#1 Spray Foam Insulation Provider
in High Point, NC
High Point Spray Foam Insulation: Closed-Cell & Open-Cell Spray Foam Insulation Contractors for Attic, Walls, Barns, & Garage
Whether you need closed-cell spray foam insulation for a new construction project, open-cell foam in an existing attic, or crawl space encapsulation to control moisture, High Point Spray Foam Insulation provides commercial and residential foam insulation services throughout High Point, NC. With 16 years of experience, the team holds North Carolina's S(Insulation) specialty license through the NC Licensing Board for General Contractors and serves properties throughout Guilford County.
Every project begins with an on-site evaluation and a fixed-price estimate before any foam is applied. When a permit is required, we file through the City of High Point Inspections Services Department, and all work is covered by general liability and workers' compensation insurance. The Piedmont Triad's humid summers add extra moisture pressure to attics and crawl spaces, which makes correct application depth and coverage especially important here. Foam applied incorrectly can trap moisture or fail inspection, so getting it right the first time protects the building long-term.
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Why We're The Best Spray Foam Insulation Contractors in High Point, NC
Residential Spray Foam Insulation Services in High Point, NC
We install both closed-cell and open-cell spray foam across attics, walls, crawl spaces, garages, and roofs throughout High Point homes. Each application requires a different foam type and technique, and we match our methods to the specific area we're insulating.
Closed Cell Spray Foam Insulation
Our High Point insulation experts use closed-cell spray foam when a project calls for maximum R-value per inch and added structural rigidity. Its dense cell structure blocks water and vapor intrusion, which matters in High Point's humid summer months.
This foam type works well in foundations, exterior walls, and areas prone to moisture exposure. We typically recommend it for below-grade applications like basements and crawl spaces where water resistance is a priority.
Closed-cell foam also adds rigidity to the structures it's applied to. Because of its density, we apply it in thinner layers than open-cell foam while still achieving higher insulation values.
Open Cell Spray Foam Insulation
Open-cell spray foam has a lighter, softer texture that expands significantly during application. We use it in interior walls and other areas where sound dampening and flexibility matter more than moisture resistance.
This foam type costs less per board foot than closed-cell foam. It's a practical choice for homeowners looking to insulate large areas, such as attics, without the higher price tag of closed-cell material.
Open-cell foam does allow some vapor movement, so we don't recommend it for areas with direct water exposure. We reserve it for interior applications and spaces where a vapor barrier isn't the main concern.
Attic Spray Foam Insulation
Attics lose and gain heat faster than almost any other part of a house. We apply spray foam directly to the roof deck or attic floor to seal gaps that traditional insulation often misses.
This approach reduces air leakage around vents, wiring, and framing. Sealing these gaps helps keep conditioned air inside the living space instead of escaping through the attic.
Our spray foam insulation specialists select foam type based on whether the attic is vented or unvented. For unvented attics, we typically apply foam to the underside of the roof deck to bring the space into the conditioned envelope.
Spray Foam Wall Insulation
Traditional batt insulation leaves gaps around outlets, framing, and irregular spaces in wall cavities. We fill these completely with spray foam, eliminating the air pockets that reduce performance. This reduces air infiltration through exterior walls, improves sound dampening between rooms, ensures consistent coverage around wiring and plumbing, and adds resistance to moisture and mold. We use closed-cell foam for exterior walls where moisture control matters most, and open-cell foam for interior partition walls where sound reduction is the goal.
Spray Foam Insulation For Pole Barns
Pole barns often lack the tight construction of conventional homes, which makes air sealing more difficult with traditional insulation. We apply spray foam directly to the interior of the metal or wood panels to close these gaps.
This method controls condensation, which is a common problem in metal pole barns during temperature swings. Moisture buildup on interior metal surfaces can lead to rust and material degradation over time.
We typically use closed-cell foam for pole barns due to its moisture resistance and added rigidity. This combination helps stabilize the structure while also managing temperature and humidity inside the building.
New Construction Spray Foam Insulation
Installing spray foam during new construction gives us direct access to open wall cavities, roof decks, and foundation areas before drywall or finishing materials go up. This timing allows for complete, uninterrupted coverage.
Our spray foam insulation contractors coordinate with builders and contractors to schedule foam application at the correct stage of construction. Installing foam too early or too late in the build process can create complications with other trades.
New construction projects also give us the opportunity to insulate areas that are difficult to reach after a home is finished. This includes rim joists, sill plates, and other transition points between framing sections.
Garage Spray Foam Insulation
Garages sit at the edge of a home's conditioned space, making temperature control difficult without proper insulation. We insulate garage walls and ceilings to reduce temperature transfer to adjacent living areas, which matters most where rooms sit above or beside the garage. We also insulate detached garages used as workshops or storage requiring stable temperatures. Spray foam adheres directly to framing and door surfaces, creating a continuous seal that reduces drafts around the garage door and other leak points.
Crawl Space Spray Foam Insulation
Crawl spaces in High Point are prone to moisture buildup from ground contact and limited airflow. We apply closed-cell spray foam to crawl space walls to block water vapor rising from the soil, addressing musty odors, wood rot in floor joists and support beams, high humidity affecting upstairs air quality, and pest entry through gaps and cracks. Sealing the crawl space also reduces energy loss through the floor above, helping upstairs rooms stay more temperature-consistent year-round.
Spray Foam Roof Insulation
Roof insulation with spray foam targets the underside of the roof deck rather than the attic floor, bringing the entire attic into the home's conditioned envelope and changing how heat moves through the structure. This reduces summer heat transfer when attic temperatures climb, and helps prevent ice-related issues in colder snaps by keeping roof deck temperatures more consistent. We typically use closed-cell foam here for its higher R-value per inch and moisture resistance, useful where roof leaks or condensation have been recurring problems.
Commercial Spray Foam Insulation Services in High Point, NC
Commercial buildings in High Point face unique insulation demands, from metal warehouses to flat-roof retail spaces. We tailor our approach based on the structure type, moisture exposure, and the building's specific energy goals.
Beyond roofing and steel structures, we insulate walls, ceilings, and mechanical spaces in offices, retail buildings, and multi-unit properties. Our team evaluates each building's construction and usage patterns before recommending open-cell or closed-cell foam.
Steel Building Spray Foam Insulation
Steel buildings pose unique insulation challenges: metal conducts heat and cold quickly, and without proper insulation, condensation forms on interior surfaces, causing rust, mold, and structural damage. We use closed-cell spray foam because it bonds directly to metal panels, creating a continuous air and moisture barrier that eliminates thermal bridging common with batt insulation. It also adds rigidity, improving wind and impact resistance. For agricultural buildings, warehouses, and manufacturing facilities, this controls temperature swings and cuts condensation-related maintenance costs.
Spray Polyurethane Foam Roofing (SPF Roofing)
SPF roofing is a seamless, fluid-applied system installed directly over existing roof substrates. We spray the foam in liquid form, and it expands into a solid, monolithic surface with no seams for water to penetrate. Benefits include leak-prone joints eliminated, high R-value per inch without excessive added weight, a renewable coating system that can be recoated rather than replaced, and self-flashing around vents, pipes, and equipment penetrations. Our High Point spray foam insulation experts apply a protective elastomeric coating over the foam to guard against UV exposure and foot traffic. This system works well on flat or low-slope commercial roofs common throughout High Point's industrial and retail districts.
Specialty Spray Foam Insulation Services In High Point, NC
Beyond standard attic and wall insulation, we offer targeted services that address specific problems homeowners face, from moisture control under the house to noise reduction between floors. Each service below solves a distinct issue, and we tailor our approach based on your property's construction and needs.
Crawl Space Encapsulation
Piedmont Triad crawl spaces are prone to moisture from regional humidity and clay soil. Our spray foam insulation pros seal the space with a heavy-duty vapor barrier and closed-cell spray foam, blocking moisture, pests, and outside air.
This prevents wood rot, mold, and musty odors, and stabilizes floor temperatures, easing strain on your HVAC system.
We first inspect for standing water or structural damage, and address drainage alongside encapsulation when needed.
Energy Audit Services
We conduct energy audits using blower door tests and infrared cameras to pinpoint air leaks around windows, doors, attic penetrations, and wall cavities.
The audit shows your home's current performance before any spray foam work, with a report ranking problem areas by impact on energy bills.
This prevents spending on insulation where it isn't needed, focusing resources on the specific gaps driving up costs.
Soundproofing Spray Foam Insulation
Open-cell spray foam absorbs sound better than fiberglass batts due to its dense, irregular cell structure. We apply it in interior walls, floors, and ceilings where noise transfer is a concern, like home offices, media rooms, or shared walls in multi-unit properties.
It also provides thermal insulation at the same time, making it practical for interior renovations.
We measure existing noise levels and wall cavity depth before recommending foam density and thickness, and set realistic expectations since results vary by sound source and frequency.
Fire-Retardant Spray Foam
All spray foam we install meets local fire-resistance code, but some applications call for additional fire-retardant coatings. We apply an intumescent or ignition-barrier coating over the foam in attics, garages, and mechanical rooms where fire code compliance is strict.
This slows flame spread and smoke development in a fire, and is required on many commercial and multi-family projects in High Point.
We stay current on North Carolina building codes, inspect each project to determine if a thermal or ignition barrier is needed, and document compliance for inspections and permitting.
Spray Foam Insulation Removal
Spray Foam Insulation Removal
Old or improperly installed spray foam sometimes needs removal due to poor application, trapped moisture, or renovations requiring access to wiring and plumbing. We use manual scraping and specialized tools to remove it without damaging the structure.
This takes longer than removing fiberglass or cellulose since foam adheres directly to surfaces. We assess the scope first, checking for hidden water damage or structural issues, then prepare the surface for new insulation and dispose of the old material per local regulations.
Attic Air Sealing
Air sealing addresses gaps in your attic floor where conditioned air escapes into unconditioned space. We seal around recessed lighting, plumbing stacks, chimney chases, and attic hatches using spray foam before adding or upgrading insulation.
Common leak points include recessed can lights, plumbing and electrical penetrations, attic hatches and pull-down stairs, chimney and flue chases, and top plates where walls meet the attic floor.
Sealing these gaps first improves the effectiveness of any insulation added afterward, since skipping it often means paying for insulation that underperforms as air bypasses it through unsealed openings.
How Much Does Spray Foam Insulation Cost?
Spray Foam Insulation Pricing Guide — What Drives the Cost in High Point
A handful of variables determine what a spray foam job runs. Square footage sets the baseline, but so does how easy the crew can get to the space — a tight crawl space or a low-clearance attic in an older Piedmont Triad home takes more labor hours than open, walk-in areas.
Foam type is a major cost lever, and a few other factors shift the number too:
- Thickness — more inches means more material and more time on the gun
- Substrate condition — damaged or aged surfaces need extra prep before spraying
- Permitting — High Point building permits may carry inspection fees depending on project scope
- Time of year — booking during our busiest season can tighten availability and nudge pricing
Humidity is also a factor for Piedmont Triad homes generally, since our summers push well above 70% relative humidity. Closed-cell foam holds up better against that kind of moisture exposure, which is part of why it runs a bit more per square foot.
How Much Does Spray Foam Cost? Ranges by Foam Type
Open-cell foam is a solid fit for interior walls and areas without real moisture exposure. Closed-cell costs more upfront but delivers a higher R-value per inch and adds rigidity to the structure.
Most High Point homes we quote land between $2 and $6 per square foot, depending on scope. A full attic or whole-house job typically falls toward the top of our $1,650–$6,500 range, while single-room work sits closer to the bottom.
Spray Foam Cost vs. Fiberglass — Comparing the Cost
Fiberglass batts are cheaper going in — roughly half the per-square-foot cost of open-cell foam. But that lower price comes with trade-offs spray foam doesn't have:
- Air still moves through gaps and seams
- It compresses with age, losing R-value over time
- No air seal, so energy loss keeps happening
Spray foam runs higher per square foot, but it closes the cracks and gaps fiberglass leaves alone. Most homeowners end up weighing that long-term efficiency against the higher sticker price.
Is Spray Foam Worth The Investment? ROI & Energy Savings
We treat spray foam as a long-term investment, not a cheap fix. It costs more going in, but the air seal cuts heating and cooling losses year-round, and a lot of our High Point customers notice their utility bills drop after installation.
Closed-cell foam also reinforces walls and roof decks, which can extend how long the building envelope lasts and cut down on repair costs from moisture or air leaks down the road.
When you're weighing the budget, it's worth looking at the 10–20 year energy savings alongside the upfront number, not just the initial quote.
What People Are Saying About High Point Spray Foam Insulation
Things To Know Before Choosing Spray Foam Insulation
Spray foam behaves differently from traditional insulation in material, installation, and how it performs over time. Knowing how it works helps homeowners figure out if it's the right call for their property.
Why Spray Foam Beats Traditional Insulation
Spray foam seals the air in a way fiberglass batts and blown-in cellulose simply can't. That means fewer drafts, less moisture getting in, and less strain on the HVAC system.
A few advantages worth pointing out:
- Higher R-value per inch than fiberglass or cellulose
- Insulation and air sealing happen in one step, no separate vapor barrier needed
- Moisture resistance that helps keep mold out of walls and attics
- Extra structural rigidity, especially with closed-cell
- No nesting material for pests, unlike loose-fill options
Traditional insulation still makes sense for certain budgets and projects. But for homeowners who care about long-term efficiency, spray foam's advantages hold up under testing and inspection.
How Spray Foam Insulation Actually Works
pray foam starts as two liquid components — a polyol resin and an isocyanate — that react on contact when mixed at the nozzle. That reaction expands the material, sometimes 30 to 60 times its original volume depending on the foam.
We spray it directly into wall cavities, attics, crawl spaces, and rooflines, where it expands to fill gaps and irregular spaces rigid insulation can't reach.
Two main types:
- Open-cell foam — lighter, more flexible, better for sound dampening
- Closed-cell foam — denser, more rigid, higher R-value with better moisture resistance
It cures within minutes and is generally safe to touch within a few hours, though full off-gassing takes longer — which is why we stick to manufacturer re-entry guidelines.
Permits and Building Codes in High Point
High Point sits in IECC Climate Zone 4A under the North Carolina State Building Code: Energy Conservation Code, which sets the R-values required for code compliance and factors into the energy modeling larger permitted jobs need.
Spray foam is also classified as a foam plastic insulation under Chapter 26 of the North Carolina State Building Code, so it can't stay exposed indefinitely. Occupied spaces need an approved thermal barrier — usually 1/2-inch gypsum wallboard — unless the specific foam system has passed alternative fire testing. Attics and crawl spaces with limited access need a separate ignition barrier, typically 1/4-inch plywood or a tested intumescent coating, even though nobody's living in those spaces day to day.
For projects over $30,000, installation has to come from a contractor holding a North Carolina General Contractor license with an S(Insulation) specialty classification through the NC Licensing Board for General Contractors. We handle code compliance and permitting through the City of High Point so the barrier requirements are met the first time, not flagged at inspection.
Spray Foam Insulation Materials We Use
Closed Cell Spray Foam (2 Lb)
We use closed cell spray foam when a project calls for maximum strength and moisture resistance. This material has a density of about 2 pounds per cubic foot and an R-value near 6.0 per inch.
It adds rigidity to the structures it's applied to, which can improve resistance to racking forces in walls and roofs. We often recommend it for crawl spaces, basements, and areas exposed to moisture.
Because it forms a dense barrier, closed cell foam also acts as a vapor retarder. This makes it a practical choice for below-grade applications where groundwater or humidity is a concern.
Open Cell Spray Foam (0.5 Lb)
Open cell spray foam has a lighter density, around 0.5 pounds per cubic foot, and an R-value of about 3.5 per inch. We typically install it in interior walls, attics, and other areas where sound dampening and flexibility matter more than moisture resistance.
Its softer, spongier texture allows it to expand into tight gaps and irregular framing. This helps reduce air leakage in spaces that are difficult to seal with rigid materials.
We find open cell foam works well for budget-conscious projects that still need strong air sealing performance. It's not a vapor barrier, so we assess each space to confirm it's the right fit.
Soy-Based / Eco-Friendly Spray Foam
For clients focused on sustainability, we offer soy-based spray foam options. These formulations replace a portion of the petroleum-based content with renewable soy oil, reducing the overall environmental footprint of the product.
Performance-wise, soy-based foam functions similarly to standard spray foam in terms of air sealing and thermal resistance. We apply it using the same equipment and techniques as conventional foam, so there's no compromise in installation quality.
This option appeals to homeowners who want to reduce their reliance on fossil-fuel-derived materials without sacrificing insulation performance. We can walk through the specifics of each formulation during a consultation.
High R-Value Spray Foam
When space is limited and thermal performance is a priority, we turn to high R-value spray foam. Closed cell formulations deliver more insulating power per inch than open cell or traditional materials like fiberglass batts.
This matters most in areas with shallow wall cavities or low-clearance attics, where there isn't room for thick layers of insulation. A higher R-value per inch means we can achieve strong thermal performance without altering the structure.
We calculate the required thickness based on the specific R-value target for each area of the building. This ensures the finished installation meets local energy code requirements.
Low-VOC Spray Foam
We offer low-VOC spray foam formulations for clients concerned about indoor air quality during and after installation. These products are engineered to reduce the release of volatile organic compounds as the foam cures.
This can be a relevant factor for occupied homes, medical facilities, or spaces with sensitive individuals nearby. We still follow standard re-entry and ventilation guidelines regardless of the formulation used.
Low-VOC options perform comparably to standard spray foam in terms of insulation value and air sealing. Choosing this material doesn't require a trade-off in thermal or structural performance.
Fire-Retardant / Intumescent Coating
Spray foam insulation requires a fire-rated barrier or coating in most applications, particularly in exposed areas like attics, crawl spaces, and basements. We apply intumescent coatings that expand when exposed to heat, forming a protective char layer that slows flame spread.
This coating is applied as a separate layer over the cured foam. It doesn't affect the insulation's thermal performance but adds a layer of fire protection that helps meet building code requirements.
We determine coating needs based on local code and the specific area of installation. Our team can confirm which spaces on a property require this additional layer.
What Does Our Expert Spray Foam Insulation Process Involve?
High Point Spray Foam Insulation Frequently Asked Questions
How much does spray foam insulation cost in High Point, NC?
Nationally, homeowners spend an average of around $2,886 on spray foam insulation, with most projects landing between $1,453 and $4,333 depending on square footage and foam type. In the Piedmont Triad, per-square-foot pricing generally runs $2 to $6, with whole-attic or whole-home jobs toward the higher end and single-room projects toward the lower end. Foam thickness matters too: going from 1 inch to 4 inches roughly quadruples the material cost per square foot.
What are the benefits of spray foam insulation for a home or business?
Spray foam seals gaps, cracks, and penetrations that traditional insulation often leaves open. This air sealing reduces drafts and helps maintain consistent indoor temperatures throughout the year.
We also find that spray foam limits moisture intrusion, which matters given High Point's humidity levels near Oak Hollow Lake and the surrounding Piedmont terrain. Reduced moisture can mean less risk of mold growth in attics and crawl spaces.
What is the difference between open-cell and closed-cell spray foam insulation?
Open-cell foam has a softer, more flexible structure because the cells are not fully closed off. It expands more during application and works well for interior walls and areas where sound dampening is a priority.
Closed-cell foam has a denser structure with tightly packed cells, making it more rigid. We typically recommend closed-cell foam for exterior walls, roofs, and foundations because it resists water and vapor penetration more effectively.
Which type of spray foam insulation provides the highest R-value?
Closed-cell spray foam provides a higher R-value per inch compared to open-cell foam. This means it offers stronger thermal resistance in less physical space.
For projects where wall cavities or roof depth is limited, we often suggest closed-cell foam so the insulation performs well without requiring additional thickness.
Is spray foam insulation safe for my home?
Spray foam insulation is safe once it has fully cured, which typically takes 24 to 48 hours depending on the product and application conditions. During installation, we follow safety protocols including proper ventilation and protective equipment for our crew.
We also offer eco-friendly options, such as cellulose insulation made from recycled materials, for customers who want alternatives to traditional foam products.
Can spray foam insulation help lower energy bills?
Yes, spray foam insulation reduces the amount of conditioned air that escapes through gaps and cracks in your building envelope. This lowers the workload on heating and cooling systems, which can result in reduced monthly energy costs.
We've seen this effect play out in both older High Point homes with outdated insulation and newer construction where air sealing wasn't a priority during the original build.
Does spray foam insulation smell, and is it safe to be in the house afterward?
Properly mixed spray foam cures within minutes and is typically safe to touch within a few hours, though full off-gassing takes longer. Most of the horror stories about lingering smells and breathing irritation trace back to improper mixing ratios or incorrect curing temperatures, not the product itself. Manufacturers and installers set specific re-entry times for this reason, and following them is what separates a normal install from the rare cases that end up in the news.
Will spray foam insulation keep mice and other pests out of my attic?
Closed-cell foam in particular removes the loose nesting material that fiberglass and cellulose provide, which discourages rodents from settling in. It won't seal every possible entry point on its own, especially around vents, soffits, and utility penetrations, so it works best alongside standard pest-exclusion work rather than as a replacement for it.
Should insulation go along the attic floor or the roofline?
This is one of the most common points of confusion. Attic-floor insulation keeps the attic itself unconditioned and vented, which is the traditional approach. Spraying the underside of the roof deck instead creates a conditioned attic, which can protect ductwork and HVAC equipment from extreme temperature swings but changes ventilation requirements under the IECC. The right call depends on whether your attic houses mechanical equipment and how your roof is currently vented, so this is worth an on-site assessment rather than a one-size-fits-all answer.
Can spray foam cause wood rot on the roof deck?
This is a legitimate concern that shows up in independent surveyor reports, particularly in older homes. Closed-cell foam applied directly to the roof deck can trap moisture against the wood if there's an existing leak or if the assembly isn't designed for the local climate, since it blocks the deck's ability to dry outward. That's why inspecting for existing moisture and matching the foam type to the specific roof assembly matters more than it does with materials like fiberglass, which allow more airflow.
Are DIY spray foam kits from Home Depot or Lowe's worth it?
Retail kits, which typically cover 200 to 960 board feet, are fine for small gap-filling jobs like sealing around a single penetration. They're not a substitute for a professional installation across an attic or crawl space, since even coverage, correct expansion ratios, and thermal or ignition barrier code requirements are hard to hit without calibrated equipment and training.
How long does spray foam insulation actually last?
Manufacturers generally rate spray foam for 80-plus years of service life, and unlike fiberglass batts, it doesn't sag, settle, or compress over time. The foam itself degrading isn't usually the failure point. The more common issue is a poor original installation (thin spots, missed cavities, wrong foam type for the application) rather than the material wearing out.
Will spray foam affect my home's resale value or ability to refinance?
In the US this is less of an issue than it's become in the UK, where some mortgage lenders have started declining loans on homes with retrofitted spray foam in the loft. Here, the bigger factor for resale is documentation: buyers' inspectors want to see that the work was permitted, that it used a licensed installer, and that any required thermal or ignition barrier was installed to code. Keep your permit records and installer paperwork, since that's what an appraiser or home inspector will ask for.
How does spray foam actually compare to fiberglass on R-value and air sealing?
Closed-cell spray foam delivers roughly R-6 to R-7 per inch, versus about R-3 to R-3.5 per inch for standard fiberglass batts, and it forms a continuous air seal in the same step. Fiberglass, even installed correctly, still allows air to move through seams and gaps, and it loses effective R-value as it compresses with age. That's the trade-off homeowners are usually weighing: fiberglass costs less upfront, spray foam costs more but does two jobs (insulating and air sealing) at once.
Also Serving the Piedmont Triad
High Point Spray Foam Insulation is proud to serve homes and businesses throughout High Point and the surrounding Piedmont Triad region.
- Jamestown, NC
- Archdale, NC
- Trinity, NC
- Thomasville, NC
- Randleman, NC
- Sophia, NC
- Colfax, NC
- Pleasant Garden, NC
- Greensboro, NC
- Kernersville, NC
- Oak Ridge, NC
- Summerfield, NC
- Denton, NC
- Winston-Salem, NC
- Clemmons, NC
- Lexington, NC
- Asheboro, NC
- Burlington, NC
No matter where your job site is, you get the same equipment, crews, and safety standards on every project. Not sure if we cover your area? Give us a call and we'll let you know.