Attic, whole-home, and metal building spray foam for Norman homes and buildings — quoted free, per job.
Mix of older homes near campus and new builds south of town — attic retrofits are the common job.
Around the university and in Norman's older neighborhoods, many homes still carry thin, settled batts from decades ago. Attic retrofits — removing tired insulation and sealing the attic floor with foam — are the most common job we quote in Norman, with new builds south of town taking whole-home foam.
Norman is really two housing stocks sharing one city. Around the University of Oklahoma and in the older neighborhoods near the core, homes date from the early to mid 1900s: pier-and-beam foundations, vented crawl spaces, and original insulation that — where it exists at all — is thin, settled, and decades past doing its job. The second Norman is the growth on the east side and the south side of town: newer slab-on-grade subdivisions, plus a steady layer of post-storm rebuilds mixed through the older streets.
The older stock has a second problem the newer homes do not: Norman sits on red clay, and red clay holds water. A vented crawl space over that soil stays damp long after rain, and the stack effect quietly pulls crawl air — musty, humid, and in winter, cold — up through every gap in the floor. That is why Norman quotes split the way they do: attic retrofits on the newer and slab homes, and crawl space work underneath the older pier-and-beam homes. Norman is part of the same service area as our spray foam insulation in Oklahoma City coverage.
Crawl space sealing under pier-and-beam homes is Norman's signature job. Closed-cell foam on the crawl space walls and rim joists seals out the damp red-clay air, stops the musty smell that migrates up through the floor, and ends cold floors over the crawl. It is always closed-cell down there — the full reasoning is on our crawl space insulation page.
Attic retrofits in the older neighborhoods. Settled batts and thin blown-in come out, the attic floor is sealed, and fresh foam brings the attic to the Oklahoma R-38 target — the standard comfort fix for campus-area homes. See the attic insulation page for the roofline-versus-floor decision.
Roofline foam on two-story east-side builds, where attic ductwork makes a sealed, conditioned attic the better design, exactly as in the rest of the metro.
Whole-home foam on rebuilds and new construction south and east of the core — walls and roofline sprayed before drywall on homes going up now, including storm rebuilds that go back stronger than what they replaced.
Metal shops and barns on the larger lots at Norman's edges, where closed-cell foam bonds to the panels and stops condensation while it insulates — details on the metal building insulation page.
Open-cell is the budget-friendly pick for interior walls and attic floors; closed-cell brings higher R-value per inch, moisture resistance, and rigidity for metal and exposed walls. The full plain-English comparison is on our open-cell vs. closed-cell page, and the free quote settles which fits your building.
Norman attic jobs commonly run $2,500–$6,000 as a planning range depending on size and foam type, and installed spray foam across the metro plans at roughly $1.50–$4.50 per square foot — open-cell at the lower end of the range, closed-cell at the higher end. Norman's older homes are often smaller than the metro's newer suburban builds, which puts many of the city's attic jobs in the lower rows of this table:
| Norman job | Typical planning range |
|---|---|
| Foam on attic floor — ~1,000 sq ft attic | $2,000–$3,200 |
| Foam on attic floor — ~1,500 sq ft attic | $2,800–$4,400 |
| Roofline / sealed attic — ~1,500 sq ft attic | $4,600–$6,800 |
| Crawl space walls and rim joists (closed-cell) | Priced in the same $1.50–$4.50/sq ft installed planning range; quoted per home after a look underneath |
Removing failed old insulation, attic access, and the R-value target all move a job inside its range. Every figure on this page is a planning range, not a quote — each home is quoted free after an inspection. For the full metro pricing picture, including per-board-foot math, see how much spray foam insulation costs in Oklahoma City.
We also serve spray foam insulation in Moore, OK and spray foam insulation in Midwest City, OK, plus the rest of the Oklahoma City metro.
Closed-cell, every time. A vented crawl space under a pier-and-beam Norman home sits in damp red-clay soil air, and open-cell foam can absorb and hold moisture like a sponge. Closed-cell, at about R-6.5 per inch, resists moisture, seals the crawl walls and rim joists, and keeps humid crawl air out of the floor system above it.
That combination is a crawl space signature in Norman. Red clay holds water, a vented crawl stays damp long after the rain stops, and the stack effect pulls that musty crawl air up through gaps in the floor into the living space — while uninsulated floors over a cold, damp crawl feel cold underfoot all winter. Sealing the crawl with closed-cell foam on the walls and rim joists addresses the smell and the cold floor together.
Attic jobs in Norman commonly run $2,500–$6,000 as a planning range depending on size and foam type, and installed spray foam across the metro plans at roughly $1.50–$4.50 per square foot. Crawl space jobs are priced from the same per-square-foot planning range plus the rim joist work, and are quoted per home after a look underneath. Every figure here is a planning range — the quote itself is free and per job.
The two big retrofits — attic and crawl space — never touch the walls. Attic foam is applied from above once old insulation is removed, and crawl space foam is applied from below, so both are routine in occupied older homes. Existing wall cavities are a separate conversation that depends on how the walls were built, which the free inspection can assess.
Rebuilds are some of the best foam candidates there are. Foam is often sprayed during the rebuild itself — walls and roofline before drywall — and closed-cell adds racking strength to the wall assembly on top of sealing it. If your rebuild went back with conventional batts instead, an attic upgrade remains available at any time; the inspection compares what you have now against what the attic actually needs.
Spray foam is effectively permanent insulation: it does not settle, sag, or need topping up the way blown-in and batts do. Closed-cell foam is commonly rated to perform for 80 years or more, and open-cell for many decades — in practice, a properly installed foam job is expected to last the life of the home.