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I think I may have found something.....

http://www.gp.com/build/roofboard_densdeck

http://www.usg.com/securock-glass-mat-s ... anels.html

and

http://www.usg.com/securock-glass-mat-roof-board.html

Thanks again for the help!

goose134 wrote:Here is a website that has the ratings for all kinds of assemblies.

THANK YOU THANK YOU THANK YOU!!! You have been most helpful!

Do I a) get modular lighting (but thus reducing the sound conditioning leading to leakage) In ceiling modular lighting such as a "eyeball" fixture"? Personally, no. get fittings that hang off the ceiling (like protected fluorescent tubes)...ugly... How high is your ceiling? I would not do anything ...

I'll have to see if double rock and wood studs is a 2 hour rating. If it is, build it like normal and just double rock with 5/8". I'll be back later with something more definite. Thanks for the help. I don't know if I was clear or not in what the local codes require. Since my building is across the...

goose134 wrote:I hope I'm not missing something here. If you are adding the height for a second story

No second floor. Adding height to the ceiling.

EDIT: Removing duplicate post

Here's a link that backs up the International Building Code's requirement of 2 layers of 5/8" But I know everything has a fire rating. If you've got plaster or existing drywall, let me know and I can do the calculations and find that website! http://www.illinoishistory.gov/ps/upperstory/Files/Upsta...

I need a fire rated roof assembly which has at least a two hour burn thru time.

Ron Obvious wrote:This drawing has been used in a number of studios that I've installed.
http://www.mts.net/~lakemail/drawings.html

OK. This arrangement makes perfect sense. Thank you for sharing!

**two thumbs up**

The wooded area across the street from my new studio/workshop/office location is has burned three times in the last hundred years. Since I do not own the wooded property I have no authority/control over it much less be able to clear the undergrowth and debris that is three feet tall and thick under ...

Chemical grounds simply replace the grounding electrode, which is usually the water pipe. A question since you are a pro electrician. Would a well casing work the same as a water pipe and would it be legal? I have a 250 foot deep well with a nickle-plated steel casing which goes the entire length. ...

The panel also has an isolated ground connection installed with copper rods outside the building. That's illegal. All "grounding" and "grounded" conductors are to be tied together for safety at the point of service. Isolation transformers to derive a "new neutral" which is separate from the serivce...

Equipment designed for 208 volts does not generally like 240 - and equipment designed for 240 will not appreciate 208........ Your power design should be based on the equipment you are connecting to it - especially when you already own the equipment.......... Thanks for the reply Rod. I just ordere...

The building is being gutted to the exterior walls and roof and everything inside floor to ceiling is being built from new including all electric wiring back to the pole ground rods and all. Since the building is zoned commercial I can not put in a full kitchen without jumping through some major hur...