"Since 1948"
Bonham Insulating Company has proudly served homeowners and businesses in and around Spartanburg for more than 70 years.
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Bonham Insulating helps homeowners, builders, and business owners across Anderson County make their buildings more comfortable and energy efficient. As experienced insulation contractors in Anderson County, SC, we handle everything from attic upgrades in established neighborhoods to complete insulation for new homes and commercial projects. Every job is installed by trained, background-checked crews who follow manufacturer specifications and current building codes.
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Anderson County's housing stock is as varied as its geography, from historic homes near downtown Anderson to new subdivisions along the I-85 corridor and homes around Lake Hartwell. Bonham works across all of it.
Existing homes. In established neighborhoods, we evaluate attic, wall, floor, and crawl space insulation and recommend targeted upgrades where performance has slipped. Common needs include adding attic insulation, sealing air leaks, and replacing damaged crawl space insulation.
New residential developments. Growth in areas like Powdersville, Anderson, and Williamston means a steady stream of new homes. We work with builders and homeowners to install code-compliant insulation on schedule so inspections and drywall stay on track.
Renovations. When walls, ceilings, or attics are opened for a remodel or addition, it's the right time to correct missing or poorly installed insulation.
Lake-area homes. Primary residences and second homes around Lake Hartwell have the same insulation needs as any other home, plus extra attention to crawl space moisture and humidity. We provide attic, wall, floor, and crawl space insulation for these homes just as we would anywhere else in the county.
Commercial properties. We insulate offices, retail spaces, medical facilities, schools, and other commercial buildings, for both new construction and upgrades.
Attic insulation is the first line of defense against summer heat gain. We add, replace, or install new attic insulation based on what your home needs.
Wall insulation keeps exterior rooms comfortable, and floor insulation over crawl spaces and garages helps prevent cold floors in winter.
We remove sagging or damaged crawl space insulation and install new insulation to help keep the floors above comfortable.
Blown-in fiberglass delivers seamless coverage in attics and enclosed spaces. Batt fiberglass is ideal for open stud walls, floor joists, and new construction.
Air sealing closes the gaps and penetrations that let hot, humid air in and conditioned air out, improving how well your insulation performs.
A moisture barrier on the crawl space floor helps limit ground moisture rising into the space, protecting insulation and framing.
Sound control insulation reduces noise between rooms, floors, and shared walls in homes and commercial buildings.
Insulation, air sealing, and sound control for Anderson County businesses, from new construction to upgrades of existing facilities.
Anderson County summers are hot and humid, and the attic is where much of that heat enters a home. As the sun beats down on the roof, heat builds in the attic and works its way through the ceiling into your living space. Without enough insulation, your air conditioner has to fight that heat all afternoon, and upstairs rooms often feel it first.
The cooler months reverse the problem. Warm air rises and escapes through the same under-insulated ceiling and any unsealed gaps, and the heating system has to make up the difference. Adequate attic insulation and air sealing slow heat movement in both directions, which helps your HVAC system keep up with seasonal demands without running nonstop.
Crawl spaces matter too. Humid air under the home can lead to condensation, damp insulation, and musty odors, and insulation that absorbs moisture loses its effectiveness. Pairing properly installed floor insulation with a moisture barrier helps protect both the insulation and the structure.
When the attic, walls, floors, and crawl space work together, indoor temperatures stay more consistent from room to room and from season to season.
Bonham Insulating provides residential and commercial insulation across Anderson County, including:
We also serve the Lake Hartwell area and surrounding Upstate communities such as Easley and Greenville. Call 864-585-5361 to confirm service at your address.
Decades of experience. Bonham has insulated homes and businesses in Upstate South Carolina since 1948. Few contractors in the region have seen as many building styles, materials, and code changes.
A professional installation process. Every project follows the same steps: assessment, recommendation, site preparation, installation to specification, and a final walkthrough with cleanup.
Free consultations. We'll visit your property, inspect your insulation, and explain what we find at no cost and with no obligation.
Recommendations made for your home. Your recommendation is based on your home's age, construction, and comfort concerns. If your insulation is in good shape, we'll tell you.
"I can't say enough about this company and their professionalism. It's not often things go so smooth from start to finish with contractors, but these guys went above and beyond." – Nick, Spartanburg, SC
Most homes here benefit from a well-insulated attic, often using blown-in fiberglass, along with air sealing and properly installed floor or crawl space insulation. Batt fiberglass is common in walls and new construction. The right mix depends on your home's construction and current insulation, which we assess during a free consultation.
Yes. Attic insulation slows the transfer of heat from a hot attic into your living space. Combined with air sealing, it helps upstairs rooms stay cooler and reduces how hard your air conditioner has to work.
Yes. We install wall, attic, and floor insulation in new homes throughout Anderson County and coordinate with builders to meet inspection and construction schedules.
Lake-area homes need the same attention to attic, wall, and floor insulation as any other home. Because humidity can be higher near the water, it's worth paying extra attention to crawl space conditions and moisture barriers. Second homes that sit closed up for weeks at a time can also benefit from a check for moisture and pest damage in the attic and crawl space. We'll evaluate your lake home just as we would any property and recommend what it needs.
Signs include insulation that is sagging, hanging loose, or lying on the ground, along with insulation that is wet, discolored, or moldy, musty odors, cold floors, and evidence of pests. Damaged insulation should be removed and replaced, and any moisture source addressed. We can inspect your crawl space and let you know what we find.
Whether you're upgrading a long-time family home in Anderson, building new in Powdersville, or managing a commercial property, Bonham Insulating can help you find the right solution. Our free consultations come with an on-site evaluation, clear findings, and recommendations built around your property, not a sales quota. Call 864-585-5361 or request your Anderson County insulation consultation today.