The average cost to install insulation on a flat roof is around $0.67 per square foot, using 1-inch thick PolyISO with an R-value of six. Expect to pay around a quarter of the price to install a ...

The cost to install spray foam insulation ranges from $600 to $10,000 ... need to reroof your home or office or if you need a new roof itself, choose the top-rated roofing services for reliable ...

Cost: $300 (attic insulation), $23 per 4' x 8' board (solar sheathing), $4,000 (new roof), $600 (whole-house fan), $570 (whole-house heater), $1,450 (two skylights) After $18,500 in rebates and ...

The cost of the spray foam insulation job can be affect by the type ... though homeowners may also choose to insulate the garage, the roof, or parts of the HVAC system. You may decide the best ...