We are looking for a detail for a PVC pipe penetration through a UL L-528 horizontal assembly (wood truss). The pipe is larger than 2 diameter, but not more than 4. It is within the wall cavity …

Results for "ul 1213" Questions. Articles. Need detail for UL 438 and UL 905. I need the UL listing for FS ...

I'm looking for a UL assembly to provide a 2 hour rating for a pinched header on an exterior masonry load bearing wall.

We are enclosing an energy storage system (UPS) room in an existing building. It requires a 2-hr separation to protect the building occupants. The room is the fire side, below the ceiling. Using …

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Existing building. Need vertical joint (wall to wall) detail similar to UL CJ-D-0040 for head or wall

Further questions on the construction requirements for this assembly would be best directed to UL. However, if you have questions on the Hilti Fire Finish 120 CFP-SP WB steel protection …

UL N636 is what I need but with a solid 4 concrete floor (no steel deck). I don't see any UL ratings for intumescent on beams without metal deck. UL rating for intumescent on beam - firestop, …

I need to provide a horizontal rating at the floor line for 2 slab openings with several pipes within them. Floor construction UL #D925 3-1/4” lightweight concrete slab on 3” metal deck. Opening …

We do not have a UL system that exactly matches this condition. We would need to do an engineering judgement to provide a one-sided solution. We have UL system HW-D-0218 but it …