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.
2 hour fire rated wall assembly canada.
Table 1 for one hour rated wall assemblies and table 2 for two hour rated wall assemblies.
Wall assemblies single layer wood stud wall with resilient channels.
An increasingly common and popular method is the gypsum area separation wall which consists of individual stud framed walls filled with fiberglass insulation for each housing unit which are separated by a special construction that consists of.
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 thickness respectively.
Manufactured in canada and contains a minimum of 70 per cent recycled content the highest recycled content in the industry.
25 mm thickness measured perpendicular to the face of the wall of ceramic fiber in the joint can be used in walls with fire resistance ratings up to 3 hours while a 2 in.
Mount a 1 1 2 inch fiberglass barrier inside the studs.
For example for an 8 in.
Use special fiberglass rated for use in firewalls.
American softwood lumber standard ps 20.
The ulc listed design oxxx in figure 1 is an example of a specific assembly tested to the requirements for a fire resistant design by ulc for conformity with nbc when implemented in the construction exactly as it is laid out in the design s description it will provide a one hour fire resistance rating the supporting data has been collected based on the required testing standards.
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 incorporating the product or any given piece of the product.
There are many ways to meet the requirements for 2 hour fire rated separation walls including foundation to roof masonry walls separating the units.
Wall floor assembly guide insulation for sound fire rated assemblies.
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.
Use steel studs and two layers of 1 2 inch type c drywall on each side of the studs for a two hour fire rating on an interior wall.
51 mm thickness can be used in the joints of a 4 hour wall.
Descriptions of successfully tested i joist floor as.
The ratings relate to fire tests designed to determine how quickly fire can raise the temperature to unacceptable levels.
The ratings relate to fire tests designed to determine how quickly fire can raise the temperature to unacceptable levels.
203 mm limestone aggregate concrete masonry wall with a maximum control joint width of in.
