Does Old Attic Insulation Need to Be Removed Before Adding Spray Foam | Foam University

Find your local RetroFoam Insulation Dealer: https://www.retrofoam.com/dealers It's time for a home update, and you've decided to start with attic insulation. Here's the big question -- does the old attic insulation need to be removed first? Here's what you need to know about attic insulation removal. 0:00 - Intro 0:24 - Safety First: When dealing with fiberglass removal, be sure to take the appropriate safety precautions. 1:10 - Attic Insulation Removal Step One: Gain access to the space and prep and cover anything needing protection. 1:18 - Step Two: Pull each fiberglass batt out. 1:31 - Step Three: Remove batts through the access and bag them up for disposal. 1:48 - Why should old insulation in the attic be removed? 1:50 - Removing old attic insulation will improve airflow in the home. 2:18 - Removing old insulation in the attic will help prevent mold. 2:32 - When the dirty old fiberglass is removed, the air quality in the home will be improved. 2:55 - Why spray foam? Because it creates a conditioned space in the attic. 3:21 - Adding spray foam to the attic can help your HVAC system run less. 3:43 - Airflow in your home is similar to how a lava lamp works: hot air rises and circulates back down as it cools. 4:07 - Why remove old insulation? Because it causes temperature differences between the attic and living space, which can lead to condensation issues. 📚Do you want to learn more about why that old insulation needs to be removed? Check out the full article on our website: https://www.retrofoam.com/blog/old-in... Want to learn more about foam insulation and building science? ✅ RetroFoam Learning Center: https://www.retrofoam.com/blog ✅ RetroFoam Buying Guide: https://www.retrofoam.com/buying-retr... ✅ Find a Local RetroFoam Dealer: https://www.retrofoam.com/dealers Want to support the brainiac? ✅ Subscribe to the channel:    / @foamuniversitybyretrofoam   🚀 Brought to you by RetroFoam: https://www.retrofoam.com/ #atticinsulation #sprayfoam #sprayfoaminsulation #insulationremoval #retrofoam #buildingsciencebrainiac #foamu #foamuniversity