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Old 06-08-2014, 02:22 PM   #1
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Roof liner suggestion?

I have a voyager-type fiberglass roof that I need to insulate and line. I think I am going to use the UltraTouch radiant barrier with a spray adhesive for insulation. I was curious if anyone had suggestions for a good liner as a final layer.

I’ve looked through most of the builds, but it seems everyone is either using a pop-top or screwing something to ribs of the regular roof.

Any thoughts on what might work well? I’d like to avoid carpet and would prefer something not as porous, but I might need to go with carpet in the end.

Or maybe there is a build I missed that shows an option?

Thanks!

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Old 06-08-2014, 03:19 PM   #2
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Re: Roof liner suggestion?

Strip the top with 1" fir strips.
Spray foam 1" thick between strips.
Make a headliner with .25" plywood and cover
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Old 06-08-2014, 05:17 PM   #3
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Re: Roof liner suggestion?

Quote:
Originally Posted by hogasm
Strip the top with 1" fir strips.
Spray foam 1" thick between strips.
Make a headliner with .25" plywood and cover
Agreed, I would do 1/4 ply. Birch is really pretty and about $50/sheet for me locally, so I'm guessing if it's close to the same where you are you could do the whole thing for less than a couple hundred. 2-3 4x8 sheets plus all the rib material and hardware.

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Old 06-08-2014, 10:45 PM   #4
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Re: Roof liner suggestion?

I used 5mm ply and auto headliner material from yourautotrim.com

http://www.yourautotrim.com/auheclvifa.

They have a variety of headliner materials.

Consider using auto headliner adhesive for attaching the fabric to the ply. The spray headliner adhesive doesn't come unglued at high temps when the sun is beating down on the roof.
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Old 06-10-2014, 07:15 AM   #5
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Re: Roof liner suggestion?

Thanks for the ideas. I'll check into them. I am hoping to so something rather lightweight. My roof is pretty old and I don't want to create too much stress with weight. I was just up there changing my vent (darn Utah winds ripped my vent cover off) and heard little cracking sounds at times when putting half my weight on it.

I really like the link to the auto trim store. Looks like some fun stuff to play with there
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Old 06-10-2014, 07:46 AM   #6
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Re: Roof liner suggestion?

Quote:
Originally Posted by jpau00
Thanks for the ideas. I'll check into them. I am hoping to so something rather lightweight. My roof is pretty old and I don't want to create too much stress with weight. I was just up there changing my vent (darn Utah winds ripped my vent cover off) and heard little cracking sounds at times when putting half my weight on it.

I really like the link to the auto trim store. Looks like some fun stuff to play with there
I've been on a few that do that, even my pop top PH does a little. If you're going to be up there working take a little piece of plywood up to spread out the weight and stand or kneel on. I wouldn't be too concerned about it unless you can see cracks.

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Old 06-10-2014, 01:18 PM   #7
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Re: Roof liner suggestion?

Quote:
Originally Posted by jpau00
Thanks for the ideas. I'll check into them. I am hoping to so something rather lightweight. My roof is pretty old and I don't want to create too much stress with weight. I was just up there changing my vent (darn Utah winds ripped my vent cover off) and heard little cracking sounds at times when putting half my weight on it.

I really like the link to the auto trim store. Looks like some fun stuff to play with there
When you install the fir strips on the roof, in a grid pattern, use epoxy resin thickened to a mayonnaise consistency. The strips will add strength to the top
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Old 06-10-2014, 03:22 PM   #8
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Re: Roof liner suggestion?

Good to know about the cracking sounds. Great tip on the epoxy too!
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