Expansive clay movement
Marine clays in parts of Northern Virginia swell when wet and shrink in drought, cracking walls and slabs.
Structural Foundation Crack RepairSoutheast & Gulf Coast · VA
Basement waterproofing in Virginia
Humid summers and moderate winters, with tropical-storm rain in late summer and fall. Northern Virginia and the Piedmont have clay soils, some of them expansive; Tidewater is flat coastal plain with high groundwater; the western mountains are colder and steeper.
Free referral · Virginia
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What kinds of foundations do homes in Virginia have?
Northern Virginia suburbs are full of block and poured basements, many with walkouts; Hampton Roads homes are mostly on slabs or crawl spaces; Richmond and older towns have brick foundations and crawl spaces.
What basement and foundation problems are most common in Virginia?
Tidewater crawl spaces
High humidity and shallow groundwater keep crawl spaces wet around Norfolk and Virginia Beach.
Crawl Space EncapsulationWalkout and window-well leaks
Hillside lots funnel water to window wells and the uphill wall.
Window Well Leak RepairWhich Virginia cities have local guides?
Which parts of Virginia are covered?
- Virginia Beach
- Norfolk
- Chesapeake
- Richmond
- Arlington
- Alexandria
- Roanoke
What do Virginia homeowners ask most?
What license should a Virginia basement contractor have?
A Board for Contractors license from DPOR, in the class that matches the job value. Class C covers smaller jobs; larger projects need Class B or A.
Why is my Northern Virginia foundation cracking?
Some Northern Virginia soils contain shrink-swell marine clay. Seasonal moisture changes move the soil and the foundation with it. Keeping moisture around the house consistent and an engineer's assessment come before repairs.
Where can I verify this information about Virginia?
- 1USDA Natural Resources Conservation Service: Web Soil SurveyLook up soil drainage class and shrink-swell potential for any lot in Virginia.
- 2FEMA: Flood Map Service CenterCheck whether a property in Virginia is in a mapped flood zone before finishing a basement.
- 3U.S. Environmental Protection Agency: MoldGuidance on moisture control and keeping indoor humidity low to prevent mold.
- 4NOAA National Centers for Environmental Information: U.S. Climate NormalsAverage precipitation, snowfall and temperatures for weather stations near Virginia.
- 5Federal Trade Commission: Hiring a ContractorWhat to check before hiring: licensing, insurance, written estimates and payment terms.
Wet basement or cracked foundation in Virginia?
By calling, you agree to be connected with an independent waterproofing contractor, who may call or text you back about your request at the number you call from. Calls may be recorded for quality and routing. Consent is not a condition of any purchase; you can opt out at any time, and message and data rates may apply. Privacy policy.