Ul 521 Floor Assembly

19 mm thick loose laid o ver the subfloor.

Ul 521 floor assembly.

For the most up to date fire resistance ratings refer to the ul online certifications directory ul l521. Estimated range of acoustical performance is based on laboratory test data of similarly constructed assemblies. Floor topping mixture bearing the ul classification marking as to fire resistance with a minimum compressive strength of 1500 psi. Refer to the ul fire resistance directory for information regarding product orientation and fastening requirements.

M521 november 13 2019 unrestrained assembly rating 2 hr. 32 mm hacker industries inc firm fill scm 400 quiet qurl 60 040 alternate floor mat materials optional floor mat material nom 3 4 in. Finish rating 91 or 98 min. Floor mat materials optional floor mat material nom 1 8 in.

One layer 5 8 thick gypsum board ul type ulix assembly ul design no. See floor and roof topping mixtures ccox category for names of classified companies. Floor topping thickness shall be a min of 1 in. See item 6 this design was evaluated using a load design method other than the.

25mm hacker industries inc type firm fill scm 250 quiet qurl 55 025. Ul standard ul 521 edition 7 standard for heat detectors for fire protective signaling systems edition date. February 19 1999 ansi approved. Floor topping thickness shall be a min of 1 1 4 in.

Use of floor ceiling designs for roof ceiling or reverse. Here we present the components of fire rated ul designs for wood framed floor ceilings and the requirements needed for meeting sound control per section 1207 of the international building code ibc. For the most up to date information or assembly options refer to the ul fire resistance directory. Discover monokote products ul designs thickness and more about floor assemblies.

Ul bxuv guideinfo section iii 19 includes the following. Floor topping thickness shall be a min of 3 4 in. Fire rated assemblies for multifamily floors have a number of requirements as well as options to consider. Floor topping thickness shall be a min of 1 1 2 in.

6mm thick loose laid over the subfloor. 19mm hacker industries inc firm fill scm 125 alternate floor mat materials optional floor mat material nom 1 4 in.