Fire protection door

YKKap Fireproof Door G Series Apartment Entrance Door, WEST917 Cylinder Malfunction Repair

2022-06-26

``The key is not sticking in, so I want you to check it.'' This is a combination of GOAL TLK+WEST917. I was able to improve the cylinder by disassembling and cleaning it, but from the moment I saw the door, I felt something was wrong. I saw an unfamiliar strike on the underside of the door. motion […]

General

Cancellation of abnormal operation of fire shutter

2021-05-13

While waiting at a certain home improvement center, the fire shutters suddenly started closing. All four aircraft began to close. Employees came a few minutes later, but they couldn't seem to open the switch box. Holding the key box, time passes without any focus on this or that. Cars entering and leaving […]