2 Hr Fire Rated Wall

U347 and in the ga 600 fire resistance manual as file numbers asw 0800 asw 0981 and asw 0998.

2 hr fire rated wall.

When properly constructed a gypsum area separation wall serves to prevent a fire in one residential unit from breaching into an adjoining unit for at least 2 hours which is enough time occupants to evacuate and for firefighters to successfully extinguish many fires. For class 2 to 9 buildings including multi residential and commercial buildings gyprock fire performance solutions include. The area separation wall system has a non bearing wall rating of 2 hours and is listed in the ul fire resistance directory as design no. The area separation wall system has been evaluated for code compliance in ul evaluation report ul er r3501 01.

What is rockwall. How to assemble a two hour fire rated wall step 1. For this reason a fire rated drywall is sometimes called one hour fire wallboard. Stratawall shaft wall cinema wall and securitywall.

Fire safety caution passing a fire test in a controlled laboratory setting and or certifying or labeling a product as having a one hour two hour or any other fire resistance or protection rating and therefore as acceptable for use in certain fire rated assemblies systems does not mean that either a particular assembly system. Each system can be customised to provide the exact level of fire performance required and a range of acoustic and thermal performance to meet each specific. Double the number of type x sheets on the wall for a simple system installed over fire resistant fiberglass. Elements of buildings the fire resistance rating classifies the ability of an assembly to confine and isolate fire within a zone comprised of fire resistance rated walls ceiling and floor assemblies.

Once rockwall panels have been installed according to the specific intertek warnock hersey certification guidelines the assembly provides 1 2 and 3 hours of fire resistance with a 4 5 and 6 core. Usg provides resources here for our ul wall assemblies for seamless integration into any construction project. Use thicker drywall for a two hour rating if double sheeting is not an option with fire resistant insulation. The ratings relate to fire tests designed to determine how quickly fire can raise the temperature to unacceptable levels.

If a conventional 1 2 inch thick sheet of drywall will stand up to 30 minutes of fire then the added 1 8 inch found in the type x drywall along with its other properties will double your margin of safety to 60 minutes. A partition having an assembly of materials that will afford a given fire resistance rating expressed in hours to impede the spread of fire from one area to another.