Comfort Summerville Insulation CompanyComfort Summerville Insulation Company

Wall insulation in Summerville SC - comfortable rooms without opening your walls

Drafty rooms that won't hold their temperature, even with the attic done? We fill the walls through small holes and patch them after.

Unfinished room with cream spray foam insulation between exposed wooden wall studs and plumbing pipes at right.

I come out for every estimate

I do the estimate visits myself, so the person checking your walls is the one who stands behind the plan. You'll get a straight answer from me, even when it's that the walls aren't your real problem.

Prep done first, since 2020

We've been in business since 2020, and the habit that hasn't changed is the order of the work. Leaks, bad wiring and wet spots get handled before any insulation goes in, because filling over them just hides the trouble.

Licensed and fully insured

We're licensed and fully insured, so you aren't carrying the risk of a crew working in your walls. When you want me to take a look, call (843) 285-6022 or send us the form.

Insulating existing walls in Summerville

Wall insulation in Summerville, SC usually means drill and fill. We drill small holes near the top of each wall cavity, blow loose insulation in through a hose and patch the holes. It helps when outside walls let rooms run hot, cold or noisy.

Most calls start with a room that won't hold its temperature, often in an older house where the attic got attention and the outside walls never did. What moves the price is how much outside wall you have, which side we drill from and how much patching that side needs. The schedule turns on that same patching and on anything that has to be fixed first, and your estimate lays out what I'd do and in what order, in writing.

Summerville's Building Department requires permits for renovations and repairs to a building's structure and systems, and its list names roofing and vinyl siding but not wall insulation, so it's the office to ask if you want its answer directly. Which office covers a job depends on your address, so we sort that out before we start and handle any permit the job needs, here or anywhere across Dorchester, Charleston and Berkeley counties.

How we do wall insulation

Checking wall coverings and wiring first

Before we drill, I ask what covers your inside walls and what kind of wiring the house has. Vinyl wallpaper, foil-faced insulation or plastic sheeting slows moisture a lot, and sitting on the room side of loose fill it can cause condensation inside the wall, so it changes the plan. The electrical code doesn't allow insulation around knob and tube wiring, the old cloth-covered wires strung on porcelain knobs, so we won't fill a wall that has it until that's sorted out.

Picking the inside or outside to drill

Then we pick a side to work from, whichever makes the patching simpler on your house. Drilling from inside leaves the drainage plane alone, the water-shedding layer behind your siding. Drilling from outside cuts through it, and it then has to be patched or replaced outright, depending on how easy it is to reach and what shape it's in. When the inside patches cleanly, I lean that way. A bathroom on an outside wall can tip it, since tile may have to come off before we drill through the wallboard.

Filling the spots that get skipped

A thorough job fills the short cavities that are easy to miss, above door headers, above and below windows, and behind cabinets on outside walls. Those are where a half-done wall shows up later as a cold patch. Walls are rarely the whole story, though. If air is slipping in around the attic hatch, pipes and outlets, our air sealing services close those gaps, and if the cold floors come from below, basement insulation may be the better place to start.

Get a written plan for your walls

We reply within one business day to set up a free estimate at your home. There's no pressure and no obligation, and you'll have the plan in writing to think over.

(843) 285-6022

What happens after you call

  1. Call or send the form

    Call (843) 285-6022 or send the form. It helps to have your house's age, the kind of wiring it has and what covers the inside walls handy, because those three shape the whole plan.

  2. I come out and look

    I come out myself and look at your walls, wiring and inside wall coverings, checking for anything that has to be fixed before we insulate. At the visit I tell you what I'd do and in what order, and you get it in writing.

  3. Our installers fill the walls

    Our installers drill, fill each cavity and patch the holes on the side we agreed on. Before we call it done, I look the work over myself, so the person who made the plan checks that it was followed.

Wall insulation questions from Summerville

How are existing walls insulated without tearing them out?

Usually with drill and fill, the method used on houses that are already built. Holes go near the top of each wall cavity, loose insulation gets blown in until the cavity is full, and the holes are patched, so your drywall and siding stay where they are.

How much does wall insulation cost around Charleston SC?

Insulation in the Charleston area usually costs about $1 to $5 per square foot, and that range is for insulation in general, not walls alone. Where your walls land depends on how much wall there is and how much patching the drilled side needs. Your estimate puts the plan in writing so you can weigh it.

Who can legally insulate walls in Summerville SC?

Someone with a South Carolina license for the work and a Summerville business license, since the city requires both of contractors and subcontractors. The state lists insulation installers as a residential specialty contractor trade for jobs over $500 with a property owner, so ask anyone you're considering about both licenses.

Does lead paint matter when insulating walls in an older house?

It can, if your house was built before 1978. For those homes, the EPA regulates work that disturbs more than 6 square feet of painted surface inside or 20 square feet outside, so drilling and patching painted walls can fall under its rules. Tell me the house's age when you call.