Engineering Center

I am looking for the correct installation regarding 1 1/2"Copper piping penetrating through a horizontal shaft wall ceiling for a 2 hr rated shaft wall.

Are power-actuated fasteners the same as powder-actuated fasteners? I have a job site that does not permit the use of "Powder"-actuated fasteners

I am looking for Hilti UL assembly that lets the attached Med gas Zone Valve box be installed in 1 hr and 2 hr rated walls for Hospital project.

I am looking for a fastener that I can fasten exterior wood sheathing (3/4" thick) to a HSS tube that is 3/16" thick. This will be exposed, so I need a fastener suitable for exterior use.

Though the Hilti Profis software allows modelling of circular base plates and anchor location in circular pattern, an error message comes up. See attached screen shot

How do I link Risa Connection to Hilti PROFis?

Are there a UL listing or test performed that we can apply intumescent coating on a steel column, that is directly supporting an existing steel beam fireproofed with spray applied fire resistive material? They are not the same structural member, so I would like to know if a test has been performed or an EJ is required.

I have steel beams that support wood floor trusses from the top chord, thereby enclosing the beam inside the wood truss floor/ceiling assembly. According to the code, structural members supporting 2 or more floors must be individually encased. The beam has (2) 2x members on top, so how do you apply fireproofing to the entire b...

What determines the minimum edge distance for a cast-in anchor? if supplementary reinforcing to confine the anchor can be provided can this be waived?

I have a 1-hr shaftwall with multiple penetrations I need UL listings for, There are insulated pipe, uninsulated copper pipe, conduits and fire sprinkler lines.