Fire Rated Brick Veneer Walls

Balanced design building codes equivalent thickness fire fire resistance period fire resistance rating fire test.
Fire rated brick veneer walls. Light roof 4kn heavy roof 6kn lower storey 9kn design note tb3 fire resistant ratings february 2011 procedure 1. Wider 150mm wide bricks can also be used in walls requiring lower sound transmission higher fire resistance levels and higher load bearing capacity depending on the specific brick properties. Watsontown brick 7 5 in x 3 75 in retail red paver brick red brick. A 1 hour fire rating and a 2 veneer with a 1 air space for a 2 hour fire rating.
Just wondering if anyone has any fire rating info for brick veneer wall systems. Fire rated materials fixing notes page 5 of 10 frl description sketch load bearing masonry and masonry veneer walls 60 60 60 note. Maximum permissible loads per stud are. We re not around right now.
Bricks are classified according to how much 20 bricks together deviate from 20 times the work size this is known as the lay test. For further information on fire resistance of brick see technical notes 16. Brick veneer wall assemblies with wood stud backing routinely attain fire ratings of up to 2 hr. 70mm or 90mm clay brick veneer timber frame gibboard fyreline fixed to winstones specification.
Rated from sheeted side only one layer 10mm compressed fibrous cement sheeting applied to 90x35mm f5 studs at 450 600mm centres on the occupancy side of 110mm brick veneer wall. I ve managed to track down a document from thinkbrick co nz which shows two way ratings for various constructions but there s no information about testing or data sources hoping to not have to just use a james hardie jhetgj system with brick veneer on top. For untested wall assemblies procedures are presented for calculating a fire resistance rating. Fire hazard categories 1 and 2 4.
U418 and u425 vary in rating between ã to 2 hours and are brick veneer drainage walls with steel studs and gypsum sheathing and wallboard. A nominal 4 in. Item 2417850 model 6012060755. 102 mm brick wythe alone provides a 1 hr fire resistance rating for the exterior surface of the wall.
Stud height not exceeding 3 0m spaced max. Fire resistance ratings of several brick masonry wall assemblies tested using astm e119 procedures are listed. Figure 2 anchored brick veneer.