I second Andy's idea, using an existing penetration, if possible: For example, my cable TV coax runs out an existing attic "whirly" vent penetration, between the vent's base (flashing) and the roof sheathing. The cable travels under the surrounding shingle then exits towards a strain relief at a nearby eave/soffit, and then to the power pole.
73, Gus KG5OFB On Thu, May 7, 2020 at 4:46 AM Andy via BVARC <[email protected]> wrote: > When my roof was replaced about 20 years ago, the roofers had to > accommodate all of my cables to my ham-satellite antennas (10M – 13cm). > They just put them under the nearest shingles, and up to the antennas. It > has never leaked, looks professional, and I have had no issues. Some of the > coax cables may be getting old. I will just pull them out and feed new ones > through the vacated hole(s). There is a sealing product that I have used > called “Through The Roof”. It has done well on the holes in the garage roof > caused by the basketball goal that is no longer needed by the “kids”. I > plan to use it when I swap out some coax cables. > > > > My other story is how I put the azimuth rotator for my Hamsat antennas on > the floor of the attic, and rotate it through the roof, with no leaks or > issues… > > > > Andy W5ACM > > > > *From:* BVARC [mailto:[email protected]] *On Behalf Of *David Hold > via BVARC > *Sent:* Wednesday, May 06, 2020 2:52 PM > *To:* BRAZOS VALLEY AMATEUR RADIO CLUB <[email protected]> > *Cc:* David Hold <[email protected]>; Mark Brantana < > [email protected]> > *Subject:* Re: [BVARC] Running Cables through the Roof > > > > Try what roofers call an air hawk > > Not have to worry about unsupported pipe penetration > > > > > > On Wed, May 6, 2020 at 2:44 PM Mark Brantana via BVARC <[email protected]> > wrote: > > I am looking for a shorter route and neater route to install my antenna on > my roof. Currently, I have a TV antenna running though the eaves and > stringing over the the gutter up to the antenna mounted on my chimney. It > does not look very good. > > > > I got the following idea from a posting a month or so ago on this > listserver, but cannot recall who posted it: > > > > *I want to add a ham antenna and I am thinking of running a piece of > 1.5”-2" roof pipe flashing with a gooseneck facing down to keep the weather > out.* This way: > > - I should be able to add whatever cables I want, > - it will save me probably 30 ft of cable. > - there would be less visible cable on my roof. > > > - And I can add future cables very easily by just poking it up through > this pipe. > > > > It does mean I need to cut a hole through the roof, but I have other > flashing and vents on the roof, and they don’t leak. > > > > I have not been able to find a satisfactory flashing product, since it has > to hold the pipe rigid. Most are meant for pvc vent access, where the pipe > is supported inside. > > Does anyone have any experience with this kind of flashing and how can I > find it? > > Mark > N5PRD > > ________________________________________________ > Brazos Valley Amateur Radio Club > > BVARC mailing list > [email protected] > http://mail.bvarc.org/mailman/listinfo/bvarc_bvarc.org > > -- > > David Hold [email protected] > ________________________________________________ > Brazos Valley Amateur Radio Club > > BVARC mailing list > [email protected] > http://mail.bvarc.org/mailman/listinfo/bvarc_bvarc.org >
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