[RE-wrenches] Low slope membrane roof attachment

[Jason Szumlanski]

Carl,

In my experience, roofers in our area insist that a manufacturer approved
flashing be used on posts, and for the popular Firestone TPO that means an
8" flashing on small diameter posts. Some roofers have been known to
fabricate custom flashings that are lower, but I'm not sure how that
affects warranty. I've seen others with the boot squashed down, but that
pools up water in the boot.

http://www.firestonebpe.com/en/roofing/ultraply-tpo/products/ultraply-tpo-accessories/flashings

Jason Szumlanski


On Tue, Nov 26, 2013 at 12:05 PM, Carl Adams <swingjunkie at gmail.com> wrote:

> Don,
>
> Thanks for the pointer to SNapNRack.  We like their racking for
> residential systems, but have not used the 4 hole standoff kit.  So on a
> white membrane roof what is used to seal the roof cone flashing to the
> membrane, and what is the height of the roof cone flashing.  It seems the
> cone height will determine the minimum standoff shaft height.
>
> You mentioned you don't use the other hardware.  Are just attaching an
> LFoot to the top of the post?
>
>  With Regards
> Carl Adams  NABCEP 031508-1
> SunRock Solar
>
>
>
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