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Wall Construction Comparison
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icanreachit
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2 Nov ’16 - 9:02 pm
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Just wondering if anyone could chime in on some analysis that I was doing for a future home build. I'm trying to find the cheapest way to build a home (top to bottom), while meeting all codes and also achieving good durability.

As the materials will help dictate the overall design, I'm starting with the walls. The three systems are SIPS (prices taken form ACME, OSB sandwich), Balloon framing, and a cinder block wall.

Assumptions: above ground home, 8' walls, and pricing is for a 4' section

SIP: 181.44
Texture - ?

Drywall - 8.78

SIP - 147
1 - 2x4 PT (sill) - 3.26
Corrugated - 22.40
(Sill plate, SIP,
 
Stick : 70.94
Texture - ?
Drywall - 8.78
3 - 2x4 (PT Sill, #2 rest) - 6.1 + 7.73
16' insulation r13 - 10.90
1 sheet osb (7/16) - 11.55
1/2 foam sheet (r3.2) - 9.58
(Siding - Hardiplank - 45.15)
Corrugated - 22.40
Excluding housewrap
 
Mass: 148.40
Parging 15
Cinder block wall 54 blocks - $81
Parging - 15
3/4 foam sheet (r4) - 15
Corrugated - 22.40
(not including bond beams every 4' vertically, and associated re-bar and cement)
 
Thanks for the help! I promise to publish the overall project budget when done.
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K
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4 Nov ’16 - 3:41 am
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Have you thought about ICF's at all?

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icanreachit
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4 Nov ’16 - 1:44 pm
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Briefly, my concern there was the pricing. Plus, you still have to use a finishing coat on the inside - Parge or drywall.

4' section 8' high -

Panels - $233.80 (non bulk pricing from box store)

Concrete - $107

I'm thinking ideally the metal coated ICF panels because they do not need Drywall or an exterior sheathing.

Here is a cool SIP panel home in Chile

I'd like to think that you could just texture over the OSB of the SIP but I'm concerned about the environmental exposure for OSB. So maybe on the inside but the exterior would still need siding.

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icanreachit
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6 Nov ’16 - 10:33 pm
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Anyone looked at this stuff? Wouldn't even need to do any finish work outside or inside (though maybe some paint).

http://www.precisefo.....iwall.html

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K
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9 Nov ’16 - 5:45 am
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reminds me of slipform masonry, if we ever get our cabin built this is the method we are going to use

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icanreachit
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9 Nov ’16 - 8:30 pm
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I always enjoy watching that video. The slipform is pretty great in my mind, especially when your lot has a lot of those stones (or they can be found nearby). Just let me know when you're starting as it would be a great learning experience for me.

Also, the terra tiles are a great idea. Seems like they would be cheaper than a concrete slab though perhaps slightly more time intensive; however, if you think of them as a solution to slab + tiling, they are probably a win/win. Any clue on code?

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K
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11 Nov ’16 - 1:52 pm
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will do, you know me, I'll have plenty of pictures and will be more than happy to share my successes and screw ups!

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icanreachit
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17 Nov ’16 - 10:16 am
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Alright, the latest tech that I came across is Concrete Sandwich Panels:

Good technical article with details on it. Due to shipping weight it is best to build them on site and do a tilt up approach. Though I'm still trying to find out how they're tied together and to the slab, I believe it's identical to the standard tilt-up approach.

http://www.concretec.....panels-1_o

I can't embed the video but in case you're curious, the video is at the bottom of this link:

http://www.thermomas......com/tilt/

For DIY I think that we'd still need an engineer to sign off and even then we'd likely be limited to very small panels in the absence of a crane.

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