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Serving State College, PA and surrounding areas. (814) 996-0035
State College Insulation serves Lewistown and Mifflin County homeowners with home insulation, spray foam, and attic upgrades. We work on older brick row houses, wood-frame homes on the hillsides above town, and the full range of properties across the Juniata River valley - and we have been doing it since our founding.
Most Lewistown homes were built before 1940, and many have never had a full insulation upgrade. Our home insulation service covers attics, crawl spaces, rim joists, and walls - working through the whole house to find every place heat escapes and address them in the right order, starting with the areas that make the biggest difference in a Mifflin County winter.
Spray foam is the most effective option for crawl spaces and rim joists in Lewistown homes that sit close to or below the Juniata River flood plain. It seals both air and moisture in one application - critical for homes that deal with ground moisture and cold coming from below every winter. Older foundations in the borough benefit from foam's ability to conform to irregular surfaces.
Lewistown attics in older two-story homes often have compressed or displaced batts that have lost most of their insulating value after decades in place. Adding blown-in material over the existing attic floor brings coverage up to levels appropriate for central Pennsylvania's climate - a direct fix for high heating bills and cold upstairs rooms in the colder months.
Homes in Lewistown with a crawl space foundation - particularly those on the hillside properties above town near Jacks Mountain or Stone Mountain - benefit from insulating and encapsulating the crawl space to stop cold air from driving up through the floor. Hillside crawl spaces also tend to be exposed to more wind and ground moisture than in-town flat-lot homes.
Many Lewistown homes near the Juniata River have basements that deal with moisture infiltration during the spring flooding season. Insulating basement walls and rim joists with spray foam reduces both cold penetration and the moisture infiltration that contributes to damp, uncomfortable lower levels in these properties.
Brick row houses in Lewistown's older neighborhoods were built with solid brick or masonry walls that offer modest thermal resistance on their own. Adding an interior insulation layer or dense-pack blown-in through small access holes is a practical way to meaningfully reduce heat loss through those walls without a full renovation.
Lewistown sits in the Juniata River valley, tucked between Jacks Mountain to the south and Stone Mountain to the north. The valley location traps cold air during winter cold snaps and extends the duration of the heating season. Central Pennsylvania winters bring regular freeze-thaw cycles from December through March, and the repeated expansion and contraction that comes with those cycles is hard on older foundations, brick mortar, and any penetrations where cold can get in. A large share of Lewistown's homes were built before 1940, with original wood framing, plaster walls, and foundations that were not designed with energy efficiency in mind. That combination - an older housing stock in a cold valley setting - means most Lewistown homes are working harder than they need to just to stay comfortable.
The borough also has meaningful flood exposure along the Juniata River. Low-lying neighborhoods near the river deal with wet basements and crawl spaces after heavy spring rains, and homes in those areas need insulation solutions that account for moisture, not just cold. Hillside properties on the edges of town face different conditions - better drainage, but more wind exposure and harder equipment access. Row houses near the center of the borough share walls and sit on small lots where working around neighboring structures takes extra care. An insulation contractor familiar with Lewistown knows which type of property they are dealing with before they walk in the door.
We work on properties throughout Mifflin County, including the brick and wood-frame homes that fill the older blocks of Lewistown Borough near the Mifflin County Courthouse and the Juniata River. Row houses with tight lot lines and shared walls require a different approach than a standalone hillside home, and we are accustomed to working in both settings across this area.
Lewistown sits along US Route 322, the main corridor connecting State College to the northeast and Harrisburg to the southeast. We use that route regularly when scheduling jobs in the area. The borough is the county seat of Mifflin County, and the concentration of government offices, courts, and local services near downtown means a steady base of long-term homeowners who know their properties well and want work done reliably. Families in Lewistown often stay in their homes for decades - which also means deferred maintenance can pile up, and the first contractor in the door needs to give a straight assessment of what actually needs to be done.
We also serve homeowners in nearby Lock Haven, about 30 miles to the north - another small Pennsylvania river town with a similar profile of older borough homes and seasonal flood exposure along the Susquehanna. If you are between Lewistown and State College along Route 322, we cover that corridor as well.
Tell us what area of your home you want to address and what prompted the call - high bills, cold floors, a damp crawl space. We ask a few quick questions and schedule a free in-person visit. We reply within 1 business day.
A crew member visits to inspect the area, look at existing insulation, check for moisture issues, and measure the space. The visit takes 30 to 60 minutes. We walk you through what we find and give you a clear written estimate before you commit to anything - no cost, no pressure.
We arrive when agreed, protect the surrounding areas, and complete the work. Most Lewistown jobs - crawl space, rim joists, or attic - are done in a single day. Spray foam requires keeping the treated space unoccupied for about 24 hours afterward while it cures.
Before leaving, we walk through the completed work with you, answer any questions, and confirm you are satisfied. We clean up the work area entirely. Any follow-up needs are handled promptly.
We assess your Lewistown home at no charge and give you a straight answer about what needs to be done - no pressure, no upsell.
(814) 996-0035Lewistown is the county seat of Mifflin County, with a population of around 8,000 people. It sits in the Juniata River valley, flanked on both sides by mountain ridges that define the local geography. The borough has a dense, older residential core close to the river and the central business district, with homes becoming more spread out and newer on the hillsides rising toward Jacks Mountain and Stone Mountain. Most of the borough's housing stock was built before World War II, with brick construction and wood-frame row houses making up a large share of the in-town properties. Families in Lewistown tend to stay put - long-term homeownership is common, and people invest in maintaining homes they plan to pass down.
The area around Lewistown extends into the broader Mifflin County communities of Burnham, Yeagertown, and Belleville to the west. The Big Valley, west of Lewistown, is home to a significant Amish community and a mix of farm properties and older rural homes that present their own range of insulation needs. Lewistown sits at the junction of US Routes 322 and 522, which connect it to State College to the northeast and Harrisburg to the southeast - making it a practical stopping point for contractors serving central Pennsylvania. We also work regularly in nearby Huntingdon, about 25 miles to the southwest along the Juniata River valley, another small Pennsylvania county seat with a comparable mix of older housing stock and insulation needs.
Keep conditioned air in and outdoor temperatures out with proper attic insulation.
Learn moreLoose-fill insulation that reaches every corner for even, thorough coverage.
Learn moreSafe removal of old, damaged, or contaminated insulation before re-insulating.
Learn moreProtect floors and pipes from moisture and cold with crawl space insulation.
Learn moreInterior and exterior wall insulation for better comfort and sound control.
Learn moreStop drafts and air leaks that waste energy and reduce indoor comfort.
Learn moreDense, moisture-resistant closed-cell foam with the highest R-value per inch.
Learn moreLightweight open-cell foam ideal for interior walls and sound dampening.
Learn moreCommercial-grade insulation for offices, warehouses, and retail spaces.
Learn moreHeavy-duty vapor barriers that block ground moisture from entering your home.
Learn moreProfessional installation of vapor barriers in crawl spaces and basements.
Learn moreSeal attic bypasses and penetrations before adding insulation for best results.
Learn moreCall us or request a free estimate online - we respond within 1 business day and assess your home at no charge.