2 Hour Fire Rated Wall Assembly Canada

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.

2 hour fire rated wall assembly canada.

13 mm a 1 in. For example for an 8 in. 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. 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.

There are many ways to meet the requirements for 2 hour fire rated separation walls including foundation to roof masonry walls separating the units. 203 mm limestone aggregate concrete masonry wall with a maximum control joint width of in. Wall assemblies single layer wood stud wall with resilient channels. Descriptions of successfully tested i joist floor as.

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. Use special fiberglass rated for use in firewalls. The ratings relate to fire tests designed to determine how quickly fire can raise the temperature to unacceptable levels.

Rockwall fire rated wall panels consist of a unique rockwool mineral fibre core called conrock with laminated sheet steel permanently bonded to both sides. Table 1 for one hour rated wall assemblies and table 2 for two hour rated wall assemblies. The ratings relate to fire tests designed to determine how quickly fire can raise the temperature to unacceptable levels. 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.

Lumber shall be identified by the grade mark of a lumber grading or inspection agency that has been approved by an accreditation body that complies with the. 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. 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. 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.

American softwood lumber standard ps 20.