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 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 »

How to Add Blown Insulation to the Attic?

Insulating your attic is one way to help lower your energy bills. Some homeowners prefer to hire a contractor to perform insulation tasks, but you can do the job yourself by renting a blowing machi... Read More »