How do I build my trailer to support a roof top tent

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How do I build my trailer to support a roof top tent

Postby cr500taco » Wed Jan 24, 2018 6:56 pm

I am new to the forum. I am going to be doing my first build and so I registered with the forum, so I can learn how to do it right. I will be building a sleeper box on a 5X8 utility trailer. It will just be used for sleeping in and hauling gear. I won't be building a galley in it I have seen some ideas on here on how to build. I am looking for advice on how to make it strong enough for an RTT. It will, also, have a couple of awnings. One with an enclosed room and one with a screened room. I do plan on insulating it.

Also, how thick do the walls need to be for the windows and doors?
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Re: How do I build my trailer to support a roof top tent

Postby cr500taco » Sat Jan 27, 2018 9:46 pm

cr500taco wrote:I am new to the forum. I am going to be doing my first build and so I registered with the forum, so I can learn how to do it right. I will be building a sleeper box on a 5X8 utility trailer. It will just be used for sleeping in and hauling gear. I won't be building a galley in it I have seen some ideas on here on how to build. I am looking for advice on how to make it strong enough for an RTT. It will, also, have a couple of awnings. One with an enclosed room and one with a screened room. I do plan on insulating it.

Also, how thick do the walls need to be for the windows and doors?
Anybody?

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Re: How do I build my trailer to support a roof top tent

Postby tony.latham » Sat Jan 27, 2018 10:51 pm

I'll chip in.

You'll obviously need strong walls.

If it were me, I'd use sandwiched walls made from 3/4" AC plywood for the skeleton––sheath them inside and out with 1/4" subfloor plywood. All of the skeleton voids would be filled with hard foam and the sheathing would also be bonded to this surface. The skeleton would have structural members––under the roof rack attachment points––that went vertically to the floor. I'd use T-nuts inside the wall to bolt the rack to.

I'd use Steve Fredrick's method of forming a lip on top of the walls to add the ceiling and roof spars. (check out his Teardrop Builder's Shop Manual online)

And a few other details... but that's the way I'd do it.

Capish? :beer:

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Re: How do I build my trailer to support a roof top tent

Postby QueticoBill » Sun Jan 28, 2018 3:29 pm

Are you building thr RTT? If you can arrange tis support so the laod is on the walls, it should be easy to plan solid framing to trailer frame and transfer the load.
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Re: How do I build my trailer to support a roof top tent

Postby bdosborn » Sun Jan 28, 2018 3:55 pm

I'd start looking here for ideas:

Expedition Trailer Pics

Bruce
2009 6.5'X11' TTT - Boxcar
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Re: How do I build my trailer to support a roof top tent

Postby cr500taco » Wed Jan 31, 2018 5:27 am

QueticoBill wrote:Are you building thr RTT? If you can arrange tis support so the laod is on the walls, it should be easy to plan solid framing to trailer frame and transfer the load.
sorry, not sure if I understood your question. But, the RTT will be purchased.

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Re: How do I build my trailer to support a roof top tent

Postby cr500taco » Wed Jan 31, 2018 5:29 am

bdosborn wrote:I'd start looking here for ideas:

Expedition Trailer Pics

Bruce
I've been going through the trailer builds there, but mostly seen metal framed trailers with RTT. I don't have a welder and I don't have the money to have one framed for me.

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Re: How do I build my trailer to support a roof top tent

Postby cr500taco » Wed Jan 31, 2018 5:30 am

tony.latham wrote:I'll chip in.

You'll obviously need strong walls.

If it were me, I'd use sandwiched walls made from 3/4" AC plywood for the skeleton––sheath them inside and out with 1/4" subfloor plywood. All of the skeleton voids would be filled with hard foam and the sheathing would also be bonded to this surface. The skeleton would have structural members––under the roof rack attachment points––that went vertically to the floor. I'd use T-nuts inside the wall to bolt the rack to.

I'd use Steve Fredrick's method of forming a lip on top of the walls to add the ceiling and roof spars. (check out his Teardrop Builder's Shop Manual online)

And a few other details... but that's the way I'd do it.

Capish?

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Tony
What exactly is a skeleton wall?

Actually, now that I think of it, is it plywood with voids in the middle? I've seen pics of that in builds and wondered the purpose of it.

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Re: How do I build my trailer to support a roof top tent

Postby greygoos » Wed Jan 31, 2018 10:17 am

Try compact camping concepts. They have no weld trailer racks made for that purpose.
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Re: How do I build my trailer to support a roof top tent

Postby tony.latham » Wed Jan 31, 2018 10:31 am

What exactly is a skeleton wall?

Actually, now that I think of it, is it plywood with voids in the middle? I've seen pics of that in builds and wondered the purpose of it.


Here's the skeleton inside the last 10' long teardrop I built.

Image

It makes for a strong, stiff and insulated wall. There are other advantages such as being able to build the ceiling from the inside out. I suggest you might want to get a copy of Steve Fredrick's Teardrop Builders Shop Manual. He suggests using 1x4s for the structure. I'm convinced that 3/4" ply is quicker.

Tony
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Re: How do I build my trailer to support a roof top tent

Postby cr500taco » Wed Jan 31, 2018 1:31 pm

tony.latham wrote:
What exactly is a skeleton wall?

Actually, now that I think of it, is it plywood with voids in the middle? I've seen pics of that in builds and wondered the purpose of it.


Here's the skeleton inside the last 10' long teardrop I built.

Image

It makes for a strong, stiff and insulated wall. There are other advantages such as being able to build the ceiling from the inside out. I suggest you might want to get a copy of Steve Fredrick's Teardrop Builders Shop Manual. He suggests using 1x4s for the structure. I'm convinced that 3/4" ply is quicker.

Tony
Thanks Tony,

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Re: How do I build my trailer to support a roof top tent

Postby cr500taco » Wed Jan 31, 2018 1:32 pm

greygoos wrote:Try compact camping concepts. They have no weld trailer racks made for that purpose.
thank you, I was just looking for racks.

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