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 to ...

So I am working on running Ethernet in my new place. The attic has some kind of blown insulation, InsulFil is my guess. Anyway, any pointers on working around this stuff? I was thinking maybe just ...

Insulation in floor joists helps with thermal performance and sound. We are building a garage apartment and used ROCKWOOL to insulate the floor platform. This is video #2 in our 4 part series on ...