6 Features to Choose Commercial Fire Door Closer
According to NFPA 80, for optimal safety fire-rated doors should be kept closed in order to distinguish the possible spread of fire and smoke. Therefore [...]
Solving Outdoor Hydraulic Door Closer Problems: From Leaking Oil to Rust and Wear
Outdoor door closers are prone to rust over time where they face corrosive elements like temperature fluctuations and humidity. Initially, they may function adequately but [...]