishing Wall Insulation Panels
Drain Tile Installation
SuperSump Pump System
TripleSafe Pumping System
UltraSump Battery Back Up
Sanidry Dehumidifier

Crawl Space Repair Services & Products
CleanSpace Encapsulation Vapor Barriers And Liners
Turtl Access Hatch
EverLast Crawl Space Doors
Sanidry Csb Dehumidifier
SmartDrain Water Drainage
SilverGlo Wall Insulation
TerraBlock Floor Insulation
SmartSump Sump Pump
Crawl-o-Sphere Crawl Space Fan
WallCap Block Wall Sealer
SmartVent Flood Vents

Foundation Repair Services & Products
Push Pier Underpinning For Settlement, Foundation Leveling, Sinking Foundation Repair
Geo-lock Wall Anchors
Geo-lock Helical Anchors
PowerBrace Bowed Wall Repair
CarbonArmor Fiber Wall Repair
SmartJack Crawl Space Support
Slab Pier Repair
PolyLevel Concrete Lifting
EZ Post Deck Repair
Shotcrete Wall Restoration

Company Awards
Inc. 5000 List
Comfenergy 3 Pros Basement Systems has earned the rank of 2701 on the 2020 Inc. 5000 list of the fastest-growing... [Read more]
More Awards

Dependable Crawl Space Repair & Basement Waterproofing Company in Dunn Loring, VA

Happy Customers Surrounding Dunn Loring, VA

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Crawl Space & Basement Waterproofing Company in Dunn Loring

Virginia's experienced Basement Systems contractors

Don't let a wet basement or crawl space drive you crazy, cause more damage, lower indoor air quality, or deplete the value of your home. Get in touch with 3 Pros Basement Systems for comprehensive basement waterproofing and crawl space repair solutions you can trust.

Say goodbye to sagging, leaky, or overflowing gutters!

Gutters make a difference in the value, beauty, and safety of your home. 3 Pros Basement Systems offers gutter guards.

Basement Systems® Services

  • Perimeter drainage systems
  • Doorway drainage systems
  • Sump pumps
  • Waterproof wall and floor products
  • Wall and floor crack repairs
  • Replacement windows
  • Water heater flood protection
  • Frozen discharge line prevention

CleanSpace® Crawl Space Services

  • Crawl space encapsulation
  • Crawl space insulation
  • Crawl space vapor barriers
  • Crawl space access doors
  • Crawl space vent covers
  • Crawl space sump pumps & dehumidifiers
  • Crawl space drainage systems
Case Studies From Dunn Loring
This homeowner was having trouble controlling moisture leaks in his walls which were not only damaging to the structure of the home, but were also...
Job Stories From Dunn Loring, VA
Workmanship Counts, Even When Buried


The 3 Pros team provides quality service, even when it is buried and cannot be seen by the customer. Some installers miss, or cheat, the final important steps in successfully sealing and conditioning a space. The do not complete the unseen work, and there can actually be gaps and holes under the improperly installed insulation. We have fixed examples where air sealing was thought to have been done by a competitor, only for the customer to come to us when their home comfort issues persisted. We have found that the air sealing completed by our competitors is sometimes done within a small radius of the crawl space entryway, and then none elsewhere, thus not fully fixing the orginal problem.

"Things that are good are seldom cheap. Things that are cheap are seldom good." Check out this tight, high-quality comprehensive insulation by the 3 Pros team. The spray foam is compact, air-tight, and neatly insulates the entire space, not just the entryway. 

Workmanship Counts, Even When Buried - Photo 1Workmanship Counts, Even When Buried - Photo 2Workmanship Counts, Even When Buried - Photo 3Workmanship Counts, Even When Buried - Photo 4
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