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gypsum baord

  1. indyarchyguy

    3 Hour Firewall Cracking

    A project that was constructed approximately 18 months ago in Indiana (2012 IBC with 2014 amendments). A warehouse has 3-hour firewalls that sit on top of a concrete curb of approximately 12-inch height from the top of the floor. The walls have started cracking in three different locations (see...
  2. S

    membrane / sheathing

    In Ontario building code, "membrane" and "sheathing" are used thousands of times. When we are saying membrane in every day life, it means a thin sheet, like paper or wrapping sheet, while in OBC, a sheet of "gypsum board" can be called "gypsum board membrane", see OBC SB-2 2.3.4.(1). My...
    • sunyaer
    • Thread
    • gypsum baord membrane penetration obc sheetrock
    • Replies: 16
    • Forum: Canada
  3. M

    Gyp Board Extending 6" above T-Bar Clg - Code?

    Hope you are all doing well out there, we are still stuck at work as boss feels the health situation is overblown. I ran into a situation where a contractor/client want to know specifically why and if required by code the Gypsum Board on a non-bearing interior stud wall must extend 6" above the...
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