DIY Blown-In Wall Insulation?

Answer To have an energy-efficient home you need good insulation to prevent hot air from escaping through the walls. In old houses, the insulation may be worn and ineffective, but behind walls that do not... Read More »

Top Q&A For: DIY Blown-In Wall Insulation

How much blown in wall insulation will I need?

Blown in wall insulation such as cellulose costs less than $1 per square foot, depending on R-value, so a home with 1,000 square feet of wall space would need $1,000 or less worth of blown in insul... Read More »

How do I Install Insulation Baffles Above the Exterior Wall to Protect the Insulation From Air?

Insulation baffles keep attic insulation from contacting the underside of the roof, and provide for a free flow of air from the soffit vents to the ridge vent. This prevents the buildup of condensa... Read More »

How much blown insulation do I need?

Insulating a home adds value to the home and reduces heating and cooling costs. The type of insulation you choose depends on the size of the home and where the insulation will be placed. In the cas... Read More »

How much is blown insulation?

The cost of blown insulation ranges from $0.40 per square foot to $3.50 per square foot. Prices vary depending on the thermal performance rating of the insulation, known at the R-factor. The amount... Read More »