Attic insulation ranges in effectiveness, so manufacturers and industry professionals typically reference insulation’s R-value to help people find the best attic insulation for their homes.

Opt for open-cell insulation. Closed-cell insulation runs $1 to $1.50 per board foot, while open-cell costs about $0.44 to $0.65 per board foot. Install during the initial construction.

For those wondering “How much insulation do I need?” these tips will cover all the basics, from R-value to insulation calculators to the different types of insulation.

The bottom line is your utility bill, right? So, 5 On Your Side asked Burke – how much can a person expect to save if you make sure you’ve got an adequate amount of insulation in your attic?

The insulation levels depend on your climate zone and the existing insulation material in your attic. A good rule of thumb is to aim for an R-value of 38–60, which typically means about 10–14 ...

Ross insulates an attic; Richard talks irrigation repairs; Mark paves a parking spot. Ross Trethewey helps a homeowner dealing with ice dams decide whether to insulate from his attic roof rafters ...

Real Estate Why foam attic insulation may not be best choice Originally published September 28, 2012 at 8:00 pm Updated September 28, 2012 at 10:01 pm Share story By ...

If you use your attic as a bedroom, home office, etc., apply insulation to the ceiling, between the studs of interior knee walls, and outside between the studs and rafters of the walls and roof.

Q. Someone put flooring in the attic of my 100 year old home and used the area for storage. I don't think they put any insulation under this flooring, as it is cold near the kitchen ceiling that ...