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I am trying to find a fire stop detail on a 4" metal dryer vent entering a 1hr rated wall and traveling down the inside of the wall to a rated box. anyone have any ideas?. I have tried hilti and...

i have a 2 story building with separate tennants. i have split system on 1st floor that has o/a and ex. that travels thru floor and in a coreboard 1 1/2 hr. fire wall. my inspector is telling me i...

anyone up on codes for open chase coreboard rated fire dampers? orange county,fl.:eek:

anyone familiar with open chase and core-board fire damper codes in orange county,fl.?:o

i thought he was talking about a simple house !! no reason to put much thought in something so easy

400 sq.ft per ton

there is nothing wrong with having nothing to say unless you insist on saying it:)

i multitasked that conversation and stayed on topic !!!! it can happen

lots happened here while i slept...worked at advanced mech. exactly 1 year ago. but made good money while there. my new job of 1 year has been more profatable and no travel envolved.what a nice day...

lots of systems use grill on duct techniq. its good however to have a non-deflecting damper though. and air flow and noise might be stronger if its to close to the unit itself, and the same is true...

i worked there 1 year and yess the owners name is jerry. it was an experance at the least. the company had 6 installers when i started and 2 when i left. service was well on its way to mayham to say...

good job edd... your all over it

worked there and i can vouch for that. and other crazy antics

energy air:)

400 cfm per ton

tru to dat

the idea is to protect it from being duplacated. you need to apply for utility patent as well as design patent, that will insure replacation

i know of a great company with lots of work if willing to work. and there in central and tampa area.

its been my exp. to find that its not the coil that you should be worried about, and in fact its been the maintance that revolves around the coil. you should examine your options in the filtering...

As a pattent holder i strongly recomend that you secure your invention by mailing yourself the contents and it's function on a notarized paper and list date of concevement. Do not open this letter...