List of featured suppliers of DRAINAGE COUPLINGS Flexible: WIS 4-41-01 Kitemarked on Building Products Index
A drainage coupling is a type of connector that is used to join together pipes or sections of drain in a building or construction project. The term "flexible" refers to the fact that the coupling is able to accommodate slight movements or changes in position, making it more adaptable to different installation scenarios. The reference to the "wis 4-41-01" standard indicates that the coupling has been tested and certified according to specific industry standards, while the "kitemarked" designation indicates that it has been independently verified by a recognized testing agency. Overall, the term refers to a specific type of drainage connector that has been approved for use in construction and building projects.