Drywalling code

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Posted by: from Bradford
6/26/2017 at 4:41:24 PM

We are closing off a 4'x8' door way between two commercial office spaces as we have sold two of our three units. It is an inside wall. Do we have to use 5/8 dry wall or is 1/2 okay? Is there some building code that mandates this?

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Date/Time6/26/2017 at 5:12:38 PM

Hi Joanne,

You need to find out if the rest of wall is 5/8 or 1/2 inch to match up.

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Joanne in Bradford
Date/Time6/26/2017 at 5:16:23 PM

I just want to know if it is code that we have to use 5/8th in that small space?

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Date/Time6/26/2017 at 5:25:21 PM


Code between two commercial area's is 5/8" fire rated drywall. Not simply 5/8".

Hope this helps.


James Fram

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Date/Time6/26/2017 at 6:43:28 PM

The code for commercial divided walls is, 5/8" fire rate,d at least 60 minutes.

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Henry from Rcgcreno in Toronto
Date/Time6/26/2017 at 7:46:39 PM

Any commercial unit need to be 5/8 under code for 2hour fire rating that is the code requirements for Ontario.

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Danny from D&J Interiors Inc in Brampton
Date/Time6/27/2017 at 9:10:35 AM

The closing is a little tricky look at what is existing wall cavity metal studs or block wall you need fire code drywall or cement block wall to close opening.

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Date/Time6/28/2017 at 4:53:02 PM

5/8 and steel studs.

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