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 ...

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 ...

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 ...