Central PA Spray Foam

Spray Foam & Insulation Contractor in Harrisburg, PA

Central PA Spray Foam installs closed-cell spray foam and blown-in fiberglass insulation for homes, farms, and businesses in Harrisburg and the Capital Region, from Hershey to Camp Hill, Mechanicsburg, and Carlisle. Every project starts with a free inspection and an itemized estimate.

Spray Foam Insulation for Capital Region Homes

Harrisburg sits on the Susquehanna in the same central Pennsylvania climate we work in every day: cold, snowy winters, humid summers, and the freeze-thaw swings in between. Homes here lose heat in winter and take on moisture in summer through the same gaps: rim joists, attic floors, and the leaks around chimneys, plumbing stacks, and light fixtures.

That is why we lead with closed-cell spray foam. At R-7.1 per inch, it insulates, air-seals, and blocks moisture in one layer, and it plugs the gaps pests use to get in. Where a big open attic floor needs depth on a budget, we add blown-in fiberglass. Whether your home is in the city, across the river in Camp Hill or Mechanicsburg, or out toward Hershey, the plan starts with a free inspection.

Get a Free Estimate

Free Estimates & Inspections
Family-Owned & Operated
Serving Central Pennsylvania — We’ll Cross State Lines Too
Licensed PA Contractor — HIC #PA197062
Brand-Name Materials: Natural Polymers & Owens Corning
Whole-Home & Whole-Building Approach

Where Closed-Cell Foam Pays Off in Harrisburg Homes

Most of the heat a Capital Region home loses in winter slips out through a handful of places. Closed-cell foam goes where it does the most good:

  • Rim joists and basement walls: among the largest uninsulated areas in most homes, and 10 to 15 percent of whole-home heating loss. Foam fills the irregular rim joist completely.
  • Roof decks and finished attic rooms: foam on the underside of the roof deck air-seals the attic and keeps the rooms under it closer to the temperature of the rest of the house.
  • Crawl space walls: foam seals and insulates the walls and the rim joist, closing major air-leak paths into the floor above.
  • Garages and the rooms above them: foam handles a garage’s moisture and temperature swings and seals the rim joist under the bedroom overhead.

Foam doesn’t sag or settle, so it keeps its R-value for decades.

Finished attic room with the walls and roof deck sealed in spray foam insulation

Blown-In Attic Insulation Around Harrisburg

Many older homes around Harrisburg have a thin, settled layer of old attic insulation. Warm air leaking through it melts the snow on the roof, and the meltwater refreezes into ice dams along the eaves. The fix is to seal the leaks in the attic floor first, then blow blown-in fiberglass to R-38 or R-49. Central Pennsylvania winters favor the higher end.

Many Capital Region homes get the best value from spray foam and blown-in together: closed-cell foam at the rim joists and seams, Owens Corning fiberglass across the open attic.

Roof deck sprayed with foam insulation between the trusses of a new build

Commercial, Farm & New Construction in the Capital Region

Dauphin and Cumberland Counties mix city buildings with farm country, and we insulate both. For businesses, we install commercial spray foam insulation in warehouses, manufacturing facilities, offices, and metal buildings, with schedules planned around your operations.

On Cumberland Valley farms around Carlisle, pole barn insulation with closed-cell foam stops the condensation that drips from bare steel in barns and shops.

Building new? We provide written new construction insulation specifications for plan sets, permitting, and inspection, and the best results come when we’re part of pre-construction planning.

Serving Harrisburg from Lewisburg

We’re a family-owned company based in Lewisburg, a little over an hour up US-15 along the Susquehanna, and our crews work the roads between Harrisburg and State College every week. Most inspections and quotes happen within days, not weeks.

We cover Harrisburg, Camp Hill, Mechanicsburg, Hershey, Carlisle, and the greater capital area, plus the rest of our central Pennsylvania service area, from the Susquehanna Valley to State College. Not sure we reach your town? Call (570) 412-5613 and we’ll confirm coverage.

Your Questions Answered

Harrisburg Spray Foam Questions

Yes. Our Capital Region coverage includes Harrisburg, Camp Hill, Mechanicsburg, Hershey, Carlisle, and the greater capital area. We're based in Lewisburg, our crews work the roads between Harrisburg and State College every week, and most inspections and quotes happen within days, not weeks. Call (570) 412-5613 to schedule a free inspection.

A good estimate names the material and brand, the thickness or R-value for each area, the square footage, any prep work, and the warranty terms. Ours are free, itemized, and written after we inspect your home or building, with no hidden fees. Every installation includes a workmanship warranty, and material warranties come from the manufacturer.

The biggest factors are how many square feet we spray, how thick each area needs to be, and access: tight spaces, tall walls, and prep work add labor. Closed-cell foam costs more per inch than blown-in fiberglass, so many homes use foam where it seals best and fiberglass across the open attic. Your free inspection ends with an itemized estimate.

Plan to stay out of the sprayed area while we spray and while the foam cures, with the space ventilated. How long depends on the job, so we follow Natural Polymers' re-entry guidance and tell you when it's safe to come back in. Blown-in fiberglass doesn't need a cure time.

Our Service Area

Serving Central Pennsylvania — Lewisburg to Harrisburg to State College

Harrisburg and the Capital Region make up one corner of our central Pennsylvania service area. We insulate homes, farms, and businesses on both sides of the river, from Hershey to Carlisle.

Lewisburg & the Susquehanna Valley

Our home base. Full insulation service for Lewisburg, Mifflinburg, Milton, Danville, Sunbury, Selinsgrove, Bloomsburg, and the surrounding communities.

Harrisburg & the Capital Region

Homes, businesses, and new builds across Harrisburg, Camp Hill, Mechanicsburg, Hershey, Carlisle, and the greater capital area.

State College & Centre County

Insulation for the Centre County region — State College, Bellefonte, Boalsburg, Philipsburg, and the surrounding valleys.

Between those three points is our core service area, and we cover plenty of ground around them — including Williamsport, Lock Haven, and Lewistown. If your town isn’t listed, call us. We’ll cross state lines for the right project, too. Learn more on our service area page, or reach out to confirm coverage and schedule a free inspection.

(570) 412-5613   Contact Us

Let’s Get Started on Your Harrisburg Project

Whether it’s an older home with ice dams, a basement that never warms up, a farm building, or a new build, it starts with a free inspection. We look at the space, explain your options, and give you an honest, itemized estimate.

Central PA Spray Foam is family-owned and operated, licensed in Pennsylvania (HIC #PA197062), and installs Natural Polymers closed-cell spray foam and Owens Corning blown-in fiberglass.

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