Another idea is box the pipes in and run a heating duct to them.
Frozen water pipes in attic.
It s the thawing pipes that leak and spew water after a hard freeze use a space heater heat lamp or hair dryer to thaw the frozen length of pipe.
Don t thaw pipes using a propane torch which presents a fire risk.
Check along the water supply lines taking note of very cold spots.
Moving plumbing pipes from a slab to an attic use pex pipe.
Surprisingly both hot and cold pipes can be at risk.
Placing water pipes in outside walls greatly increases the risk of frozen and burst pipes in cold.
Inspect carefully to see if you notice any line.
There are no manufacturer guarantees it won t fail.
Don t forget your labor.
Look to spend about 75 to 150 to insulate pipe in the attic of a 2 bath home.
Turn on the faucet.
If you find any broken pipes turn off the main water supply to the house.
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.
Pex won t ruin if frozen.
Often inexpensive foam pipe insulation is enough for moderately cold climates.
When running pipe from a slab to an attic use cross linked polyethylene tubing or pex instead of copper.
But plumbing pipes in an unheated area such as an attic crawl space and garage are at risk of freezing.
It s smart to insulate water supply piping exposed to freezing temp.
Exposed interior plumbing exposed pipes in the basement are rarely in danger of freezing because they are in a heated portion of the home.
If there is only a drip or trickle of water you may have a frozen pipe.
What to do if a pipe bursts.