Retrofit insulation in Summerville SC - rooms that hold their temperature
Upstairs too hot, or a drafty room over the garage? We seal the gaps first, then add insulation so the rooms stop fighting your AC.
I come out to every estimate
I do every estimate visit myself, so the person who looks in your attic is the one who decides what gets done. Our installers do the work, and I check it over before we call the job done.
Licensed and fully insured on every job
We're licensed and fully insured. South Carolina lists insulation installing as a residential specialty trade, and its specialty contractor rules apply to homeowner jobs over $500, so it's fair to ask any installer which credential they hold.
Six years of doing it in order
We've been in business since 2020, and we're best known for attics and crawl spaces done in the right order, with the dull prep done first. Your satisfaction, guaranteed. Call (843) 285-6022 to set up a visit.
Retrofit insulation for Summerville homes
Retrofit insulation in Summerville, SC means adding to or replacing the insulation in a house that's already built. It helps when the upstairs runs hot, the room over the garage won't cool, or you just bought an older house and don't know what's in the attic.
Most retrofits start in the attic, because that's usually where the heat gets in and it's the easiest place to add more. Walls can be done too with drill and fill, where a small hole goes into each stud space and blown-in insulation, loose fill blown through a hose, goes in behind it. The holes can go in from inside or outside, so you pick the side that's easier on your house.
The price turns on how much attic or wall there is, how many inches are already up there, whether the old layer stays or comes out, and how much sealing the house needs. The schedule turns on the same things, plus anything that has to be fixed before insulation goes in, like a roof leak or bad wiring, since covering those only hides them. After I look at the space, you get in writing what I'd do and in what order.
How we do retrofit insulation
Start with what's already there
Before we add anything, we check whether your old layer can stay and be topped up or has to come out. If it's been soaked by a leak or is full of droppings, fresh material on top keeps the problem, so it comes out first. We also keep new insulation off recessed lights that aren't rated for it. Federal work guidance says the same, to prevent a fire, and allows covering lights marked IC rated for insulation contact, so ask us which way your lights will be handled.
Seal first, then fill it evenly
In a vented attic, our crew does the air sealing first, closing the gaps around pipes, wires and the attic hatch, because insulation over open gaps just fights a draft. Then we blow loose fill across the whole attic floor and keep the depth as even as we can, so the edges don't end up thin while the middle piles high. We set baffles, short chutes at the eaves, so the vents stay open and the attic keeps breathing. It's the same care we put into our attic insulation work, done over what's already up there.
Foam or loose fill when ducts are up there
If your ductwork runs through the attic, as it does in plenty of houses around here, burying it under loose fill has a catch. Federal research on hot, humid homes found buried ducts can sweat when their surface gets cooler than the dew point of the attic air, the point where moisture turns to water, and leaky ducts make that more likely. That's when spray foam insulation earns its higher cost, since it seals air while it insulates. Without ducts up there, sealing the gaps and topping up loose fill usually wins.
Get a written plan for your attic
We reply within one business day, and I come to your home for a free estimate with no obligation. Mention any recessed lights or attic ducts, and I'll tell you at the visit what I'd do first.
(843) 285-6022What happens after you call
You reach us
Call (843) 285-6022 or send the form with your address, and we'll set a time for me to come out. Tell us about any recessed lights, attic ducts or rooms that won't hold their temperature, so I know where to look first.
I look and write it up
I check the attic, crawl space or walls for anything that has to be fixed first, like a leak or bad wiring. At the visit I tell you what I'd do and in what order, and you get that in writing.
Our installers do the work
Our installers seal first, then insulate, and I look it over before we call it done. Federal work guidance calls for a signed, dated attic card listing the insulation type, its depth and the area covered, and you can ask for one.
Retrofit insulation questions in Summerville
What does attic insulation cost near Summerville, SC?
Attic insulation in the Charleston area usually costs about $1,400 to $4,500 per job. That's the going rate for the area, not our price. Where your house falls depends on what I find up there, and the written plan from my visit lays out what I'd do.
Do I need a permit for insulation in Summerville?
Ask the Town of Summerville's Building Department, because it requires permits for renovations and repairs, and its list names roofing and siding but not insulation. First, check whether your address is inside the town or in unincorporated Dorchester, Charleston or Berkeley County. We sort that out before we start and handle any permit the job needs.
Should gaps be sealed before adding insulation?
Yes. Federal guidance warns that money spent on insulation can be wasted unless the holes and gaps in ceilings, walls and foundation are sealed first. New attic insulation is also the easiest time to seal the attic, so ask for sealing to be part of the job.
Can my old attic insulation stay in place, or does it need removing?
Often it can stay. In one federal field study of homes in hot, humid climates, ceiling upgrades typically added blown-in fiberglass on top of the existing insulation instead of removing it. Ask any installer whether yours needs to come out or just a top-up, and expect a straight answer.