Crawl Space Repair and Moisture Control Services
Inspection, sealing, waterproofing, drying, insulation and structural repair. Search, filter by family or open any service.

Inspection and Diagnostics
Full inspections, moisture and mold testing, thermal imaging, structural and pest checks, radon testing and written estimates.
Crawl Space Inspection and AssessmentA thorough look under your house, with photos, readings and a clear action plan.See the service
Moisture and Humidity TestingReal numbers for humidity in the air and moisture in the wood, so decisions are based on data.See the service
Mold Testing and Air QualityFind out whether mold is growing under the house and how much of it reaches the air you breathe.See the service
Thermal Imaging and Leak DetectionA thermal camera shows cold spots, wet insulation and hidden leaks without tearing anything open.See the service
Structural Damage AssessmentSagging floors, soft wood and cracked piers, checked and explained before anyone starts cutting.See the service
Pest and Rodent InspectionSigns of rodents, insects and entry points, found and photographed with a plan to close them.See the service
Radon and Soil Gas TestingTest for radon and learn whether the soil beneath your home sends gas up into the living space.See the service
Repair Estimates and ProposalsA written proposal that lists the work, the order, the materials and the timeline in plain language.See the service Encapsulation and Vapor Barriers
Encapsulation, vapor barriers, vent sealing, wall liners, seam and pier sealing, barrier repair, access doors and air sealing.
Crawl Space EncapsulationSeal the floor, walls and vents so ground moisture and outside air stay out of the space under your home.See the service
Vapor Barrier InstallationA heavy, reinforced vapor barrier laid across the floor and sealed at every seam and pier.See the service
Foundation Vent SealingOpen vents let humid air and pests in. Sealing them is a key step in drying the space.See the service
Crawl Space Wall LinersLiner on the foundation walls blocks moisture that comes through block and concrete.See the service
Seam and Pier SealingTape, overlap and detail work that makes a crawl space liner actually airtight.See the service
Vapor Barrier Repair and ReplacementTorn, thin or bunched plastic fixed or replaced with a heavy-duty barrier that lasts.See the service
Access Doors and HatchesA new sealed, insulated door keeps weather and pests out and still lets you in.See the service
Crawl Space Air Sealing and ConditioningSeal the leaks at the rim and the floor, then control the air in the space on purpose.See the service Waterproofing and Drainage
Waterproofing, sump pumps, battery backups, interior drains, French drains, standing water removal and gutter and grading fixes.
Crawl Space WaterproofingKeep liquid water out of the space with drainage, a sump and a barrier that work together.See the service
Sump Pump InstallationA properly sized pump in a proper basin, with a discharge line that carries water far from the house.See the service
Battery Backup Sump PumpsA second pump with its own battery, so water still leaves when the power goes out in a storm.See the service
Interior Drainage SystemsA perforated drain along the footing collects water before it can spread across the floor.See the service
Crawl Space French DrainsA drain in the yard that intercepts water before it reaches the foundation.See the service
Standing Water RemovalPump out the water, dry the space and find out where it came from so it does not come back.See the service
Gutter, Downspout and Grading FixesSend roof water away from the house, and the crawl space gets a lot drier.See the service
Sump Pump Repair and ReplacementA pump that cycles constantly, makes noise or no longer runs needs fixing before the next storm.See the service Dehumidification and Air
Dehumidifiers, mold remediation and prevention, odor removal, cleaning, humidity monitoring and maintenance plans.
Crawl Space Dehumidifier InstallationA dehumidifier made for crawl spaces, sized to the space and set to drain on its own.See the service
Dehumidifier Repair and ReplacementA unit that has stopped drying, freezes up or leaks gets diagnosed and either fixed or swapped.See the service
Mold RemediationContained, careful removal of mold from joists and subfloor, followed by drying and sealing the cause.See the service
Mold Prevention TreatmentsA protective coating on clean wood helps keep mold from taking hold again.See the service
Musty Odor RemovalFind the source of the smell, fix it and clear the air, instead of covering it up.See the service
Crawl Space Cleaning and Debris RemovalClear out old insulation, trash and leftovers so the space is clean enough to treat and seal.See the service
Humidity Monitoring SystemsA small sensor that watches the crawl space and tells you when humidity drifts, before it becomes a problem.See the service
Crawl Space Maintenance PlansScheduled check-ups that keep a sealed crawl space dry, clean and working.See the service Insulation and Energy
Wall, floor, spray foam and rigid board insulation, removal and replacement, duct sealing, pipe protection and energy upgrades.
Crawl Space Wall InsulationInsulate the foundation walls instead of the floor and bring the crawl space inside the home's comfort zone.See the service
Floor Insulation and Underfloor InsulationInsulation between the floor joists, installed so it stays put and does its job.See the service
Spray Foam InsulationClosed-cell spray foam seals and insulates in one step on walls and rim joists.See the service
Rigid Foam Board InsulationCut-to-fit foam boards on walls and in gaps, a clean and durable insulation option.See the service
Insulation Removal and ReplacementOut with wet, fallen or contaminated insulation, in with materials that fit the space.See the service
Duct Sealing and InsulationLeaky, uninsulated ducts under the house waste energy and sweat. We seal and wrap them.See the service
Pipe Insulation and Freeze ProtectionWrap and protect water lines so cold snaps do not burst pipes under your house.See the service
Energy Efficiency UpgradesCrawl space fixes that cut drafts, steady your floors and reduce wasted energy.See the service Structure and Repair
Joist sistering, sagging floors and jacks, rot repair, sill and beam repair, piers, foundation walls and pest damage and exclusion.
Floor Joist Repair and SisteringNew lumber fastened alongside a cracked or weakened joist to restore its strength.See the service
Sagging Floor Repair and Support JacksAdjustable steel jack posts on solid footings lift and hold sagging floors in place.See the service
Wood Rot RepairCut out the soft wood, fix the moisture and fit new lumber so the rot does not come back.See the service
Sill Plate and Beam RepairReplace or reinforce the wood that sits on the foundation and carries the weight of your home.See the service
Support Pier InstallationNew concrete piers and steel posts to carry beams and replace failing blocks.See the service
Crawl Space Foundation Wall RepairCracked or bowing block and concrete walls, repaired from inside the crawl space.See the service
Pest Damage RepairReplace the wood and materials that termites, ants and rodents have damaged.See the service
Pest Exclusion and Rodent ProofingSeal the gaps that let rodents and insects in, with materials they cannot chew through.See the service No service matches that search. Try a shorter word, or call 800-207-0499.
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