Underlayment Materials Raise Concerns Among Homeowners

Have you noticed a black substance dripping or oozing from your roof? It may be caused by faulty underlayment materials, which can melt and drip onto exterior walls, driveways, and walkways.
Have you noticed a black substance dripping or oozing from your roof? It may be caused by faulty underlayment materials, which can melt and drip onto exterior walls, driveways, and walkways.