How to prevent outdoor water pipes from freezing in winter?

1. In view of the low outdoor temperature in winter, it is suggested to cover the water pipe with cotton and linen fabric, plastic and foam, that is, wrap a layer outside the water pipe. If it is wrapped in a plastic sheet, it is best to have some insulation. Keep warm.

2. In addition to outdoor water pipes, pay attention to antifreeze and warmth, and indoor water pipes should also pay attention to the balcony, kitchen, bathroom and doors and windows facing north at night to ensure indoor temperature and prevent indoor water pipes from freezing.

You can turn off the water in the watch front valve and air defense pipe after the water is cut off at night. In the process of water flowing in the water pipe, the temperature will be very low and will not freeze. It is suggested that the temperature should be below 5℃ in winter. At night, you can turn on the tap to let the water flow to prevent freezing. If the faucet can't be used normally due to freezing, please don't tighten it by force, and don't restart it with tools such as pliers. The correct way is to wrap it with a towel and other packages, and then pour hot water in the direction of the faucet to thaw it.

4. For the exposed water pipes at the stairs, fix the water pipes on the wall with wooden boards and gusset plates, leaving a certain gap in the middle. The space around the gap is filled with sawdust, rice husk asphalt glass fiber, asphalt glass wool felt and other fillers. Thermal insulation and anti-freezing effect.

The use of public water pipes will break every winter, that is, waterproof pipes will crack. In recent years, special indoor and outdoor insulation pipe kits have appeared in the market, which can preheat water pipes. Please do it well in advance before the winter comes. Protection of domestic water pipes and water meters.

Apply antifreeze

Apply automotive antifreeze to the outer wall of the pipeline. If you like painting, you can apply antifreeze before painting. Can play a protective role.

7. Install the electric heating insulating tape.

This device is usually used for solar energy. However, there are many simple household insulating tapes on the market, which have the disadvantage of high cost.

8. When going out, close the indoor main valve and turn on the tap below to drain the water in the tap water pipeline to prevent the pipeline from freezing.