What is the approximate cost of spray foam insulation in 2020?

There are no two ways to this as stated earlier. Spray foam insulation is significantly pricier than the traditional insulation. How much it costs depends on the type of insulation, thickness, the size of the area, and perhaps the pattern of installation. Essentially, the average cost is easier determined using the two types of spray foam loft insulation.

The industry average for closed cell spray foam insulation is put at 50-90 pounds per square meter. Open cell spray foam insulation, the less expensive of the two, goes for 40-70 pounds on the average. Nevertheless, experts say the closed cell spray insulation is a lot more effective. To insulate the loft of a semi-detached house, the estimated cost needed is around 300 Pounds according to the Energy Saving Trust.