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A variety of issues can lead to separation of drywall joints in walls and ceilings. Both environmental factors as well as installation and design factors can contribute to situations where gypsum may develop cracks. The issue has become more widespread as homeowners insist on larger rooms and open floor plans that have large clear span areas. By understanding how and why partition separation or ridging and cracking occur, and by following best practices, designers and builders can reduce the risk of unsightly and costly issues with gypsum board and drywall.
This presentation seeks to explain how to correctly apply live loads to the bottom chord of trusses for uninhabitable attics in accordance with IRC Table R301.5 and IBC Table 1607.1 and ASCE 7-10 Table 4-1.
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This report focuses on building code requirements for using fire retardant treated wood (FRTW) in floor/ceiling and roof/ceiling assemblies in Type III building construction.
These are the 2017 Congressional Policy Positions of the Structural Building Components Association.