While most people remember to insulate their kitchen sink supply lines, the waste pipe—or soil stack—is often forgotten. But when that 4-inch PVC pipe turns into a solid log of ice, you have a genuine bio-hazard emergency on your hands.
In many homes, a waste pipe freezes because cold air is blowing around the pipe. Check for holes in the siding or foundation where the pipe exits. Fill those gaps with spray foam. frozen waste pipe
A regular clog is annoying. A frozen pipe is a crisis. Here are the telltale signs: While most people remember to insulate their kitchen