Roof drains penetration fire protection

Firestop manufacturers must plan accordingly when testing new designs to be used as firestops for drain fixtures. It is extremely rare for a fire-resistive assembly to be built exactly as found in the generic form described in the tables of model building codes or the Gypsum Association Handbook. Design features requiring fail-safe fire-resistant detailing are typically needed at locations where building services cross floor-to-floor or unit-to-unit boundaries. I want to hear from you. The term "through penetration" refers to openings that transverse a fire-resistive assembly, while membrane penetrations contain openings on one side only. Unfortunately, positive pressure testing has also called into question the results of early testing of pipe penetrations in furnaces where a variety of pressures were used.

Request e-mail to reset password. Live chat with us. In many cases, the various tested firestop systems are not applicable to particular field conditions. The space between a rated floor slab and the inside face of a curtain wall system is a special case that is called a perimeter barrier. The number represents the leakage rate in cubic-feet-per-minute. Prefabricated Joints Designed as a faster, simpler and no-mess solution to provide excellent fire, smoke and acoustic ratings.

Having trouble logging in or forgot your password? The systems are usually web-based so that information can be pulled up on a tablet or mobile device when in the field. Another way of saying this is that there are limits to the size and density of unprotected membrane penetrations within a rated separation. Intumescent Fireproofing Learn more about intumescent fireproofing. The firestop system shall have an F-rating equal to or more than the rating of the wall penetrated.