Residential & Commercial Insulation in Union County, SC

From in-town homes in Union to farmhouses down a long gravel drive, Bonham Insulating helps Union County property owners stay comfortable without wasting energy. We've served Union County as part of our Upstate service area for years, and as insulation contractors in Union County, SC, we bring the same professional installation and honest advice to every home and business we work on.

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Reliable Insulation Solutions for Union County Properties

Union County has a wide mix of buildings, and each comes with its own insulation questions:

  • Older homes in town and in former mill communities may have been built with little insulation, or with insulation that has thinned out over the decades.
  • Rural residences are often more exposed to wind and weather, and some have additions built at different times with different levels of insulation.
  • Renovations open up walls, ceilings, and floors, which makes it the easiest time to correct missing or poorly installed insulation.
  • New construction needs code-compliant insulation installed correctly the first time, coordinated with the builder's schedule.

Whatever the property, we start by evaluating what's already there. Checking the type, depth, and condition of existing insulation, along with air leaks and crawl space conditions, tells us whether your home needs an upgrade, a targeted repair, or nothing at all. That evaluation keeps you from paying for work your home doesn't need and makes sure the work you do choose solves the actual problem.

Our Union County Insulation Services

Attic Insulation

We top off attics with too little insulation, replace material damaged by leaks or pests, and insulate new attics to recommended levels for our climate.

Wall Insulation & Floor Insulation

Insulating walls and floors during a build or remodel helps reduce drafts, cold floors, and rooms that never quite match the thermostat.

Crawl Space Insulation

Crawl space insulation and moisture barriers help keep floors warmer and the area under your home drier and better protected.

Fiberglass Insulation

Blown-in fiberglass gives attics even coverage around framing and obstructions, while fiberglass batts fit open walls, floors, and standard joist spacing.

Air Sealing

We close the gaps around chimneys, plumbing and wiring penetrations, attic access points, and framing joints where outside air slips in.

Sound Attenuation

Sound control insulation helps quiet bedrooms, home offices, and shared walls in homes and commercial buildings.

Commercial Insulation

We insulate shops, offices, schools, medical buildings, and other commercial properties throughout Union County.

Improving Insulation in Older and Rural Homes

Plenty of older and rural homes in Union County are well built and well insulated. But when comfort problems show up, a few causes come up again and again:

  • Inadequate attic insulation. Insulation installed decades ago may be well below today's recommended levels, or may have settled, been disturbed during roof or electrical work, or been damaged by animals.
  • Uneven room temperatures. Additions, enclosed porches, and rooms over crawl spaces are often insulated differently from the rest of the house, so they run hotter or colder.
  • Air leakage. Older framing, chimneys, and decades of new wiring and plumbing can leave gaps that let drafts in and conditioned air out.
  • Crawl space moisture. Damp crawl spaces can cause insulation to sag or fall and lead to musty odors and cold floors.

The right fix depends on what we find. Sometimes it's adding blown-in insulation to the attic. Sometimes it's sealing leaks, replacing wet crawl space insulation, or simply insulating one problem room. We'll show you what we see and explain why it matters.

For rural properties, we can also insulate garages, workshops, and outbuildings to make them more usable year-round.

Communities Served in Union County

Bonham Insulating serves homes and businesses throughout Union County, including:

  • Union
  • Jonesville
  • Carlisle
  • Lockhart

We also serve rural areas across the county and nearby communities in Spartanburg and Cherokee counties. Call 864-585-5361 to confirm service for your property.

Why Choose Bonham Insulating for Union County Projects?

Professional service from first call to final walkthrough. We answer the phone, show up when scheduled, and keep you informed throughout the project.

Recommendations that fit the property. We recommend the type and amount of insulation your home or building needs and nothing more. If your current insulation is doing its job, we'll tell you.

Experienced, background-checked installers. Bonham has insulated Upstate homes and businesses since 1948. Our crews know how to work in older attics, tight crawl spaces, and finished homes.

Care for your property. We protect floors and furnishings, keep work areas contained, and clean up before we leave.

"They followed through with all of my concerns and even made other good suggestions regarding managing critters entering our attic space as well as a good referral to a roofing repair service." – Erik, Spartanburg, SC

Union County Insulation FAQs

  • How much insulation does an older Union County home need?

    For attics in our region, ENERGY STAR generally recommends insulation in the R-30 to R-60 range, depending on what's already there. Many older homes fall below that level, though not all do. The best way to know is to measure. During a consultation, we check your attic's current depth and condition and tell you how much, if any, should be added.

  • Can insulation be added without a complete renovation?

    Yes. Attic insulation can usually be blown in over existing material without opening walls or ceilings. Crawl space insulation and air sealing can also be done from the attic and underneath the home. Most upgrades in existing homes take place with little disruption to your living space.

  • What are common signs of inadequate attic insulation?

    Watch for upstairs rooms that are hot in summer, ceilings that feel warm or cold to the touch, an HVAC system that rarely shuts off, and insulation that looks thin, uneven, or level with the tops of the attic joists. Water stains, droppings, or nesting material in the attic can also mean insulation has been damaged.

  • Does Bonham provide insulation for rural properties?

    Yes. We insulate homes, additions, garages, workshops, and outbuildings on rural properties throughout Union County. Call us with your address and we'll schedule a visit.

  • Can better insulation help reduce drafts and temperature differences?

    Yes. Drafts usually come from air leaks, and temperature differences between rooms often come from gaps or thin spots in insulation. Air sealing combined with properly installed insulation helps your home feel more even from room to room.

Schedule Your Union County Insulation Consultation

Ready to find out what your Union County home or building needs? Schedule a free, no-obligation insulation consultation with Bonham. We'll inspect your property, explain our findings in plain language, and recommend only what makes sense. Call 864-585-5361 or request your consultation online.

Request a Free Insulation Consultation

Competitive Pricing

Not only was my phone call answered the first time I called without going to voicemail, but every person I dealt with from the company was professional, information, and easy to be around. Service was a quick turn around and their prices were very competitive. We had the insulation in our attic sucked out and re blown while redoing our ceilings, and while doing so, their crew shared great advice and information regarding proper maintenance and upkeep of our attic. Highly recommend, and would use again if needed.

Nicole , Spartanburg, SC

Quality Customer Service

I cant say enough about this company and their professionalism. Its not often things go so smooth from start to finish with contractors, but this guys went above and beyond. I was overwhelmed with customer service and the quality. Highly recommended Kevin and his crews.

Nick , Spartanburg, SC

Professionalism

We had a great experience with Kevin and the Bonham team. They responded quickly to an inquiry we put in regarding insulation at my office and quickly helped us identify and resolve the problem. Responsive, professional and a great group of folks to work with.

Charles , Spartanburg, SC

Great Communication

A business is rarely comprised of more than one good communicator and employee but I was impressed with all five of the guys I dealt with during their services. They followed through with all of my concerns and even made other good suggestions regarding managing critters entering our attic space as well as a good referral to a roofing repair service.

Erik , Spartanburg SC

Highly recommend!

I wanted to make my home more energy efficient and after research discovered that having enough insulation is one of the most critical things that you can do. I called Bonham Insulating and the owner came out to my house to inspect my attic. He recommended blowing additional insulation into the attic space. His team was able to blow it in without any trouble, they were neat, nice, and professional. And the best part? I noticed an immediate difference in how much my AC was running. And when I got my power bill, I noticed it there, too. Highly recommend!

Clayton , Spartanburg, SC

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