Ul 2 Hour Fire Rated Wall Assemblies

Step by step instructions on locating through penetration firestop system certifications.

Ul 2 hour fire rated wall assemblies. U350 with lp flameblock installed between the stud walls updated december 2010 4. These assemblies need to meet fire and smoke safety and environmental sustainability requirements. For example for an 8 in. 203 mm limestone aggregate concrete masonry wall with a maximum control joint width of in.

These wall assembly files are used for planning and estimation purposes for many ul wall types such as fire rated wall assemblies. To confine and isolate fire within a zone comprised of fire resistance rated walls ceiling and floor assemblies. Engineering evaluation ul u350 townhouse party wall and u338 attic fire separation staggered and matching floor height updated april 2015 3. Descriptions of successfully tested i joist floor as.

Nonbearing wall ratings 1 2 3 or 4 hr. Fire rated assemblies are tested and certified in their entirety. Fire rated wall floor and ceiling assemblies provide the necessary fire and smoke barriers to create compartmentalization during a fire safeguarding against the spread of fire and smoke within a building or to and from a building. 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.

Usg provides resources here for our ul wall assemblies for seamless integration into any construction project. These designs are identified in the ul fire. 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. Step by step instructions on locating rated walls floors beams and columns.

U350 2 hour interior wall assembly updated april 2013 2. Links to joint systems for use in static and dynamic applications. The ratings relate to fire tests designed to determine how quickly fire can raise the temperature to unacceptable levels. 51 mm thickness can be used in the joints of a 4 hour wall.

Stc test report ul design no. 13 mm a 1 in. American softwood lumber standard ps 20. Lp flameblock fire rated osb sheathing is a component of the following code compliant fire rated assemblies.

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. Fire resistance assemblies and products are developed by the design submitter and have been investigated by ul for compliance with. V337 2 hour interior wall assembly ul design no. Table 1 for one hour rated wall assemblies and table 2 for two hour rated wall assemblies.