Brick Veneer Fire Wall

U418 and u425 vary in rating between æ to 2 hours and are brick veneer drainage walls with steel studs and gypsum sheathing and wallboard.

Brick veneer fire wall.

15 9 mm thick gypsum wallboard. Since the primary ingredient in brick is clay which is fired to around 20008 f it is a non combustible material. 102 mm brick wythe alone provides a 1 hr fire resistance rating for the exterior surface of the wall. 41 mm legs 20 gage steel studs spaced 16 in.

A brick wall s fire resistance rating can be calculated. Soffits should have a non combustible eaves lining. 19 1 mm less than assembly height. Brick veneer wall assemblies with wood stud backing routinely attain fire ratings of up to 2 hr.

Where the external wall does not extend to the underside of the roof mineral fibre should be included. Fire brick is a generic term that encompasses any brick that can withstand repeated heating and cooling at various temperature ranges. Be tested for bushfire resistance to as 1530 8 1. Presents information about the fire resistance of brick masonry assemblies in loadbearing and veneer applications.

Made out of non combustible material masonry brick veneer etc. Firebricks are blocks of refractory ceramic materials used to line fireplaces fire boxes and furnaces. If this combined masonry layer is 13 4 the masonry side of. Timber or steel framed walls must be sarked on the outside and clad with 9mm fibre cement or steel sheeting alternatively bushfire resistant timber.

Fire resistance of brick masonry. A nominal 4 in. The most common wall assembly is defined by a facing of thin brick between 1 2 to 11 in thickness applied over a plaster backing. Refer to technical notes 16b for further.

The chemical composition of dense firebricks is different from that of regular bricks. Brick veneer steel stud non loadbearing 1 layer in. Fire resistance ratings of several brick masonry wall assemblies tested using astm e119 procedures are listed. 51 mm thick foamed plastic rigid insulation 2 in.

92 mm wide 1 in. Additionally fire bricks must be able to withstand different atmospheres provide various structural or insulating qualities and due to the difficulty in cutting them must be available in a variety of shapes to add flexibility to kiln design and construction. External walls including gables are required to be of masonry veneer or masonry construction 90mm thick. For further information on fire resistance of brick see technical notes 16 and 16b.

406 mm o c studs cut in. This is done by extrapolating from known fire resistance periods for a given thickness of wall. 51 mm air space. U902 consists of a drainage wall with brick veneer and concrete masonry units and has a 4 hour rating.