Brick Veneer Fire Wall

15 9 mm thick gypsum wallboard.

Brick veneer fire wall.

Timber or steel framed walls must be sarked on the outside and clad with 9mm fibre cement or steel sheeting alternatively bushfire resistant timber. Refer to technical notes 16b for further. 19 1 mm less than assembly height. Fire brick is a generic term that encompasses any brick that can withstand repeated heating and cooling at various temperature ranges.

Adhered brick veneer is defined as brick veneer secured and supported through adhesion to an approved bonding material applied over an approved backing. Firebricks are blocks of refractory ceramic materials used to line fireplaces fire boxes and furnaces. 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.

They are different from regular masonry bricks because of their ability to withstand temperatures up to 1 800 degrees fahrenheit. For further information on fire resistance of brick see technical notes 16 and 16b. As such it is an excellent cladding choice to resist or confine fires. 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.

Fire resistance ratings of several brick masonry wall assemblies tested using astm e119 procedures are listed. External walls including gables are required to be of masonry veneer or masonry construction 90mm thick. Presents information about the fire resistance of brick masonry assemblies in loadbearing and veneer applications. U902 consists of a drainage wall with brick veneer and concrete masonry units and has a 4 hour rating.

This is done by extrapolating from known fire resistance periods for a given thickness of wall. Soffits should have a non combustible eaves lining. A brick wall s fire resistance rating can be calculated. 406 mm o c studs cut in.

Since the primary ingredient in brick is clay which is fired to around 20008 f it is a non combustible material. If this combined masonry layer is 13 4 the masonry side of. 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. The chemical composition of dense firebricks is different from that of regular bricks.

51 mm air space. 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. Where the external wall does not extend to the underside of the roof mineral fibre should be included. Made out of non combustible material masonry brick veneer etc.

92 mm wide 1 in. Brick veneer wall assemblies with wood stud backing routinely attain fire ratings of up to 2 hr. Be tested for bushfire resistance to as 1530 8 1. 51 mm thick foamed plastic rigid insulation 2 in.