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Need help with coping for a box

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ATLskier
Posts: 8203 - Karma: 406
All I could find in the build a jib cult was this thread

https://newschoolers.com/web/forums/readthread/thread_id/275455/

So, Im tired of my cheap backyard rail, and im gonna some good boxes with lexan. Do I really need coping? I don't want my edges catching the side of the lexan, and I dont want the lexan breaking. A lot of people said make the coping flush or a little above. Im afraid if I do that, I wont actually slide the rail. (the closest mountain to me has some nice boxes, but they absolutely suck cause the coping is too high). I want to slide the plastic on my box, not the coping. I think I will go the extra step above and just use stainless steel if i use coping, but how do I attach the stainless steel rails for coping to the wood on my box?

Has anyone who has a nice box that doesn't have coping run into any problems because of it. Thanks.
Apr 9 2007 10:50AM
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skithedirt
Posts: 1759 - Karma: 382
never used coping i just use the handrails at my house
Apr 9 2007 10:51AM
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Uncle_Remus
Posts: 1880 - Karma: 368
go to alkyy profile and look at the pictures of his book its sheet metal and it slides so nice and no need for copeing too
Apr 9 2007 10:54AM
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skiwoj
Posts: 2286 - Karma: 52
ok, so you can make it flush with the top sheet, and you can use angle iron and when you screw it in, just put the screws in through the side, or you could you make the frame of the box a little wider and use metal pipes for coping, i draw a diagram i a second
Apr 9 2007 11:33AM
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skiwoj
Posts: 2286 - Karma: 52
here it is with pipes
Click for larger image
Apr 9 2007 11:38AM
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fouldsys
Posts: 7404 - Karma: 39
just get some pvc or something cheap and put it on the sides just above the lexan so the sides dont chip. it makes it way easier for pretzels too
Apr 9 2007 12:28PM
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quixotic
Posts: 6937 - Karma: 2,978
i caucked(sp?) two metal pipes onto a 2x4 like 3 years ago for my first backyard rail and its still holding togethor really strong. so if you want metal coping, use some cauck.
Apr 9 2007 12:35PM
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Sholte
Posts: 2929 - Karma: 12
thats a really good diagramm
Apr 9 2007 1:05PM
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t_rob
Posts: 6433 - Karma: 11,458
wow that angle iron just gave a great idea. what if you thinned out the sides of the lexan/hdpe to put those on the sides. do you think that would work?
Apr 9 2007 4:12PM
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ATLskier
Posts: 8203 - Karma: 406
bump
Apr 9 2007 8:13PM
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ATLskier
Posts: 8203 - Karma: 406
anyone else help please?
Apr 10 2007 9:36AM
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skiEER
Posts: 4089 - Karma: 79
i have had a box for 2 years with no coping and it works fine.  As long as its only for a backyard setup there is really no need for coping.  Mountains need it cause there boxes are being hit thousands of times a year.
Apr 10 2007 11:07AM
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HeathR
Posts: 4357 - Karma: 1,379
yep You dont really need coping for a backyard box.
Apr 10 2007 11:15AM
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skiwoj
Posts: 2286 - Karma: 52
have you thought about welding a frame for it? because that would make it mega easy, i will make a diagram in uno minute
Apr 10 2007 11:15AM
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skiwoj
Posts: 2286 - Karma: 52
Click for larger image
For the sake of example, we will say that we are using 1/4 inch hdpe, so you weld the two rails that will eventually be your coping onto supports and make each side of the box frame, then to connect the two sides and make what will hold up the hdpe, you weld pieces of metal, you will weld these 1/4 of an inch below top, which, when you screw down the hdpe, makes it flush with the coping, which, in my opinion makes the ideal sliding surface
Apr 10 2007 11:23AM
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ATLskier
Posts: 8203 - Karma: 406
Unfortunately, I dont have the resources for welding. Ill be using pretty much just 2x4s
Apr 10 2007 11:29AM
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HeathR
Posts: 4357 - Karma: 1,379
2x4s work perfect. Here is mine with no coping works great.

Click for larger image
Apr 10 2007 11:42AM
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skiEER
Posts: 4089 - Karma: 79
wow that looks just like my box and my backyars too very strange
Apr 10 2007 12:05PM
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