It takes about 1-2 hours to thaw water pipes naturally. After the water pipe freezes, you should first use a towel or wet cloth to cover the faucet and water pipe, unscrew the switch, and then start from the faucet, the hot water will be slowly pouring and rushing on the water pipe section by section, and gradually extend, so that the ice in the pipe slowly melt, and soon you can resume the water.

Plumbing:

Water pipe is a water supply pipe, modern decoration water pipe are used to bury the wall construction, water pipe classification has three kinds, the first category is metal pipe, such as plastic-lined hot-plated cast iron pipe, copper pipe, stainless steel pipe, etc.. The second category is plastic compound metal pipe, such as steel-plastic composite pipe, aluminum-plastic composite pipe. The third category is plastic pipe, such as PB pipe, PP-R pipe and so on.

In the past, the pipes used for water supply are mainly cast iron pipes. Outdoor mainly use sand mold cast iron pipe, indoor use is galvanized cast iron pipe. However, due to the use of a few years after a large number of easy to produce rust scale, breeding bacteria, a serious danger to human health. The state has been stipulated in June 1, 2000 out of sand casting fittings and cold galvanized cast iron pipe, gradually limiting the use of hot-dip cast iron pipe, promote the use of aluminum-plastic composite pipe, new plastic pipe and so on!