Fire Codes

Fire Rating For Truss Assemblies Built With 2x3 Lumber

Question: 

Are there any published studies or guidelines on the fire rating of floor trusses built with 2x3 lumber?

Metal Connector Plates In Fires

Question: 

I am thinking of using wood trusses for the roofing/ceiling structural systems on some houses I shall build. I remember, though, an engineer/volunteer fireman commenting back in 1989 that the connector plates are prone to expand and pop off, early on in a fire, causing catastrophic structural failure. Was this the case, and if so, has this problem been corrected?

Fire Damage Assessment

Question: 

How do you evaluate whether a metal plate connected truss is still usable after exposure to fire? Are there any recommended tests?

Fire Retardants and Truss Design - Educational Program

This presentation provides information and analysis of fire retardant-treated wood and metal plate connected wood truss designs.

Single Membrane Floor Protection Requirements of 2012 IRC Section R501.3 & 2015 IRC Section R302.13

This Research Report aims to enhance fire performance and fire safety characteristics through the application of a gypsum wallboard membrane.

Advocating with Evidence

A CM in Pennsylvania is taking a proactive approach to dealing with exception four of IRC provision R501.3.

Fire Endurance Calculation for Wood Truss Structural Framing Systems: 2-Hour Assembly

Fire endurance ratings may be mandated by code for many assemblies in both floor and roof framing systems. This Research Report discusses methodologies to calculate 2-hour fire endurances of a given assembly.

Sprinkler Loads on Trusses - Educational Program

This presentation provides information on and requirements for sprinkler loads on metal plate connected wood trusses.

Sprinkler Systems and Wood Trusses

The goal of this Research Report is to assist in designing safe buildings economically, especially when sprinkler systems are required or desired in the design.

Fire Resistance Rated Truss Assemblies

A fire endurance rating may be mandated by code for many of the applications where trusses could be used in floor/ceiling, roof/ceiling or in attic separation applications. This Research Report discusses 5 different methods for determining fire resistance.