Minimum gap between top of flue and chimney cap

[Wiskevin]

Hello,

Is there a minimum clearance between the top of the flexible flue liner and the bottom of the rain cap? I currently have about 5 inches, but could trim down the coupling portion of the top plate (even though it is called bottom plate on the website - it is what the supplier recommended - (broken link removed to https://www.lindemannchimneysupply.com/Ventinox-DuraFlex-Bottom-Plate)). I also reused the existing rain cap, as I am not sure the one I purchased is any taller

The photo does not show it too well, but I'm not hoping on the snowy roof today.

 

[fire_man]

You might find this old thread helpful. Sounds like 5" clearance is fine.

Space between Chimney Pipe and Cap

Is there a certain distance there has to be between the exit pipe at the top of the chimney and the rain cap? We just installed a englander insert with insulated 6" chimney pipe. There was a ran cap already on the chimney that covers the fireplace and oil furnace exhaust and i like the look of...

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