If the UL Wall Design (assembly) does not specify that the fire resistance-rating is from interior or exterior, does that mean it is rated for fire exposure from both sides?
November 4, 2021
If the UL Wall Design (assembly) does not specify that the fire resistance-rating is from interior or exterior, does that mean it is rated for fire exposure from both sides?
March 26, 2021
How does the cross bracing get installed in a wall assembly when the Design specifies “Cross braced at mid-height” ?
April 8, 2020
What is a “Finish Rating” found on some fire-rated assemblies?
April 8, 2020
What does an * (asterisk) mean when its denoted next to a product specified in a UL Design
January 18, 2020
What is the difference between a “Restrained” and “Unrestrained” rating?
January 18, 2020
Are there any tested floor-ceiling or roof-ceiling designs that specify a wood joist (2×10, “I”-shaped or parallel chord) that incorporate a wood beam (like an LVL) or steel beam?
January 18, 2020
Understanding the Contents of a Tested Design
January 18, 2020
Why are dampers and exhaust fans specified in some designs and not others?
January 18, 2020
I need designs that include wood joist 2 x 8’s and 2 x 10’s. Can you help?
January 17, 2020
Why can’t I find a design? What happened to the design I used to specify?
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