Mineral wool batts are about 25 percent more expensive than fiberglass. Shop Now Many builders consider spray foam to be the gold standard for attic insulation. Inch-for-inch, it offers a higher R ...

Picking the right commercial insulation depends on budget, building type, and climate. From spray foam to fiberglass batts, each choice has benefits for a particular use.

"As a general contractor, the cost of materials, like fiberglass, cellulose, and Rockwool insulation is typically the largest ...