Answer: What you describe is a classic case of seasonal expansion and contraction. The problem stems from excessive dampness, due to poor attic ventilation or a poorly insulated attic.

How Can I Insulate an Attic With Limited Ventilation? When soffit vents aren’t available, focus on using alternatives like ridge vents, gable end vents, attic fans, or wind-powered vents.

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., challenged that notion ...

In the summer there is extreme heat in the uninsulated garage from the attic temperatures. Could ventilation changes in the attic alleviate these problems?

Your home constantly communicates with you through subtle signs and symptoms. While some issues announce themselves with ...

Attic ventilation of newer homes is better than earlier houses due to roof and soffit vents being installed as original equipment. However, even newer venting systems occasionally need improvement.

Poor insulation is a major culprit for temperature problems. Poor airflow can be solved with one of two methods: adding a ridge vent or installing room turbines to pump air out. Both have pros and ...

Attic floor insulation is relatively ineffective at blocking radiant heat from a 150-degree roof. Installing a solar attic vent fan helped cool my second-floor bedrooms.

Q: I’m an avid reader of your column and appreciate your common-sense solutions. My current difficulty involves attic ventilation problems/solutions, which you have addressed several times. My ...

Let’s take a look at an example where the attic has plenty of passive intake ventilation, yet still has a problem. A 1,200-square-foot attic should have four square feet of free area intake ...

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 quite a bit of condensation on the roof boards (they are damp/wet almost all ...