For the interior of the sleeve over the building, how beneficial repair waterproof casing, no experience, I am afraid is not good imagination. When the pipe installation, the operator of a large range of non-use of space GB waterproof casing, you can freely use. Users check after repair, and replacement of the pipe (reached the age, etc.), an operator space is very limited. Only use pipe supports, pipe and casing temporarily fixed, the appropriate action. There are two reasons underlying flowing, low one sleeve height; two non GB waterproof casing prices, although non-GB highly waterproof casing offer enough, but too lax opening sealed casing. Therefore, the specification of the height of the sleeve, there are strict requirements: water rooms (kitchen, bathroom, etc.) should be higher than the survival of the ground sleeve height 50mm, plastic water pipe casing should be more than 100mm above the ground survived. And apply the ointment sealed tight. GB waterproof casing manufacturers, waterproof casing, Serco supply materials provided by Serco Gongyi City Water Supply Materials Limited. Serco Gongyi City Water Supply Materials Co., Ltd. (www.gyxjbcq.com/) strong, credible, in Zhengzhou, Henan valve industry has accumulated a large number of loyal clients. The company better work attitude and constantly improving innovative ideas will lead Serco supply material and you work into the brilliant, for a better future!