Since they’re brittle in colder weather, you might need to soften a curled shingle with a blow dryer. Don’t use a heat torch or any heat source more intense than a blow dryer, or you’ll damage the shingle.[5] 4 Repair a clean crack with roof sealant. There’s no need to ...
Each one should have a small vent line to connect to a bigger main vent that goes out through the roof. 4 Understand the waste pipes in your building. Waste pipes remove water and waste from a toilet. Your building has a large-diameter, central pipe that is the control center of the ...