Building scientists Jeff and John Tooley have been a committed father-and-son team... More
Designs, methods, codes, and workmanship all played a role in Florida’s soggy storm experience. More
JLC's annual pick of products designed to help you work faster, better, and smarter. More
Reducing air leakage boosts thermal performance, reduces drafts, and keeps this... More
Forget the separate air barrier, and hold the vapor retarder: Sprayed-in-place... More
An experienced builder of energy-efficient homes explains the framing and air-sealing details necessary to build a tight, well-ventilated home. More
We take a look at the key differences between housewrap, asphalt felt, and kraft building paper to help you make the right choice. More
It’s easy to get sloppy when installing housewrap and flashings, but beware —... More
Q: Should you put a vapor barrier in an insulated ceiling or not? I build in a... More
We’ve fielded a lot of questions from builders who use housewrap air barriers, but wonder how these new mate-ials compare with felt paper when it comes to keeping water out of the walls. An expert in wood technology draws on his own research to explain how the properties of housewraps and felt affect their performance as a water-resistant barrier under siding. More
