What about using the UNIRAC rapidfoot? Thank you,
Maverick Maverick Brown BSEET, NABCEP Certified Solar PV Installer ® President & CEO Maverick Solar Enterprises, Inc. Office: 512-919-4493 Cell: 512-460-9825 Sent from an iPhone. On Jul 19, 2010, at 8:59 AM, <[email protected]> wrote: > For residential install with the spray foam insulation > > Underside of deck has 12"+ of foam.....no way to accurately locate rafter > there.....hammer and ear also out of the question...........don't think any > of the stud finders will work....been told that peeling back shingles to > locate rafter is only accurate way.......would like to avoid that if > possible..........any suggestions? > > Holt E. Kelly > Holtek Fireplace & Solar Products > 500 Jewell Dr. > Waco TX. 76712 > 254-751-9111 > www.holteksolar.com > > ----- Original Message ----- From: "Ken Schaal" <[email protected]> > To: "RE-wrenches" <[email protected]> > Sent: Sunday, July 18, 2010 8:25 PM > Subject: Re: [RE-wrenches] Slate roof strategies > > >> During the 80's we installed several SHW jobs on slate, one with 8 - 4x10 >> collectors. It continues to be leak free. >> The key thing to remember is that it is NOT the slate that keeps the water >> out, it is the tar paper underneath the slate. Here in Va. the paper is good >> for about 100 years before it dries out and deteriorates to the point where >> it can break up from wind storms. Then any wind driven rain can lead to >> leaks. >> Of course , there are differing grades of tar paper----------- >> >> For mounts to be water tight, the typical technique is to remove a slate >> with a slaters tool to remove the 2 nails holding the slate. Then slide a >> sheet of copper under >> the tar paper shingle fashion--also a good time to check the tar paper to >> see what condition it is in-- so that there is a durable material to seal >> to.Then L feet can be installed with black silicone in the lag hole and >> under the foot, oozing out all around, especially on the uphill side, and >> smooth over to seal the top edge. Snug the lag but do not tighten >> excessively ! We want to maintain a silicone pad. >> For those that need the security of a boot, it can be installed in >> conjunction with the copper flashing. A decorative piece of slate can even >> be installed by cutting a strip or 2 of copper strap that is fastened under >> the boot, or inserted into or under the main flashing, nailed with a copper >> nail and some silicone, extending below the bottom of the slate, and then >> bent up and over the bottom of the slate, making a durable hook. Remember, >> all the slate does is look good and protect the tar paper from UV rays. >> >> Anytime a plumbing boot is installed, it is best if its inserted into or >> under the roofing material, not just caulked on top of the roofing. >> >> I wouldn't use the' hole saw thru the slate' ------------ >> >> Ken Schaal >> CommonWealth Solar ----slate roof territory >> >> >> >> >> >> ----- Original Message ----- From: "Mick Abraham" <[email protected]> >> To: "RE-wrenches" <[email protected]> >> Sent: Sunday, July 18, 2010 4:35 PM >> Subject: Re: [RE-wrenches] Slate roof strategies >> >> >> Hi, Drake~ Consider this item: >> >> http://www.sunslates.net/ >> >> These are sized to match Eternit brand slates. I know very little else >> about this...but if you have a different size of slates... thinking... >> somebody else is out there with other sizes. >> >> OpenEnergy is a brand you might do well to search out, and friend >> Brian on this list with Eagle Roofing may have other suggestions. >> >> The "holesaw through the slate" idea sounds to me like it would >> ultimately rely on a caulked seal between the Oatey flashing and the >> slate upon which it rests. That sounds risky for what is probably a >> high end roof with a high end structure beneath. >> >> Jolliness, >> >> Mick Abraham, Proprietor >> www.abrahamsolar.com >> >> Voice: 970-731-4675 >> >> >> >> On Sun, Jul 18, 2010 at 2:19 PM, Drake Chamberlin >> <[email protected]> wrote: >>> Hi Wrenches, >>> >>> There was a strategy mentioned for slate roofs recently. Removing the slate >>> under the array area and replacing with decking and shingles would certainly >>> work. That might be the best solution. >>> >>> There are two potential problems however. >>> >>> It would cost a fair amount to replace that portion of the roof >>> My slate roof guy estimates that the existing rock is good for another >>> hundred years with a little maintenance. The slate is an incredible roofing >>> material, and it would be a shame to scrap it. >>> >>> One strategy that might work would be to take a diamond hole saw and cut >>> circles of slate out, over the rafters, to screw standoffs directly to the >>> rafters. Then an Oatey flashing could go over the standoff. >>> >>> Any feedback as to the viability of this method would be appreciated. >>> >>> Thanks, >>> >>> Drake Chamberlin >>> Athens Electric >>> OH License 44810 >>> CO License 3773 >>> NABCEP TM Certified PV Installer >>> Office - 740-448-7328 >>> Mobile - 740-856-9648 >>> >>> _______________________________________________ >>> List sponsored by Home Power magazine >>> >>> List Address: [email protected] >>> >>> Options & settings: >>> http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org >>> >>> List-Archive: >>> http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org >>> >>> List rules & etiquette: >>> www.re-wrenches.org/etiquette.htm >>> >>> Check out participant bios: >>> www.members.re-wrenches.org >>> >>> >>> >> _______________________________________________ >> List sponsored by Home Power magazine >> >> List Address: [email protected] >> >> Options & settings: >> http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org >> >> List-Archive: >> http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org >> >> List rules & etiquette: >> www.re-wrenches.org/etiquette.htm >> >> Check out participant bios: >> www.members.re-wrenches.org >> >> >> >> -------------------------------------------------------------------------------- >> >> >> >> No virus found in this incoming message. >> Checked by AVG - www.avg.com >> Version: 9.0.839 / Virus Database: 271.1.1/3013 - Release Date: 07/18/10 >> 02:35:00 >> >> _______________________________________________ >> List sponsored by Home Power magazine >> >> List Address: [email protected] >> >> Options & settings: >> http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org >> >> List-Archive: >> http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org >> >> List rules & etiquette: >> www.re-wrenches.org/etiquette.htm >> >> Check out participant bios: >> www.members.re-wrenches.org > > _______________________________________________ > List sponsored by Home Power magazine > > List Address: [email protected] > > Options & settings: > http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org > > List-Archive: > http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org > > List rules & etiquette: > www.re-wrenches.org/etiquette.htm > > Check out participant bios: > www.members.re-wrenches.org > _______________________________________________ List sponsored by Home Power magazine List Address: [email protected] Options & settings: http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org List-Archive: http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org List rules & etiquette: www.re-wrenches.org/etiquette.htm Check out participant bios: www.members.re-wrenches.org

