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pvc car port, what roof?

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  • pvc car port, what roof?

    I am thinking about building a 20 ft long carport for my pontoon using either 1.5" or 2" pvc. Just for the frame (legs/joints/etc) i'm looking at $165 for 2" pvc and $110 for 1.5" (schedule 40).

    2 questions

    1) Will 1.5" be good enough, or can/will it warp over time? Should i stay safe and just go with 2"?

    2) I've been contemplating options for covering it. Obviously i could throw a 20 by 20 tarp over the top (preferably 24x20), but good tarps at a decent cost are hard to come by, especially ones that last (under 100 bucks). Is there some other type of roof system I could make that I could remove when I take it down in the winter?

    The boat is moved and covered by itself in the winter, I just want something so i don't have to take half hour covering and uncovering when we use it. I will anchor the 6 legs most likely in 5 gallon buckets with some cement, or somehow connect to cinderblocks. I am in the brainstorming phase so if you have any ideas let me know.

    I have looked at car ports and anything within the 3 to 400 dollar range all have a tarp system that goes to hell, and is usually cheap metal or chinese made stuff, so thats why i'm thinking pvc. Plus i can disassemble mostly for winter time. I still have to figure out how to connect temporarily instead of pvc cement, maybe just using self tapping screws in the joints?


  • #2
    Re: pvc car port, what roof?

    What about EMT conduit instead of PVC? You could use 1-1/4". It goes together easy with couplings that have set screws that will make it easy to take down and store. You can buy (or borrow) a hand held bender to make bends or you can buy the EMT 90 degree sweep bends. You would probably come out cheaper buying a bender, that way you would have fewer couplings.

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    • #3
      Re: pvc car port, what roof?

      I think you'll be disappointed in PVC pipe. With only 6 legs, you're talking a horizontal span of 10' of PVC. Vertical PVC legs will wobble a lot and the horizontals will sag terribly. I'd go painted metal. I started with a ShelterLogic and when the top rotted after 3 years (365 days/yr including snow loads), I covered it with a better quality tarp that's lasting well. Best economy and best strength that I've found. - Grandad
      Winner 2013 Starcraft Splash Of The Year Award
      1972 21' Starcraft Holiday I/O Custom Rebuild
      http://forums.iboats.com/showthread.php?t=517895

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      • #4
        Re: pvc car port, what roof?

        Can you find a link to the shelter logic you have? A lot of reviews for these carports under 400 are poor regarding construction and tarp quality

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        • #5
          Re: pvc car port, what roof?

          Outdoor Canopies & Outdoor Canopy Kits
          When goals have no clear focus, neither will the actions of the people trying to achieve them

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          • #6
            Re: pvc car port, what roof?

            Originally posted by Grandad View Post
            I think you'll be disappointed in PVC pipe. With only 6 legs, you're talking a horizontal span of 10' of PVC. Vertical PVC legs will wobble a lot and the horizontals will sag terribly. I'd go painted metal.
            ^^^^^ Agree completely.
            You do not need a parachute to skydive. You only need a parachute to skydive twice.

            I don't belong to an organized political party. I'm a Democrat. (Will Rogers)

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            • #7
              Re: pvc car port, what roof?

              PVC pipe is a short time solution, it works but after awhile it cracks.
              Sun, wind and snow load will just destroy it over the long term.
              I would try to get a good price on galvanized/aluminized exhaust pipe and have it bent for the legs/supports and the backbone gets sockets/cups welded on to hold the legs.
              Maybe some purlons? to go from leg to leg for added horizontal support.
              home is where we drop anchor

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              • #8
                Re: pvc car port, what roof?

                Any diameter of sched 40 PVC will sag and warp of it's own weight and if you don't paint it, to protect it from UV, it will deteriorate rapidly. IMHO, you should choose another material.

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                • #9
                  Re: pvc car port, what roof?

                  Thanks for all the opinions. I will keep trying to find a pre made carport with good reviews ata decent price

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                  • #10
                    Re: pvc car port, what roof?

                    These look interesting... Not sure if they fit your budget though.
                    14x9 Metal Carports: 14ft. by 9ft. Steel Metal Carport Kits

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                    • #11
                      Re: pvc car port, what roof?

                      Click image for larger version

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ID:	183485 pvc works, self drilling screws, heavy duty uv resistant tarp.

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                      • #12
                        Re: pvc car port, what roof?

                        any thought about making a jig and building 2x4 barn style trusses instead of plastic or steel pipe? cost and time may be more, but the end result is better. jmo
                        many men fish for years without ever knowing its not about catching one.

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                        • #13
                          Re: pvc car port, what roof?

                          Originally posted by ronboonville View Post
                          Click image for larger version

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ID:	183485 pvc works, self drilling screws, heavy duty uv resistant tarp.
                          OK, but that looks to be 24" or 30" spacing on the PV.C, and you have a fixed wall on one side....apples and oranges.
                          You do not need a parachute to skydive. You only need a parachute to skydive twice.

                          I don't belong to an organized political party. I'm a Democrat. (Will Rogers)

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                          • #14
                            Re: pvc car port, what roof?

                            Just save the hassle and order one! 10x20 8 leg for $230 +ship. Had one 15 years now, and cover only replaced once. No need to anchor it either, just strap it to the trailer. Link
                            King Canopy 20 x 10 ft. Original Carport - 8 Legs - Canopy Carports at Hayneedle

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                            • #15
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                              Re: pvc car port, what roof?

                              Hi Bobbo, I looked for a link like you asked me for, but I couldn't find the exact model that I have, but Scaaty has posted a link that you can probably follow down the rabbit hole, so to speak. I purchased my 10' x 20' original unit about 9 years ago at Costco here in Canada. The model has a total wrap on all sides. When it was about 3 years (maybe 4 yrs) old, I didn't get the snow cleared off promptly after a wet snow storm. (The accompanying directions clearly state not for snow loads). It collapsed onto my vintage Starcraft and could have broken the tempered glass windshield, but luckily it survived. Costco still had them. Since a number of fittings and pipes were bent, I bought a whole new unit. Because many of the original parts were salvageable, I added a 7' segment with the combined parts and attached a suitable tarp.

                              About 3 years ago, when it was again time to worry about a top replacement, I bought a good quality 20' x 30' tarp that's still in place and will probably last another year. The pipes still look new. I still have some surplus side panels not yet used. I'd recommend installing one of these pipe frame shelters by first driving short sections of slightly smaller diameter pipes (I used chain link fence pipes, I think) into the ground at the correct centre distances. When I assembled the shelter, I was able to slide the vertical tubes over the stubs, then slide them up or down to achieve a level structure. I then drilled and through-bolted each leg as an anchor. It's still perfectly level and hasn't budged at all. - Grandad
                              Winner 2013 Starcraft Splash Of The Year Award
                              1972 21' Starcraft Holiday I/O Custom Rebuild
                              http://forums.iboats.com/showthread.php?t=517895

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