An intumescent material is one that undergoes a chemical change when exposed to heat or flames, expanding dramatically, some to many times its original volume. This physical process is one of the main principles for passive fire protection products – including intumescent strips, which seal the gaps around the perimeter of a fire door. The […]
There are numbers types of self-adhesive in market, which self-adhesive is suitable for the gun safes doors frames? We researtch and test nearly 50 types adhesive like 3M brand 9448A, 9495LE … And give suggestion on the self-adhesive choosing and intallation notice for gun safes. Usuallly the gun safes surface has the special treatment of […]
When it comes to acoustic or fire / smoke-rated doors, whether in residential or commercial spaces, there is a growing need for innovative solutions that help contain sound and most importantly smoke & fire at the threshold of the door. One such solution that has gained popularity in recent years is automatic drop seals for […]
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