[RE-wrenches] Pitched EPDM Roof Attachment

[jay peltz]

Hi Carl,

Have you looked at the DPW easy feet.

Very large foot that shouldn't compress the foam.
You may want to use more feet to distribute the load as well.
They may be able to give you some help on the calcs.

jay

peltz power
On Sep 8, 2009, at 1:04 PM, Carl Adams wrote:

> Hello Wrenches,
>
> I have a job on a 3.5/12 pitched rubber roof.  We have 1.5” foam under
> the EPDM, then the steel decking, then the purlins.  Purlin spacing
> supports adequate attachment points for a conventional rail mounted
> system.  I have 2 questions
> 1)	A typical L-foot attachment to the roof would likely compress the
> underlying foam and result in divets at each foot.  What do you
> recommend to disperse the load at the point of attachment
> 2)	What type of screw do you recommend for attaching the L-Feet to  
> the purlins
>
> With Regards
> Carl Adams
> NABCEP Certified Solar PV Installer
> NABCEP Certified Solar Thermal Installer
> SunRock Solar
> Cincinnati, Ohio
> 513.766.6025
> www.sunrocksolar.com
> _______________________________________________
>