Spray Foam Insulation & Air Sealing in Jacksonville, NC

We start by identifying where your home is losing energy. Our technicians inspect your attic, crawlspace, basement, and walls for visible gaps and air leaks. We look for missing or inadequate insulation, drafts around windows and doors, uninsulated ductwork, and rim joist gaps. We identify thermal bridging (studs and framing that conduct cold).

We use blower door testing to quantify total air leakage. A temporary door-mounted fan depressurizes your home and we measure how much air escapes. We also use thermal imaging to visualize heat loss and cold spots. You’ll see the energy waste clearly. From these results, we prioritize sealing by impact—big leaks first.

• We map air leak locations with photos and notes
• We identify insulation R-values in existing areas
• We assess ductwork location and insulation condition
• We test for moisture issues that might affect foam application

Based on assessment results, we recommend spray foam application locations. Attic headers and band joists are high-priority—lots of surface area, significant air leakage, easy to access. Window and door frames benefit from foam. Attic penetrations (where pipes, wires, and ducts pass through) are common leak points we seal.

We discuss foam type: closed-cell foam is denser, provides higher R-value and vapor barrier properties, and is best for exterior walls and attics subject to moisture. Open-cell foam is lighter, lower cost, more vapor-permeable, and ideal for interior cavities where moisture control isn’t critical.

We also recommend supplemental insulation: additional batts in attics, rigid board insulation over rim joists, duct wrapping in unconditioned spaces. Combined spray foam and traditional insulation give you the benefits of both—the air sealing from foam plus the cost-effectiveness of batts or blown-in cellulose.

• We calculate R-value targets for your climate zone and home type
• We recommend foam depth and coverage based on code and energy savings goals
• We plan for ventilation so foam doesn’t restrict necessary air exchange
• We estimate energy savings and payback period from the improvements

Before foam application, we prepare the work area. We protect finished surfaces, lay drop cloths, seal off areas where foam overspray shouldn’t land. We ensure the temperature and humidity are within the range for proper foam application (usually 50–85°F and 50% or less humidity).

Our spray technicians apply foam to target areas using professional-grade equipment. Foam expands as it cures, filling crevices and creating a continuous air barrier. We apply in layers if thickness exceeds equipment capacity. Excess foam is trimmed flush with framing for a clean, code-compliant finish.

• We apply foam to rim joists, band boards, and sill plates
• We seal around window and door frames
• We fill attic bypasses and penetrations (pipe, wire, duct penetrations)
• We wrap ducts running through unconditioned spaces
• We follow manufacturer specifications for application temperature and expansion

After foam cures (typically 24 hours), we trim excess foam flush with framing and install necessary backing. In attics, we apply fire-rated covering over exposed foam if code requires it. We ensure all work is code-compliant and safe.

We do a final walkthrough to confirm foam fills all intended gaps, inspect for quality (proper expansion, no voids), and verify no areas were missed. We photograph work completed so you have documentation.

• We trim foam to code specifications
• We install fire-rated covers where required by local code
• We ensure foam doesn’t block necessary ventilation
• We clean up work areas and remove protective coverings

Once work is complete, we can perform follow-up blower door testing to quantify air leakage reduction (many homes see 20–40% reduction). We’ll show you the before-and-after numbers so you see exactly how much you’ve improved your home’s air sealing.

You’ll notice results quickly: fewer drafts, more even temperatures, quieter home (foam also dampens noise). Over time, your energy bills should decline (savings vary by climate, energy rates, and HVAC system efficiency). Many homeowners see 10–25% reductions in heating and cooling costs.

• We provide a blower door re-test to confirm leakage improvement
• We document all work with photos and a completion report
• We explain how to maintain your improved insulation (avoiding damage in attics, etc.)
• We recommend annual HVAC maintenance to maximize efficiency gains from your improved building envelope