TYPE OF INSULATION | CHARACTERISTICS | PRICE |
 |
Glass wool | It is made from recycled glass and is typically used for exterior wall insulation. It is easy to install and is also fire resistant. | Varies between $0.50 and $2.00 per square foot |
Polyurethane foam | It is made from expanded polyurethane and is generally used for exterior wall insulation. It is also water resistant and provides excellent thermal insulation. | Varies between $1.00 and $2.50 per square foot |
Cellulose | IIt is made from recycled paper and is typically used for exterior wall insulation. It is environmentally friendly and provides good thermal insulation. | Varies between $0.50 and $1.50 per square foot |
 |
 The cost to insulate a 1,000 square foot attic ranges between $1,500 and $2,500 |
 The cost to insulate the walls of a 1,000 square foot house ranges between $3,000 and $5,000 |
 The cost to insulate a 1,000 square foot foundation ranges between $5,000 and $8,000 |