Spray Foam Costs $1.20-$3.50 Per Square Foot in 2026
Spray foam insulation delivers exceptional energy efficiency and durability, with 2026 costs ranging from $1.20 to $3.50 per square foot based on type and installation details. This overview compares open-cell and closed-cell options, examines cost influencers, and outlines budgeting strategies to maximize savings and home comfort.
By Sabrina Manning
5 min read