Crawl Space Encapsulation in Calhoun, GA

Calhoun sits on I-75 in Gordon County, in the river valley where the Oostanaula and Coosawattee come together. River-valley living means humidity and, in the low areas, a high water table — both of which a vented crawl space turns into a problem under your floor. The town's homes range from historic to new, and the crawl spaces under all of them are dealing with that valley moisture. Sealing the space, with no dehumidifier, is what keeps it dry.

NEW BUILD, BUILDER-MINIMUM

Why Calhoun homes Crawl Space Encapsulation

A vented crawl space pulls humid river-valley air in through the foundation, where it condenses on the cooler ground and framing under your floor. In the low areas near the rivers, the water table sits close to the surface, so the crawl space soil stays damp on its own. That combination feeds mold, rots joists, and soaks insulation — and the stack effect pulls the musty air up into the living space, making a damp crawl space a whole-house problem. A loose 6-mil sheet over wet valley ground does nothing against standing moisture and humidity together.

NEW HOMES AND BIG BUILDINGS 

Older homes, newer builds — both need sealing

Historic home or new build, a river-valley water table needs a real system — not a dehumidifier fighting a losing battle. Closed-cell spray foam on the walls and rim joists seals and insulates the perimeter in one step; a heavy 15–20 mil reinforced ground barrier, sealed and overlapped, drains water back to the ground; and the vents are sealed where mechanicals allow so the crawl space joins your home's conditioned envelope. Where the valley water table demands it, we add a sump pump so the system handles real water, not just humidity. The result is a dry, conditioned crawl space, warmer floors, and cleaner air — and no dehumidifier on the power bill.

By applying spray foam directly to the underside of the roof deck, it now insulates the attic space from the extreme heat that once radiated through the hot shingles, sheathing, and roof. The severe temperatures no longer exist in the attic. In short, the attic now becomes a passively "conditioned" space of the house that is just as comfortable as any other room in the home.

Benefits

A roof system insulated with Foametix spray foam reduces energy several ways. Energy loss from ducts located in the attic is essentially eliminated. The top of the building is much tighter resulting in less infiltration and exfiltration, so excess moisture isn't pulled into the attic. Infiltration through the ceiling is also reduced. In addition, the attic temperature is remarkably lower, which further reduces energy loads.

Energy Savings

  • Why don't you install a dehumidifier when other companies do?

    Because we actually seal the crawl space. We line the walls and rim joists with closed-cell spray foam — it's the insulation and the moisture-and-air barrier in one. Most companies don't run closed-cell foam, so they can't fully seal the space; they drop in a dehumidifier to manage the moisture they can't keep out. That's a bigger bill up front and an appliance running on your power for years. We're one of the only crews in Gordon County that truly seals it, so it stays dry on its own — no dehumidifier.

  • Is this more or less expensive than a dehumidifier system?

    Less, once you look past day one. Ours is a one-time seal with nothing to run — no dehumidifier on the power bill, no filters, no unit to replace in eight or ten years. Systems built around a dehumidifier usually cost more overall once you add the equipment, the electricity, and the upkeep.

  • My home is near the river — is the water table a problem?

    It can be, and we plan for it — where the valley water table runs high we add a sump pump alongside the foam and ground barrier, so the system handles real water, not just humidity.


  • Will it lower my energy bills?

    Yes. A sealed, conditioned crawl space stops your heated and cooled air from leaking into the ground and eases the load on your HVAC — which shows up on the power bill.

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