2026 How much does spray foam insulation cost? New Jersey, NJ Spray foam insulation cost? New Jersey, NJ cost of spray foam insulation in New Jersey, NJ? Cost of Spray Foam Insulation Spray foam is available in two types: To calculate the price of your job, take the cost of the type of Spray Foam you choose:Open-cell Spray Foam cost is generally 0,35 to 0,55 cents per board footClosed-cell Spray Foam cost is generally $ 0.90 – $1.00 per board foot For example, 2,500 sq ft, At 2″ thick of closed cell = $4,750. to $6,0002,500 sq ft, At 4″ thick of open cell = $4,000. to $6,500 Minimum Service Charge Per Job is $2.100 To $2.500. Depending on Your Job and Situation.
The average total cost to have spray foam professionally installed is about $2,400.
Open-Cell Spray Foam
Closed-cell Spray Foam
$ 0,35 to $0,55 cents per board foot
$ 0.90 to $1.00 per board foot
Average Cost: $2,400
High: $3,500
Typical Range: $1,500 and $3,500
Low: $1,500