| Quick facts | Answer |
|---|---|
| Cost range | Open-cell $0.60-$1.30 per board foot; closed-cell $1.30-$2.90 per board foot |
| Time | Many projects finish in about a day of labor |
| Who's qualified | Independent, insured spray foam installer; ask for proof of licence and insurance |
How much R-value does each type give?
Open-cell spray foam gives about R-3.5 to R-4 per inch. Closed-cell gives about R-6 to R-7 per inch, so it packs more insulation into the same depth.
Which type suits which part of a Tulsa home?
Closed-cell is the better choice when you want the highest insulation value per inch plus added moisture resistance. Open-cell is the lower-cost option and works well in interior walls and attic decks in conditioned spaces.
Why do attic projects often use spray foam?
Spray foam on the roof deck can bring ducts into conditioned space, which is one reason it is often used on attic jobs. The DOE and ENERGY STAR both recommend sealing leaks first, then choosing insulation that improves comfort and cuts energy waste.
What must the installer document under Oklahoma code?
Oklahoma residential code requires the installed spray polyurethane foam thickness and R-value to be listed on the installer's certificate. A trained installer, not a DIY kit, is the route to that documentation.
What to do next
- Ask your contractor which foam type they recommend for your attic, walls, or roof deck, and why.
- Request a written quote that lists foam type, board feet, thickness, and installed R-value.
- Ask the pro for proof of licence and insurance before work starts.
- Confirm the installer will provide the Oklahoma code certificate listing foam thickness and R-value.
- Call (918) 727-7715 or email [email protected] for a free quote from an independent, insured spray foam insulation contractor.
Tulsa Foam Pros is a free referral service: an independent contractor does the work and may pay us a referral fee. You never pay us anything.
