Fiberglass insulation is not airtight. Heck, it will barely even slow air propelled by convection, differential pressure or wind. It is especially helpless against air moving through a leaky pipe ...

Q • We had our air ducts tested by Laclede Gas. They failed with a 73 percent leakage. Their contractor is willing to fix the leaks for $1,000. The Earth Ways Center recommends sealing the ducts with ...

As long as ductwork has carried heated or cooled air to a space, there have been problems with air leakage. However, with energy prices spiraling upward, more focus is being paid to this industry-wide ...

You are able to gift 5 more articles this month. Anyone can access the link you share with no account required. Learn more. Most homeowners are aware of the importance of insulation in attics, walls ...