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- 11-10-2006 03:27 PM #21
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If you have any questions about the Commdeck product please e-mail me at rdickerson@rstcenterprises.com I would like your feedback about the products.
Both Commdeck and Retrodeck have been added to the Echostar approved parts list and are Approved by DirecTV and Wildblue.
Thank you,
Ron Dickerson
- 11-10-2006 03:27 PM # ADS
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- 11-11-2006 10:21 PM #22
SatelliteGuys Regular
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I wish they made those for 1 meter dishes, that's pretty cool.
- 11-11-2006 11:21 PM #23
Too bad I didn't take any photos.
A couple a months ago, I made a special mount for a customer for an AT9.
I cut a 2-1/4 inch hole with a hole saw using an extension right next to the rafter, where I was going to place the AT9. Then, I loosely installed a standard neoprene collared aluminun vent pipe flashing ovr the hole.
Under the roof, I placed a 2 inch galvanized commercial line post through the flashing from the bottom. Using slotted angle steel and I braced the post on the rafter and the two adjacent ones, making sure the pole was plumb.
Outside, I fastened the flashing and sealed it in the prescrobed way.
Then, I mounted the AT9 and rand the coaxes into the attic through the pole.
Then I fastened a FERNCO brand 1-1/2 inch "Tee" to flexible "P" trap om its side. One leg of the "Tee" fastened to the bottom of the pole, while running the coax through the "P" trap and out the drain entry end. This, I sealed with silicone around the cables.
The bottom of the "Tee" went to a piece of 3/4" PVC and to an elbow that I added to the regular vent pipe.
The install is superstrong and leakproof. Any water that enters through the top goes to the plumbing drain. It is a really neat install, too.
This does the same thing as the Commdeck.
If the pole is close to the AC condensate drain, it can go there. It can also go out to the end wall if it is over the flashing of a lower roof.
- 11-12-2006 12:09 AM #24
SatelliteGuys Guru
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I take it the drainsl is thru the soffit vent..Or did you fashion a pipe theat protrudes thru the soffit vent?..Anyway, please tell me you did not do this for free....
Got a question..Did you consider a 2" no caulk roof collar..These are what are typically used for roof penetrating PVC vent stack pipes...This would have worked effectively and would have met plumbing code standards..And no need for the extra engineering...
- 11-12-2006 12:43 AM #25
I'm way too tired to read this whole thread but when you own and upkeep two houses over the years and replace the shingles on both every 15 years or so you learn it's not a good idea to mount anything on them. When I see a dish or anything else fastened onto a roof I cringe. Not a good idea. If you mount anything to an outside surface on a house it is an aditional maintenance issue. Ignore it and it will bite you in the a**.
Last edited by Frank Jr.; 11-12-2006 at 12:56 AM.
- 11-12-2006 01:17 AM #26
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Ok..That makes sense ..but what do we tell Dish when they come down on us for low completetion rates?....
Do we tell them' "oh we're not doing roof mounts anymore"...?
Yeah, that and 35 cents will get you a phone call...While Dish takes our work away and gives it all to someone else.....
- 11-12-2006 01:27 AM #27
Nope! It was not done for FREE. It was a high end custom job. I did use a NO CAULK flashing. Still, you had to glue the shingles down on the flashing.
I connected that one to a plumbing drain and vent with a "TEE." If the AC was in the attic, I would have used the main condensate drain. I didn't wat it to drip out under the eave in the soffit, when it rained.
- 11-12-2006 01:54 AM #28
It all depends on the skill and knowledge level of the technician on getting a good job.
I install antenna tripods and dishes on roofs often.
Never mount on a flat roof or within 2 feet of a valley. The strongest mounting point is at the corner of the house right at the convergence of the wall corners and the rafters. The rafters are easy to find there. Movement will never be a problem.
Never "glue" the dish foor to the roof with silicone or roofing cement, like it advised in the self install manuals. Don't predrill holes for the mount, and don't use 1/4" or 5/16" lag screws. Use 1/4" (#14)x 3 inch hex head drive hardened sheet metal screws. If you can't find them at hardware stores, Home Depot sells small packages under the Simpson Strong Tie brand. They will about never break like lag screws. Drive one, without predrilling through the center round hole through the shingles into the rafter. Plumb the pole in the up/down swing direction. Tap the foot in the corner until the pole is plumb in the opposite 90 degree axis. Drive the second three inch screw in the crescent slotted center foot axis hole. Drive four 1/4(#14)x1-1/2" long hex head hardened sheet metal screws into the corners, just enough, since these can easily strip out as they are going through shingles or light OSB or plywood flashing.
Actually on a pitched roof, no sealing is necessary. The heat from power driving the screws, without predrilling melts and displaces the asphalt from the shingles around the screw and rehardens. Just to satisfy the customer, I might put some sealant on the screw heads. Thick layers of tar makes for an ugly install and does no good.
When it comes to dish removal time, remove the screws. You are left with six less than 1/4" diameter holes that are easily sealed. The shingles do not come off with the mounting foot, as if it was "glued" to the roof. A dish foot "glued" to the roof will not keep the dish on the roof during a storm. It just takes the shingles off with it. Fastening the dish to the roof means screwing into the roof.
Re-roofing and realignment is easy. Snip off the head six 16d (penny) nails and place them in the holes, with the dish removed and the points sticking out about 1/2." As the roofer puts down the roof, the points will protrude through the shingles. Put the dish over these protruding nails. Pull the nails out one at a time with pliers, and replace each screw into the same place that they were taken out.
When I can get into the attic, I use large washered "PALNUTS." 1/4" ones go right on the tips of the screws and make them, in essence, bolts.
When close to the rake board, I have the cables enter under the overhang in the attic, so that the entry point is protected from rain entry.
Under an eave, I drill a one inch hole and use fiberglass rods to push the cables into the attic, like a thread and needle.
If the roof has a ridge vent, I go under it for cable entry.
When there is no entry point in the middle of the roof, I make a special entry flashing out of a 12x12 inch piece of 8oz copper. All I do is to drill a 1 inch hole in the roof at the top and middle of one of the shingle tabs. Then I cut the shingle tab with a vertical slot up to the hole. Using a wide drywall knife, I lift the shingles up around the surrounding area. After placing the coax into the hole, I shove the copper sheet up under the slotted tab and work the copper down over the cables. Then, using copper nails, I nail the bottom corners of the flashing down. Then, a caulking tube of roofing cement, I seal the bottom end of the flashing, where the cables go under it. Finally, I cement down the two pieces of the shingle tab over the top part of the copper flashing. Unless you are experienced at roofing and know exactly what you are doing, I do not recommend anyone to use this technique. But it does provide a very discrete and waterproof cable entry in the middle of a roof. For additional weatherproofing, I might inject the cable entry hole in the sheathing in the attic with silicone.
- 11-13-2006 01:58 AM #29
MoiMare I discussed this issue a few months back, here: http://www.satelliteguys.us/showthre...&highlight=OMG (Omg, Why !!!)
Some people seem ok with a dish mounted on a roof. I'm not by no means. You was one of those examples of why it shouldn't be mounted there. I got 3 in the wall and 2 on post here at the house.
- 11-13-2006 05:22 PM #30
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