As a policy we will not fasten to sheeting alone as some may be less then 1/2" thick. In the event that we do need to locate a mount where there is not material we have installed blocking either from below or above. Tile is the easest to add blocking if needed, comp is more involved. Jerry On Apr 28, 2015 11:14 AM, <will...@millersolar.com> wrote:
> Friends: > > > > I’d like to bring up the subject of fastening roof mounts directly to roof > sheeting. We have occasionally a need to do a roof mount on tile or comp > roofs where we cannot guarantee finding rafters in a useable locations. We > researched this in 2013. > > > > We discovered the DPW EZ feet product. When we researched further, the > manufacturer of the screws being used told us that the screw had not been > tested with standard roof sheeting materials. The need has occurred again > and we want to renew our search for options. > > > > Are there any direct-to-sheeting attachment options that have been > certified for suitability in North America? > > > > Thanks in advance. > > > > William Miller > > > > > > [image: Gradient Cap_mini] > Lic 773985 > millersolar.com <http://www.millersolar.com/> > 805-438-5600 > > > > _______________________________________________ > List sponsored by Redwood Alliance > > List Address: RE-wrenches@lists.re-wrenches.org > > Change listserver email address & settings: > http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org > > List-Archive: > http://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/maillist.html > > List rules & etiquette: > www.re-wrenches.org/etiquette.htm > > Check out or update participant bios: > www.members.re-wrenches.org > > >
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