building walls w/ Masonite

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building walls w/ Masonite

Postby Bent bike guy » Sat Jul 23, 2016 8:23 am

been searching online for 1/8" Luan and only thing I find in 4 x 6 sheets are tempered hardboard.HD #83277 at $7.97 each.
Big question is will glue stick to the tempered smooth side??
plan is to build my walls using 2 x 2 spars w/ 1 1/2 foam sandwich then decorative paneling on inside. Cover the outside using Dacron fabric then painting with primer and paint.
My concern is do I need to roughen up the smooth surface or ??
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Re: building walls w/ Masonite

Postby KennethW » Sat Jul 23, 2016 8:49 am

1/4 (6mm) luan is lighted( I think) and stronger. Yes, luan is not great but is a lot better than pressed paper(Hardboard).
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Re: building walls w/ Masonite

Postby tony.latham » Sat Jul 23, 2016 11:46 am

only thing I find in 4 x 6 sheets are tempered hardboard


I'd be afraid that if you ended up with a leak, that stuff would come apart. (I don't have much experience with it though.)

Call up your lumber yards and ask if they can order sheets of 1/8" Baltic birch. They're probably 5' x 5' and about .... $15 or so. Home Depot contracts to buy the cheapest stuff that they can purchase in bulk.

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Re: building walls w/ Masonite

Postby Bent bike guy » Mon Jul 25, 2016 10:04 am

calling around I found some 1/8" underlayment plywood w/ exterior glue for $16 per sheet. The 1/4 inch is $$21.82 per sheet.
But first I need to coat or paint the frame underside. Hopefully get my walls built this week??
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Re: building walls w/ Masonite

Postby yrock87 » Mon Jul 25, 2016 11:02 am

It took me a while, but I found a two places that sold 1/8 birch ply. One 30 min away, the second 1.5 hrs away. Both are legit lumber yards and both had several options in 1/8 thickness. Worse case you should be able to find a place that sells in 3x8 door skin sizes
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Re: building walls w/ Masonite

Postby TimC » Mon Jul 25, 2016 1:03 pm

Bent bike guy wrote:been searching online for 1/8" Luan and only thing I find in 4 x 6 sheets are tempered hardboard.HD #83277 at $7.97 each.
Big question is will glue stick to the tempered smooth side??
plan is to build my walls using 2 x 2 spars w/ 1 1/2 foam sandwich then decorative paneling on inside. Cover the outside using Dacron fabric then painting with primer and paint.
My concern is do I need to roughen up the smooth surface or ??


Tempered hardboard is very dense. Don't try to drive a brad into them with an air driver! Many of them will redirect into the air. I know from first hand experience. You would need to drill each hole if you are anchoring with a screw/nail. I don't have experience gluing this stuff. If you drive a screw without a pilot the t hardboard will split.
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Re: building walls w/ Masonite

Postby dmdc411 » Mon Jul 25, 2016 3:56 pm

I would use 1/8" plywood. I got mine at large lumber yard on North Minneapolis. $9 a sheet. Couldn't tell you what it is, but they assured me it was exterior glued. I tested a piece before I used it. 2 plus years interior ceiling. Not a problem!
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Re: building walls w/ Masonite

Postby aratman » Tue Aug 23, 2016 3:48 pm

You shouldn't use Masonite. That's out of the way, they made millions of trailers out of it. They sided millions and millions of houses with it and still make doors with it. You should hold out for the good stuff but Masonite is OK if you keep it painted, That is not to say at any level it is good. Make sure you use 2 sided tempered Masonite, but the price is about the same as plywood. So use plywood.
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