Tempered Glass Question

 
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Old 07-16-2010, 09:31 PM   #1
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Tempered Glass Question


it is required if the glass is less than 18 inches from the ground.. then it states its not required if it is less than 3 square feet.
so,if its less then 18 inches from the ground but less than three square feet,its not required? any help would be appreciated.
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Old 07-16-2010, 09:58 PM   #2
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Re: Tempered Glass Question


where are you located?

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Old 07-17-2010, 07:11 AM   #3
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Re: Tempered Glass Question


i think its 9 sq feet. s if the glass itself is less than 18" above the ground we need tempered but what if (at the same time)the glass area is lless than 9 sq feet?
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Old 07-17-2010, 07:45 AM   #4
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Re: Tempered Glass Question


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Originally Posted by davinci View Post
i think its 9 sq feet. s if the glass itself is less than 18" above the ground we need tempered but what if (at the same time)the glass area is lless than 9 sq feet?
Less than 18" always use the tempered. Not worth the bother to argue with the inspector.
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Old 07-17-2010, 07:50 AM   #5
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Re: Tempered Glass Question


ok,here's the deal with tempered. if the glass area is less than 18" from the ground you need it. however,if at the same time the glass area is less than 9 square feet then you don't need it. its very vague at this point and its sometimes open to interpretation. situations like this warrant a call to the local building inspector.
now,if someone has a window inside their shower or bath area,it obviously needs to be tempered. you could also get it frosted athough you may upset the local "peeping tom".
within 24" of a door you need it..it may actually be 36" but i will check.
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Old 07-17-2010, 07:54 AM   #6
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Re: Tempered Glass Question


it is 24" also the 18" part of it; gotta check if its the glass or the actual sill/stool.
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Old 07-18-2010, 11:12 AM   #7
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Re: Tempered Glass Question


You will need to chec k with your local Building Inspector. Codes vary by location.

Here, we need tempered glass within 3 foot of an exterior door for security in addition to low mounted windows.
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Old 07-18-2010, 12:12 PM   #8
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Re: Tempered Glass Question


Quote:
Originally Posted by davinci View Post
it is required if the glass is less than 18 inches from the ground.. then it states its not required if it is less than 3 square feet.
so,if its less then 18 inches from the ground but less than three square feet,its not required? any help would be appreciated.
It wouldnt need to be tempered.

The code says in #7 of Hazardlous location conditions that safety glass be used when all all situations are met----1 through whatever.......lower edge 18 or less, upper edge greater than 36, 9sqft or greater...bla....bla...bla
Then the very 1st exception says unless a 3" sphere cant pass. So under IRC If a 3" sphere cant pass than reguardless the location its good.

Your local state may have removed that exception so really its best to get that info.
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Old 07-22-2010, 07:37 PM   #9
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Re: Tempered Glass Question


Some local codes use the National standard and then adjust theirs to be a bit more restrictive, requiring safety glass ( tempered or laminated ) where National code may say it's not required. Fairfax county VA. requires safety glass in almost every application.
Just for what it's worth, the price of tempered safety glass costs about another dollar per square foot, cheap insurance.

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