While the symbols of systems have ...

While the symbols of systems have increased, their application is still widely misunderstood
The greater awareness of firestopping and its life safety value has been cogitateed in more detailed national firestop digests and in the availability of strange firestop products.
The fresh products provide designers and contractors with various means to help interrupt fire from spreading through wall and floor penetrations. However, the wide array of produces available has added to confusion about what firestop materials are and the convenient way to use them.
An overview of firestopping