6 Key Reasons to Choose Waterson Fire-rated Door Closer Hinges
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. [...]
Door Closer Leaking Oil Is A Typical Problem Of Outdoor Door Closer
When you use an outdoor door closer, you will notice the closer will eventually rust. These products may be fine for a short period of [...]
How to Find ADA Compliant Door Closer?
Currently there aren't many choices for ADA compliant door closer. Customers are left with limited choices to create a barrier-free environment. The Americans [...]