Use a space heater, heat lamp, or hair dryer to thaw the frozen length of pipe. Wrapping freezing pipes with thermostatically controlled heat tape (from $50 to $200, depending on length) is also an effective way to quickly thaw a trouble spot. Don’t thaw pipes using a propane torch, which presents a fire risk.Click to see full answer. Consequently, how do you thaw a frozen tub drain?Apply heat to the pipe near the faucet and then move down to the frozen section. When using towels or other insulating fabric that is not self-heating, soak the towels in boiling water before wringing them out and applying them to the affected pipe. Continue applying heat until the pipe has thoroughly thawed.Similarly, will Salt thaw a frozen drain? While a space heater, a hairdryer, or any heating mechanism can generally do the trick, if you don’t have any of those things to help you out you can simply pour saltwater down the drain to thaw your frozen pipes. Once you’re finished, toss your hot and salty water down the drain to help thaw out those pipes. Secondly, can I just wait for frozen pipes to thaw? You might be tempted to wait for the pipes to thaw out by themselves. But keep in mind: Depending on the weather, the process can take days. Pipes typically don’t freeze until the temperature dips to 20 degrees Fahrenheit.How do you fix a frozen drain?Mix the salt with 3 cups of water and boil in a medium sized pot. Pour the mixture slowly into the drains to help the baking soda and vinegar mixture percolate through the frozen buildup in the pipe. The salt is a very potent ingredient that makes melting ice easy.