What Homeowners Need to Know About Door Thresholds in Texas Heat
Most homeowners do not think much about the threshold until they feel a hot draft, see daylight at the floor, or notice the door drag. That small strip at the bottom of the opening helps keep air, water, insects, and heat where they belong. What Heat And Sun Do To Door Thresholds In a hot climate, the threshold is constantly dealing with thermal movement, and that movement can loosen fasteners, warp surfaces, and open gaps. Metal thresholds can stay more stable, bu