Apex's fast-growing neighborhoods of two-story homes with bonus rooms and vaulted ceilings sit on vented crawl spaces and under attics that bake at 130 to 150 degrees through humid North Carolina summers. Many of these homes, built from the 1980s onward, were framed with closed wall cavities and attics that were never properly insulated or sealed, so the air handler and ductwork sit in a leaky, uncontrolled space that works against your cooling and heating all year long.
Homeowners in Apex (27502) call Durham Spray Foam Insulation because we understand the red-clay crawl spaces and vented attics that define homes in this area, and we know exactly what has to be sealed and insulated to stop the money from walking out through your walls and roof.
Spray Foam Insulation in Apex (27502)
Apex's building stock tells the story of the problem we solve. Your home likely sits on a brick-pier crawl space or a daylight basement on a sloped lot, with ductwork and an air handler in an attic that was never sealed or insulated properly. The vented crawl space below draws humid air up through your floors all summer, and the attic above radiates heat into your living space in July and August, then leaks warm air out in winter. If your bonus room or finished room over the garage never reaches temperature, or if your cooling and heating bills have become unaffordable, the culprit is almost always air leakage and missing insulation in those two spaces.
We have been serving Apex and the Durham area since 2012. Our team has sealed and insulated hundreds of attics, crawl spaces, rim joists, and garage ceilings in homes just like yours. We show up with a truck with local plates, we give you a written estimate with the R-value and thickness we are going to spray, and we do the work right the first time.
Our services in Apex
- Attic Spray Foam Insulation in Apex · Open-cell foam on the roof deck turns a 150°F Durham attic into conditioned…
- Closed Cell Spray Foam Insulation in Apex · Two-pound closed-cell foam delivers R-6.5 per inch with its own vapor retarder…
- Open Cell Spray Foam Insulation in Apex · Half-pound open-cell foam air-seals attics and walls at a friendlier price per…
- Wall & Injection Foam Insulation in Apex · Injection foam fills closed walls through small drilled ports, no demolition.
- Crawl Space Spray Foam Insulation in Apex · Closed-cell foam on crawl space walls and rims holds back humid air over Durham…
- Rim Joist & Band Joist Spray Foam in Apex · Rim joists over daylight basements and crawl spaces leak conditioned air at…
- Garage Spray Foam Insulation in Apex · Garage ceilings under bonus rooms are foam-sealed against radiant afternoon…
- Metal Building & Barndominium Spray Foam in Apex · Closed-cell foam is the insulation that stops a Carolina metal building from…
- Commercial & New Construction Spray Foam in Apex · Warehouses; offices; churches; soundstages and production builders served on…
- Insulation Removal in Apex · Old blown-in and batts vacuumed out before any new foam goes in, never buried.
- Insulation Replacement & Re-Insulation in Apex · The full reset: old material removed; gaps air-sealed…
- Air Sealing in Apex · Top plates; can lights; chases; knee walls and attic hatches leak more cooled…
How a Job Works in Apex
First, we come out for a free on-site assessment. We walk your attic, crawl space, or garage, and we look at what insulation is already there, whether it is wet or contaminated, and what has to come out before any new foam goes in. We measure the space, we talk about open-cell versus closed-cell foam, and we explain what R-value and thickness will get you the comfort and efficiency you need. You get a written estimate with all of that spelled out, and a clear price.
On the day of the work, our crew arrives early, sets up mechanical ventilation, and starts spraying. If we are working in an occupied home, we let you know the re-entry window is twenty-four to forty-eight hours. We control the thickness on every pass, we respect the manufacturer's ratio and drum temperature, and we follow the energy and building code that applies at your address. If insulation has to come out first, we remove it cleanly and haul it away.
When we are done, we clean up the site, we walk through with you, and your property is left the way we found it, except now your attic or crawl space is sealed and insulated.
Attic spray foam in Apex typically runs from $1.50 per square foot for open-cell foam to $1.20 per board foot for closed-cell, depending on the R-value you need and the thickness we are spraying. A crawl space usually starts around $2,500 and goes up with the square footage and the condition of what is already there. Rim and band joist sealing starts at $650. Wall injection foam for closed cavities runs from $2 per square foot. If insulation has to come out first, removal starts at $950. The real cost factors are the area to cover, the R-value and thickness your home needs, whether you choose open or closed cell, and whether we are removing old insulation before we spray. Every job is different. Call us at (984) 254-5400 for a free estimate. We will walk your space, answer your questions, and give you a price in writing with no surprises.
✅ Written Estimates with R-Value & Thickness Specs, fully insured for work in Apex and nearby areas.
