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what is the fire code for horizontal direct vent connectors?

Question asked by Steven Hebert on Jan 17, 2018
Latest reply on Jan 18, 2018 by cda cda

The code for chimneys for gas fireplaces says the chimney going floor to floor over 4 stories must be in a two hour wall. What about horizontal? When the vent leaves the fireplace and connects to the riser the code does not spell out if the horizontal portion has to be rated. I know fire wrap is not legal is there any other wrap that is? Also the installation instructions say no insulation should cover the pipe. Does this mean calcium silicate is not legal?

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