New to building and have some questions

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New to building and have some questions

Postby Twalt87 » Sat Dec 02, 2017 8:48 pm

So I just welded up my own trailer frame and am in the process of collecting materials for the structure.

Im most likely going to have several questions as i go so ill just dump them all in this post as i go.
First question is about my material, I'm planning on building it out of 1/8" maple plywood and glassing the whole works. I will build my own doors and put in windows.
Is maple a good choice? I was thinking maple exterior and mahogany interior.

Second question - Am i able to build the exterior and get it fully glassed and sealed so that i can use it as i build the cabinets and shelves on the interior as i go? or does the interior need to be done before i glass the exterior?
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Re: New to building and have some questions

Postby tony.latham » Sat Dec 02, 2017 9:32 pm

Is maple a good choice? I was thinking maple exterior and mahogany interior.


I assume you're using sandwiched wall construction? Have you located 1/8" maple plywood?

I really like 1/4" plywood subfloor. It's much higher quality than 1/4" ACX fir and looks much better. And it's cheap:

https://i.imgur.com/Eb4L5ez.jpg

I use the inside-out build method and construct my galley counter top to go through the rear bulkhead to form the bottom shelf that will be above the foot of the bed. It's much easier to do as much as you can before you install the roof.

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Image

I've built from the chassis up... and I have also built the cabin on dollies and mounted it on the trailer later. I very much prefer the later. No stumbling around the tongue and wheels.

:beer:

Tony
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Re: New to building and have some questions

Postby Twalt87 » Mon Dec 04, 2017 1:54 am

Yea I have located maple plywood. The store near me has maple birch oak and mahogany. They have red Cedar too but at an outrageous price.

I was going to do the sandwich walls, with insulation in between.

I know it would definitely be easier to build the interior the way you did but is it possible to do the interior after the whole thing has been glassed? I'm fine of it's a bit harder to fit stuff.
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Re: New to building and have some questions

Postby working on it » Mon Dec 04, 2017 9:22 am

Twalt87 wrote:...I know it would definitely be easier to build the interior the way you did but is it possible to do the interior after the whole thing has been glassed? I'm fine of it's a bit harder to fit stuff.
  • I built my exterior structure of 3/4" plywood, with no insulation, nor anything inside (except for my on-board generator in the galley. No interior, no wiring, no windows...just a completed shell. I did finish the exterior, with multiple coats of polyurethane and acrylic enamel paint over it, and with doors and hatch mounted with all the requisite hardware. I did it that way, so I could bring it home from the 50 miles distant shop where I began the build, to my own garage (the completed coatings on the exterior were for protection when I transported it home, and for possible outside placement, if I didn't have a garage bay cleared for its' arrival).
  • completed exterior to move home.png
    completed exterior to move home.png (461.94 KiB) Viewed 200 times
  • Even though my construction methods, fit and finish were rudimentary, as compared to most TDs and TTTs, it was what I thought was needed at the time. But, as simple/crude as my exposed wiring and hardware were, it was still a real challenge to design and build the interior, having to make hundreds of entries/exits thru my doors to complete the interior (especially, when making modifications as to fit and finish of already-mounted parts, inside). And, just painting the inside was tough, using brushes/rollers overhead to paint the ceiling, surrounded by heater (it was very cold at the time) and paint tray beside me. I used high-VOC paint, so the fumes were really bad, though I used a cheap vapor mask, that didn't filter much. Finishing my galley/storage area, and installing my A/C and ducting wren't as difficult, standing outside the galley, but anything inside the cabin was painful, as my knees and back were starting to go.
  • If I were to build a complete replica of my squareback TTT today, I'd probably paint the interior before the roof went on (painting both sides prior to mounting the roof/ceiling), but after that, I'd still have to build outside-in, due to the way I mounted everything inside the cabin, relying on the rear bulkhead and front wall/doorframes to hold interior parts (the intersection of sidewalls to front and rear walls was the main structural support for many heavy items). My now-bad knees and back wouldn't like it, so it would take me twice as long as it did before, 5-6 years ago. Using unusual materials and re-designing as I went, veering way-off my planned design, made that the only way I could build it, then or now.
  • shelves need four-wall support.png
    shelves need four-wall support.png (476.29 KiB) Viewed 200 times
  • 2013 HHRv,"squareback/simple" TTT, semi-offroad? 4x8, 2000+ lbs travel weight
  • featuring:
    • 3500 lb Dexter axle,
    • 27x8.5-14LT tires,
    • LED lighting,
    • A/C & heat,Optima AGM battery,
    • extended-run 2500w generator,
    • Coleman dual-fuel stove & lantern
  • 147697148333125895
  • 148599148106
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Re: New to building and have some questions

Postby tony.latham » Mon Dec 04, 2017 10:09 am

I know it would definitely be easier to build the interior the way you did but is it possible to do the interior after the whole thing has been glassed?


It just depends on your build. I have glued in my top shelves after the ceiling is in. But it's prefabbed and the supports for it are all ready to go. I put a headboard in that is mortised into the walls... so that has to go in when setting the walls.

So it depends...

:thinking:

Tony
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