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.

"A puncture-resistant, single-layer vapor barrier is the best type," Church says. This is a Class 1 vapor barrier, which is the most impermeable and offers the best moisture protection.

A vapor barrier can also prevent mold and help your ... laminate flooring or vinyl plank flooring and it's one of the best ...

While vapor barriers are typically pricier, they offer superior protection against groundwater. Moisture barriers, on the other hand, are more affordable and work best against atmospheric moisture.

A new study shows that encapsulation with high-quality barrier films significantly improves perovskite solar cell durability.