On November 25, 2024, according to the information of the State Intellectual Property Office, Beijing Oriental Yuhong Waterproof Technology Co., Ltd. has obtained a patent entitled "a kind of exposed waterproof coil with water resistance", with authorization notice No. CN 222039869 U, and the application date is January 2024.

The abstract of the patent shows that the utility model aims to provide an exposed waterproof coil material that is resistant to water immersion, and solves the problems that the original technology is not resistant to water and high temperature; To achieve the above purpose, the solution of the utility model is to provide a water-resistant exposed waterproof coil, including: basalt fiber cloth layer, glue layer and isolation film layer arranged from top to bottom, the basalt fiber cloth layer is made of basalt processing, preferably, the basalt fiber cloth layer thickness is 0.5 ~ 1.8mm.