Engineering Center

I am looking for a product that will achieve a 1 hour rating for steel stair with precast treads/risers!

Hi, I am looking for a rated connection detail for an exterior 2 hour wall that is continuous past metal roof joists. The roof is unrated.

Hello, I'm looking for fire resistant joint systems for a wood beam that runs mid-height along a rated wall. See attached sketch. Are you aware of any similar systems or engineering judgements? Thank you.

Hello. I am looking for a UL listing for a 1-hr or 2-hr penetrations through a concrete SOMD that can only be accessed from below. The deck is a minimum of 3 1/4 thick at the high fluted section made up of lightweight concrete. Is there a UL listing that can used to maintain a rating for a cast iron pipe going through this sla...

Need help specifying spray on paint product to yield 1 hour protection for exterior single story exposed steel shade canopy. Type IIB unrated wide flange steel column and beam construction with metal deck roofing. Need product which will aesthetically be as thin as possible to keep the steel looking sort of like steel - Ie. ...

I need to provide 1-hour fire protection of a steel beam supporting a non-rated metal roof deck. Would prefer to use intumescent paint. Is there an approved detail for this condition?

The project scope of work is to install a new one-hour fire rated ceiling assembly, UL i504, on an existing corridor. The existing corridor walls are low walls 12 above ceiling height, and the existing wall assembly is 3/4 plaster over metal lath (each side of wall) over black iron stud framing. The intent is to provide a one-...

Is there a product that can create a rated horizontal assembly from a steel deck? We originally had a concrete topper above the steel deck at the top of our elevator shaft but due to structural concerns that concrete must be removed.

Hello! Please reference image attached, typical of multiple penetrations through a UL Design U419 metal stud partition - 1Hr. What fire stop system would Hilti recommend for this condition?

Hi, Im working on a project that required part to meet the Buy America Act. I'd like to make sure that the KWIK Bolt TZ and KH-EZ 1 meet this? Thank you