Wrenches We use tek screws, get them through fastenall even through plywood into the steel. After your done in the attic to verify that you hit just to be safe. We have done pull out tests with great results. Your application may need leaded flashing and standoff's. Jerry On Jun 6, 2016 1:36 PM, "Peter Giroux" <pgir...@mindspring.com> wrote:
> Chad > > I second August. We have had great success with self tapping screws. Put > some butyl on the L-foot and set it in. > > thx > peter > > ----- Original Message ----- > *From:* August Goers <aug...@luminalt.com> > *To:* RE-wrenches <re-wrenches@lists.re-wrenches.org> > *Sent:* Monday, June 06, 2016 6:44 PM > *Subject:* Re: [RE-wrenches] Steel Trusses > > Hi Chad, > > > > We’ve occasionally installed onto steel trusses with either self drilling > screws (no pilot required) or thread forming screws (pilot hole required). > See attached sample spec sheets. > > > > I suppose you could install a standard tile hook type product with the > types of fasters I listed above. Or, hire a roofer to waterproof your > stanchions and reinstall the removed tiles. More and more, we are moving > towards the latter because we’ve bumped into issues with degrading > underlayment (felt paper) under tile roofs. > > > > Best, > > > > August > > Luminalt > > > > *From:* RE-wrenches [mailto:re-wrenches-boun...@lists.re-wrenches.org] *On > Behalf Of *Chad Waits > *Sent:* Monday, June 06, 2016 3:15 PM > *To:* RE-wrenches > *Subject:* [RE-wrenches] Steel Trusses > > > > Wrenches, > > > > Anyone out there have any experience attaching arrays (from the topside) > to roofs with steel trusses under plywood decking? We’ve got a new project > that has steel trusses and we would prefer to not have to spend time in the > attic bolting through (it was 113 degrees here today)… Is there a > fastening system out there that anyone has experience with? > > > > Oh, the roof is composite/strengthened clay tile as well. > > > > Thanks! > > > > Chad Waits > > President/Owner – Net Zero Solar > > 101 W. 5th St., Tucson, AZ 85705 > > Office: 520-207-4053 > > Cell: 520-270-4873 > > NABCEP Certified PV Installation Professional > > NABCEP Certified Solar Heating Installer > > > > > > ------------------------------ > > _______________________________________________ > 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 > > > _______________________________________________ > 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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