What is a firestop sealant ?

What is a firestop sealant ?

Firestop sealants can make any building — new or existing — safer for tenants while also limiting property losses from a fire. Proper firestop and smoke seal of fire-rated walls, floors and ceilings, as well as penetrating items through rated walls, helps extend the...
Why silicones are better than polyurethane?

Why silicones are better than polyurethane?

1. Silicones are UV light stable. Organic (urethane or polyurethane) products are not and break down in sunlight. This is because UV does not have enough energy to cleave the SI-O, silicone bond. However, C-C bonds used in organic materials are very unstable. UV...