We may earn revenue from the products available on this page and participate in affiliate programs. Learn More › Today’s building codes require a minimum amount of insulation in walls and ...

Adding blown-in insulation to your attic space is a popular way to improve energy efficiency and reduce heating and cooling costs. But what if you already have fiberglass insulation? Do you need ...

Yes, you can use blown-in insulation or injection foam for your wall joist space or spray foam insulation for the roof space. These methods allow you to improve thermal performance without rafter ...

Air Gaps and Energy Efficiency: Adding a blow-in insulation over pre-existing insulation can help fill gaps, enhance the air barrier, and improve thermal performance, provided the fiberglass layer ...