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Serving Charleston, SC and surrounding areas. (843) 459-1691
If your upstairs rooms never cool down and your energy bills keep climbing, gaps in your home's thermal envelope are likely the cause. Open-cell spray foam seals those gaps completely.
Open-cell foam insulation in Charleston expands to fill every gap and crack in your attic, walls, or crawl space, creating a continuous air seal that stops heat and humid outdoor air from sneaking inside - most jobs take one day or less depending on the area being covered.
Unlike fiberglass batts that sit between studs and leave gaps around wires and pipes, spray foam conforms to any shape it touches. That matters a lot in Charleston, where the combination of long summers and high humidity means even small gaps cost real money in cooling. If your home already has some insulation that is not performing, pairing open-cell foam with air sealing services can close the remaining pathways that batts miss.
Many Charleston homeowners notice the difference within their first full summer after installation - rooms stay closer to the thermostat setting and the AC cycles less often.
If rooms directly under the roof feel noticeably warmer than the rest of the house during Charleston summers, your attic insulation is failing to block the heat radiating down from the roof. This is one of the most common complaints from local homeowners, and it usually means gaps or settled insulation. Open-cell foam applied to the roof deck can dramatically close that temperature gap.
If your electricity bill from June through September feels out of proportion to your home's size and you have not added new appliances, poor insulation is one of the first places to look. Charleston's long cooling season means even a modest improvement in how well your home holds conditioned air translates into real savings. Creeping bills without a clear explanation are a reliable signal to have your insulation evaluated.
Hold your hand near an electrical outlet or light switch on an exterior wall on a hot day. If you feel warm air seeping in, your wall insulation has gaps that let outside air bypass whatever is there. This is especially common in Charleston homes built between the 1960s and 1980s, when air sealing was rarely part of the original construction process.
Charleston's humidity means warm, moist outdoor air finding its way into a cooler interior will condense on surfaces - sometimes visibly, sometimes as a persistent musty smell. If you notice this in your attic, crawl space, or along exterior walls, gaps in your home's envelope are letting humid air in. Properly installed foam that also seals air movement can help break that cycle before it leads to mold or wood damage.
We install open-cell spray foam in attics, wall cavities, and crawl spaces throughout the Charleston area. Attic application - spraying onto the underside of the roof deck - is our most requested service because it addresses the single biggest source of heat gain in most Lowcountry homes. For homes where wall cavities are accessible during a renovation, we spray open-cell foam into the walls as well, giving you continuous coverage from the roof to the floor. When a denser, waterproof product is a better fit for below-grade or flood-prone areas, we offer closed-cell foam insulation as an alternative.
For buildings where spray foam is not the right fit - such as rental properties or budget-conscious projects - we also handle commercial insulation using blown-in and rigid board materials. We will walk you through the options that make sense for your specific space and budget before any work begins.
Best suited for homeowners who want to eliminate the superheated attic that drives up cooling bills during Charleston's long summer.
Ideal for renovations where wall cavities are open and you want to upgrade insulation while you have access.
Works well in elevated crawl spaces with good moisture control - we assess flood history before recommending this option.
A full-envelope approach that pairs spray foam with targeted air sealing for homeowners who want the best possible result.
Charleston averages more than 200 days a year above 70 degrees, and summer attic temperatures regularly climb past 130 degrees. That kind of heat means your air conditioner is fighting against a superheated attic all day long, and any gap in your insulation is a direct path for that heat to pour into your living space. Open-cell foam applied to the underside of the roof deck turns your attic into a conditioned space - meaning it stays much closer to the temperature inside your home, which takes a real load off your cooling system. Homeowners in James Island and other low-lying neighborhoods also benefit from foam's ability to seal out the persistent ground moisture that vented crawl spaces let in.
Charleston's older housing stock adds another layer of complexity. A significant portion of homes on the peninsula were built before modern insulation standards, with irregular framing and unusual roof geometries that standard batts cannot fully cover. Spray foam's ability to conform to any shape makes it well-suited to these older homes - but it also requires a crew with experience working in tight, non-standard spaces. We have worked in pre-1980 homes throughout the city, including in North Charleston, where postwar ranch homes frequently have undersized original insulation that has compressed over the decades. If your home was built before 1980, we will flag any concerns during our free assessment before we recommend a product.
We will reply within one business day to gather basic details about your home and schedule a free on-site visit. There is no cost for the initial assessment and no pressure to commit.
We visit your attic, crawl space, or walls - wherever the work is planned - and evaluate current insulation, moisture conditions, and access. We note any obstacles like HVAC equipment or existing material that needs to come out first.
You receive a written estimate covering scope, areas, foam thickness, and total cost - no verbal quotes. We will also tell you upfront whether any old insulation needs to come out and whether anything could affect the final price.
We arrive with our spray rig, seal off the work area, and complete most jobs in a single day. After the foam cures - typically a few hours - you return home and we walk through the work together so you can see the coverage before we leave.
Free estimate, no obligation. We reply within one business day.
(843) 459-1691We have worked in pre-1980 homes with irregular framing, knob-and-tube wiring remnants, and non-standard roof geometries across the Charleston peninsula. That hands-on experience means we spot issues during the assessment that a general contractor might miss, and we will tell you about them before the job starts.
South Carolina requires insulation contractors to hold a valid state license. You can verify ours through the SC Department of Labor, Licensing and Regulation before you sign anything. We also carry general liability and workers' compensation coverage, and we will provide certificates on request.
Open-cell foam is not the right product for every space in a Charleston home. If your crawl space has a flood history, we will say so and recommend a denser, waterproof alternative rather than sell you something that could absorb moisture and create problems later. You get a recommendation based on your home, not the product we install most often.
Every job gets a written estimate before we start and documentation when we finish. In Charleston's competitive real estate market, having paperwork that shows what was installed and where can protect you when it is time to sell. Buyers and their inspectors look closely at insulation, especially in older homes.
These are not marketing claims - they are the standards we hold every job to. When you call us, you get a contractor who treats your home the same way we would treat our own.
Insulation solutions for offices, retail spaces, and other commercial buildings in the Charleston area using foam, blown-in, and rigid board materials.
Learn MoreA denser, waterproof spray foam option for crawl spaces, below-grade walls, and other areas with flood or moisture exposure.
Learn MoreEvery week without proper insulation is another week your AC fights against the heat - call us now for a free, no-pressure estimate.