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ICF vs Lumber House Construction

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Topic by WoodyWoodWrecker posted 09-27-2010 04:23 AM 3131 views 0 times favorited 2 replies Add to Favorites Watch
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WoodyWoodWrecker

1 post in 3728 days

09-27-2010 04:23 AM

Topic tags/keywords: icf construction building house home concrete walls lumber framing

I’m going to be building a home within a couple of years and was looking into types of construction. One type is called “ICF” or Insulated concrete forms. I can find a lot of sites that will say what the benefits of this type of construction is but not much about the cost. I know it is more expensive but just how much more? I’ve heard that the cost of heating and cooling will more than make up the difference but they never estimate the number of years. Does anyone out here know, approximately, how much more?

If you want to know more about ICF construction, here is a web site:
http://www.buildblock.com

-- WoodyWoodWrecker



View Dan Lyke's profile

Dan Lyke

331 posts in 4210 days

09-27-2010 08:03 PM

I’ve been looking at alternatives to stick-built construction for the workshop I’m planning, and I’ve been horrendously frustrated by two things:

  1. The lack of approximate pricing information from vendors of products from ICFs to SIPs to whatever else.
  1. The lack of valid engineering information. I want to do a living roof. This is heavy, and I’m in earthquake country. I’ve gotten some great numbers from wood marketing councils and various lumber suppliers on standard 1 hour fire rated wall assemblies (I’m building close to a property line), and what sort of shear and compression strengths those wall assemblies give. I’ve sent questions to various SIP manufacturers and gotten “check with your local building officials”. Uh, guys, I’m gonna have enough problems convincing them that the living roof is a solid technology, and now you want me to go to bat for your products, too? Yeesh.

So, sorry, no good info here, but I’m interested in hearing what others come up with!

-- Dan Lyke, Petaluma California, http://www.flutterby.net/

View AuroraWoodworks's profile

AuroraWoodworks

1 post in 3301 days

09-29-2010 01:21 AM

Several years ago I built my basement using Reward Wall ICFs. I don’t remember how much the forms cost, but prices have surely changed since.

You can pretty easily figure the cost of the actual wall – ICF, concrete, reinforcing steel. You have to think about how you plan on finishing the inside and outside of the wall. Depending on what you put on the outside of the house, it can be pretty expensive!

A hidden cost I’ve encountered is how you can’t use a lot of traditional building material intended for 2×6 construction. All door and window openings require custom jamb extensions ($$$$).

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