manufacturers who have contracted with them for testing and certification.

Inadequate firestopping

No firestopping

Older buildings often lack firestops. A thorough inspection can identify all vertical and horizontal fire barriers and their fire ratings, and all breaches in these barriers (which can be sealed with approved methods).

Non-listed attempts

Firestops created by contractors or building maintenance personnel which are not listed are not credited

1.Previous
3.Next