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Construction Details

Hourly Assemblies

 

We have provided drawings and construction details for exterior bearing and nonbearing walls requiring a fire-resistance rating to assist users of Pyro-Guard® fire-retardant-treated lumber and plywood.  The drawings and construction details for 2-hr rated walls are based on assemblies listed by UL and the Gypsum Association.  For 1-hr. walls the component additive method in Section 721.6 and the construction requirements in the International Building Code were used.  Questions should be directed to 1 (800) TEC-WOOD (832-9663).

 

2 Hour FR Rated Exterior Wall Assembly .dcd .dwg .dxf .jpg .pdf Construction Details (.doc) Construction Details (.pdf)
2 Hour FR Rated Exterior Wall Assembly (Interior Side Only) .dcd .dwg .dxf .jpg .pdf Construction Details (.doc) Construction Details (.pdf)
1 Hour FR Rated Exterior Wall Assembly .dcd .dwg .dxf .jpg .pdf Construction Details (.doc) Construction Details (.pdf)
1 Hour FR Rated Exterior Wall Assembly (Interior Side Only) .dcd .dwg .dxf .jpg .pdf Construction Details (.doc) Construction Details (.pdf)
A recent test at UL has resulted in a unique listing for a 2-hour fire-resistance rated bearing wall assembly of Pyro-Guard fire-retardant-treated lumber and Pyro-Guard fire-retardant-treated plywood.  This new listing, UL Design No. V314, covers the vast majority of structure exposures providing an alternative to those designers wanting an UL Design number.
 
You can read more about UL Design No. V314 at UL's Website.

 

 

 

 

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Contact

  • Sales: 1.800.531.5558
  • Tech: 1.800.TEC.WOOD
  • Email


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