Use foam pipe insulation on any pipes located in unheated areas like basements, crawl spaces, or garages.
Unlike pressurized water supply lines, drain pipes are not always full of water. They freeze when water sits stagnant in a low spot or when the pipe has a shallow slope. Common culprits include: how to unfreeze a drain pipe 2021
Open the faucet connected to the frozen drain slightly. This relieves pressure within the system and gives the melting ice an escape route. Step 3: Choose a Safe Thawing Method Use foam pipe insulation on any pipes located