A Guide to Air Barriers, Vapor Barriers, and Insulation Understanding these basics will help with building issues. By Bryan Orr. November 25, 2019. Imagine a cold, wet, windy day. You can take an ...

The vapor barrier has flanges on each side that make it easy to staple the insulation to studs or rafters. Newton said the insulations are so far made in batt or strip form only, not rolls.

Years ago, when few homes had insulation in their outside walls, no one worried about vapor barriers–there was no need for them. But now homes are better insulated, making it necessary to ...

Foam is a more recent insulation option and is typically made from a low-density polymer. It boasts good insulation qualities ...

Vapor Barriers vs. Air Barriers. Vapor barriers, also referred to as vapor retarders, are used to control water vapor, a gas, from entering the thermal cavity. Its ability to do so is measured in perm ...

Q:I have an open ceiling in my garage that is insulated with paper-backed R-13 batts with the fiberglass exposed and held in place by metal strips. The ceiling has a lot of pipes and wires running ...

Homeowners often ask if a vapor barrier is necessary for optimizing attic insulation and protecting their homes from moisture-related damage. The answer, however, isn’t one-size-fits-all.

The crawl space under my 1910 home is just exposed dirt and leftover building materials. I need to add a vapor barrier and wonder about the best one. The foundation consists of granite slabs and ...

Q. A lot of us with older (100 years) homes are getting energy audits with recommendations to blow in cellulose into the empty exterior wall cavities. I have read that without a vapor barrier ...

News; Home and garden; Ask The Builder: Vapor barrier and insulation in crawl space will mean warmer floors Sat., Sept. 9, 2017 This is a pretty normal creepy crawl space. Invisible water vapor ...