I saw a "Retrofit (Wrap-Around) Dektite" flashing in a recent Dynamic Fastener catalog just before reading this post. It looks like it would work for replacing a flashing around a continuous pipe.
Randy Brooks Brooks Solar, Inc. Solar Power for People 140 Columbia View Chelan, WA 98816 509-682-9646 ra...@brookssolar.com www.BrooksSolar.com On Jun 9, 2010, at 10:35 AM, Bill Loesch wrote: > The coolie caps are really just regular (oversized) caps which have been > punched out to snugly accommodate the pipe to be sealed. Tom Lane's book, > Solar Hot Water Systems, Lessons Learned ..., addresses this sealing method > and many more. AET Solar in Jacksonville, FL stocks this item as well as > almost anything solar thermal you could want. > > One solution for exposed rubber or (more precisely) the filler bushing seal > on the combination metal / flexible insert seal Oatey style flashings is > paint. One meticulous homeowner had done that on his '80's vintage system and > the flexibility of the seal was just like new. He identified it as latex > paint. I would want to be very sure that whatever I used on that flexible > material was compatible for many many years since unlike a typical plumbing > flashing which can be relatively easily replaced by simply inserting the seal > over the end of the vent, the loop of pipe, common with SDHW does not allow > that luxury. > > Bill Loesch > Solar 1 - Saint Louis Solar > ----- Original Message ----- > From: Nik Ponzio > To: RE-wrenches > Sent: Wednesday, June 09, 2010 10:05 AM > Subject: Re: [RE-wrenches] solar hot water penetration flashing > > This is an on-going problem, apparently. We were getting the coolie cap > fittings from EFI but they got out of the solar business recently. > > Does anyone have a source for these now? > > Thanks in advance. > > > -- > Nicholas Ponzio > NABCEP Certified Photovoltaic Installer > > Building Energy > 1570 South Brownell Road > Williston, VT 05495 > t: 802-859-3384 x15 > f: 802-658-3982 > c: 802-365-1973 > www.BuildingEnergyVT.com > > > On Wed, Dec 10, 2008 at 9:24 PM, Karl Schwingel <k...@northwindrenewable.com> > wrote: > I use similar boots, and design the penetration so the insulation and wrap ( > we use aluminum) nearly cover the whole boot by the time you're all done. > you're left with about 1/2" of boot showing all the way around. > where can I get the coolie cap style brazed copper flashings? > > karl > > Todd Cory wrote: > I use accordion style rubber boots. These are typically attached to the > roofing with a bead of silicone underneath and gasketed metal roofing screws > on top. These are made for all kinds of metal roof penetrations and I have > even seen them used for 6" metalbestos stove flues. One note of caution, the > orange "high temperature" ones are (I think) rated only to 180 degrees F. so > you want to make sure the SHW fluid never exceeds this. Also in time, like > any rubber flashing on a roof the rubber will deteriorate from UV. I build a > show shed over my system's plumbing which shades it so hopefully this will > not be in issue in ~20 years. > > Todd > > > > > troy Harvey wrote: > Any thoughts on how to flash a copper pipe roof penetration on a metal roof. > The brazed copper flashing we typically use would cause corrosion with the > steel roof I'm afraid. WHat have others used in this situation? > > Troy Harvey > --------------------- > Heliocentric > 801-453-9434 > tahar...@heliocentric.org <mailto:tahar...@heliocentric.org> > > > ------------------------------------------------------------------------ > > > _______________________________________________ > List sponsored by Home Power magazine > > List Address: RE-wrenches@lists.re-wrenches.org > > 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 > > > > -- > Karl Schwingel > NABCEP Certified Solar Thermal Installer > NorthWind Renewable Energy LLC > > PO Box 723 Stevens Point, WI 54481 > k...@northwindre.com > Cell: 715 209 0446 > Fax : 715 952 4501 > > > This e-mail message is confidential, is intended only for the named > recipient(s) above, and may contain information that is privileged or > exempt from disclosure under applicable law. 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