Fire Rating Brick Veneer

A 1 hour fire rating and a 2 veneer with a 1 air space for a 2 hour fire rating.
Fire rating brick veneer. Jan 8 2016 1 it appears to me that per ibc 2012 table 722 4 1 1 a layer of normal 3 5 8 thick solid brick would have more than 1 hour rating by itself. 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. Fire resistance ratings of several brick masonry wall assemblies tested using astm e119 procedures are listed.
Does anyone know why many ul wall assemblies. For further information on fire resistance of brick see technical notes 16 and 16b. U902 consists of a drainage wall with brick veneer and concrete masonry units and has a 4 hour rating. Fire resistance of brick masonry.
102 mm brick wythe alone provides a 1 hr fire resistance rating for the exterior surface of the wall. Frame exterior walls of wood brick veneer stone veneer wood ironclad or stucco on wood. Fire hazard categories 1 and 2 4. Presents information about the fire resistance of brick masonry assemblies in loadbearing and veneer applications.
The combustible wood stud must be protected from fire on each side by noncombustible materials that meet the required fire rating. 100 mm nominal brick wythe provides a fire rating. Start date jan 8 2016. Stud height not exceeding 3 0m spaced max.
Rob holland robert holland june 12 2018 11 06pm 1. The six iso clm building construction categories and the associated iso construction codes from the least fire resistive category to the most fire resistive category are as follows. A nominal 4 in. Joined sep 29 2015 messages 23 location allen tx.
Maximum permissible loads per stud are. For further information on fire resistance of brick see technical notes 16. Fire rating of brick veneer wall systems. Brick veneer wall assemblies can attain fire ratings.
Light roof 4kn heavy roof 6kn lower storey 9kn design note tb3 fire resistant ratings february 2011 procedure 1. Brick masonry has superior fire resistance. Just wondering if anyone has any fire rating info for brick veneer wall systems. U902 consists of a drainage wall with brick veneer and concrete masonry units and has a 4 hour rating.
Figure 2 anchored brick veneer. Table 720 1 2 of the international building code item numbers 1 1 1 through 1 2 1 can also be used to determine the minimum equivalent thickness for brick to achieve a fire rating from 1 to 4 hours. 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.