The typical cost of attic insulation is between $1,500 and $3,500, with a national average of $2,500. Cost factors for attic insulation installation include attic size, insulation type, insulation ...

Get the most energy efficiency from your insulation by filling all gaps, avoiding compression, sealing holes in framing and ...

Mineral wool batts for 2×6 walls have an R-value of 23, compared with R-19 for fiberglass batts. A 2×4 stud cavity filled with blown-in cellulose has an R-value of about 13. Spray foam insulates ...

Although foam core insulation was a popular choice in the past, foam core made of extruded polystyrene insulation (XPS) is being traded out for more eco-friendly options. Over the decades, new types ...

If you’re going to replace the siding or cladding on the exterior of your house, you should take the opportunity to add external insulation for a more comfortable house and lower energy bills.