COLUMBIA, S.C. - Many building codes in the southeastern United States call for increased attic and crawl space ventilation to fight moisture and related IAQ problems. Craig DeWitt, Ph.D., P.E., ...

Proper attic insulation is a game-changer for regulating home temperature and reducing energy bills. When soffit venting isn't part of the equation, insulation requires strategic adjustments to ...

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. Factors like ...

Rob Robillard is a general contractor, carpenter, and editor of AConcordCarpenter.com. Q. I’m hoping you can help me with a problem I’m having in my attic. My condo is only two years old, but there is ...

Q Why is the underside of my roof boards damp? I had a roofer look in the attic in preparation for having my roof redone and he told me about the moisture. We haven’t had rain for a while, so it can’t ...

Q. My husband and I have huge condensation problems in our garage and new home. The garage was unfinished by the builder, but we added wall and ceiling insulation and vapor barriers on the walls and ...

Q: I've owned a cottage since 1986 and in 1992 decided to add on to it. The addition area is 20 feet wide and 32 feet long with all new trusses, roof, siding, insulation, wiring, etc. The roof is made ...

Q. We had a new bathroom vent fan installed a few months ago, a high end unit, and up until this cold weather started it had worked fine. Now there is water dripping down through the fan and the light ...