David - 10/23/2025 18:08
It’s usually quoted by the square foot. I wonder why it was 2x to spray the roof deck as that doesn’t make sense. Maybe it was so high or a complicated spray???
Maybe because code on a house " nonverticle " calls for 5 to 6 inches or double what a verticle gets | 
Cost of 2 inches of spray foam on steel quonset