Money money money... money!
Sigh... when I started this post I had no idea I'd be running into Liza Minnelli.
And when I started this project I had no idea I would be where I am with SIPs, the solar choices I made... and the budget I have to get there and achieve my goal of gorgeous, affordable, off grid modern design.
This dream began with the realization that dragging a shipping container out to our land was not practical. Though recyclable, we would have spent 7k at the end of the day for a... metal box. Not an investment. Not insulated. Not passive solar. Not... ok you get it.
So then we explored metal buildings... and couldn't resolve the insulation issue.
Then we discovered SIPs, kidnapped some award-winning architects (in my real life I'm a bandit), and committed to investing in a home to enjoy for generations. (That's sideways speak for: Pony up, Copeland, at the end of the day it's a lot of money.)
So, without further ado, I dispatch my estimated and actual costs (which will be oft revised as estimated costs turn into actual figures):
(I'll put estimated figures in blue, real figures in green so you can see what is what. I also remind all readers that prices vary in everything, this is just what it costs to build a casa ti in central Virginia in winter/spring 2009!)
- casa ti kit house: $22,537.91 for a 1,200 s.f. kickin' modern house kit.
- shipping: $1450 per truck to get from northern to central Virginia
- engineered drawings (gears kit documents for local zoning): $1,910.00
- poured concrete foundation: $4,886.70
- concrete finisher (prevents cracking, contractor swears by it) $910.00
- sand $230
- foam that goes under foundation: $1034.68
- Mike's plumbing and Heating: (they laid the radiant tubes, plumbing in foundation) $3,450.00
- sheet rock: $4,000 --> We have eliminated drywall.
Waiting for estimate of alternate approach.
Wellz, folks... this will be a combination of the contractor building interior walls with plywood, *while* lining the interior of the SIPs with... VMI's BASKETBALL COURT! 'Cause you know I'm all about reuse, and history. *That* cost (oh, by the way, did I mention I acquired that historic solid maple flooring for about $1 per sq. ft?) will also be offset by the fact that I'm going to auction off the VMI logo on ebay... which might just end up paying for it all. (YES, I will be donating percentages and anything over purchase cost to VMI's Basketball team! Yay!)
So this cost is going to take awhile to get final costs. You could also do a SIPs stew to save money on the interior: http://www.greenmodernkits.com/2008/03/sips-tips-i-think-ill-call-this-one.html - EXTERIOR lumber and framing lumber for the load bearing INTERIOR wall $4,294.40
- Interior walls: $2,200
- Phase 1 LABOR for putting house kit together / exterior framing / interior load wall framing (i.e. Phase 1 of getting the house kit weatherproof. Phase 2 is labor for putting on cladding, Phase 3 is finishing the interior) $4,484
- Phase 2 LABOR for installing cladding: $9,610
- wiring: $5,700 (I think this estimate was wrapped into an earlier general labor estimate... will check with contractor this week.)
- windows: $8,071
Original quote: $9,051.39: I waited until they had a 20% off sale to place my order, made some adjustments to the door, and hence my costs were: $7,689 + $59 delivery charge + $368ish tax: see the post "Get Yer Windows" for details on how to save money and bring the price down! - plumbing: $4,500 (Actually I think this was Mike's Plumbing costs, above- so this might not be relevant?)
- Roofing: Roofing labor to install membrane, etc. : $2,118
- Lowe's (I have no idea, but it's on the contractor's cost sheet so there ya go!) $196.35
- Equipment rental for a light trailer $87.12
- contractor: $6,021.66 for phase 1-2, plus 10% on SIPs, siding, windows/doors = 3,880 -->$9,901.66 (as of February 14th, 2009, now we have to finish interior. Estimate to do interior walls is $1,200 but that does not include systems installation.).
- well / rainwater collection: still working on it, looking to be around $8,000
- solar / solar heat / batteries, etc. / radiant heat (I will go into this in depth later): $10,000
Ok, these costs are starting to come in:
PEX tubing for radiant heat: $670.50 - roof / membrane / one green roof / cladding decisions: We're using Galvalume, we are not adding the green roof (although you certainly can on the north side of the casa ti, that was in David Day's original idea) because we are using that for rainwater collection.
Supa-Cool Siding/Roof Mod Package! $8,776.11
Shipping for super cool siding package: $268
- Excavation and seeding: Anonymous below asked about site costs: Good point, totally did not include that. Fortunately, when we bought our land it was... exactly as it is, except for excavation of the site- so we did not have to cut down a single tree, yet have a super south view! We situated our house at the end of the pre-existing field. Costs for excavation *and* seeding: $1,200.
- Perc Test (soil consulting) $600
- Board of Health Permit $190
- Building Permit $82.07
- Contractor going up to the factory to be trained on SIP: $194.39
- Driver tip for SIP delivery because we're nice and in a rural area and they went above and beyond their call of duty $80
Again, realize these don't pertain to your local costs of your material and labor.
Well, we will see what more of the actual costs are later this month...
Keep yer eyes peeled!
Labels: affordable housing, construction costs, green building, green house, green housing, green modern kits, off grid, prefab



6 Comments:
Wow!! I love your blog. After reading your post with costs and your liking for SIPS, I feel we are kindred spirits! You should check out my blog, as I did the same. My budget is on there and I'm also going to build a modern, green SIP home! I am also interested in selling Green Home Kits (preferably modern) to Scandinavia (where my husband is from) because there is a demand for summer cottages and Europeans are wanting to buy American because of our poor dollar value right now! Do you want to exchange some business ideas? Please feel free to contact me. I saw you through Building Green TV.
Great Blog, Copeland. It will be a great house. You may have said somewhere, but what about a septic system? And did you have no site work costs?
I desperately need to revise this post- will hopefully get better figures next week.
We have a composting toilet, but that still does not really address septic because I agree kitchen water is blackwater, not gray.
We are also stalling on the well/rainwater *filtration* system (not rainwater collection, which can irrigate the field).
Because we are doing this in stages, we can better make some of these decisions as state laws catch up to us/waiting on some systems purchases as technology is changing right now so our investment will last longer & be more efficient.
So what you will see in the next few months is a darned cool house, but I am purposely leaving some systems leeway to most efficiently invest in the *right* way to do things vs. what code & current market allows.
But yes, I will sit down and revise this post in more detail next week.
(Am I talking too much? Do I ever talk too much? ; ) )
Where and what kind of supa-cool siding and roof package did you get?
Love your blog by the way - very helpful.
First, let me say I love your blog. Second, Prefab is what landed me on your site, which them opened up a new world as I know nothing of SIP's, but now I'm totally enthralled. I live in the Seattle area and everything out here is expensive but like you I don't understand why cool design has to escape me, so I'm trying to see if it's possible to build our first home without driving ourselves into the poor house to do it. Any recommendations on where I should begin? And, how did you decide on a budget?
Thank you, Kara!
Our budget is determined by what we could pay in cash combined with a loan. Last year I paid over $30,000 in cash towards paying off the house kit & labor, just from saving, saving, saving and then throwing that money towards windows or the house kit that we then didn't have to put on an interest-based loan.
So the more I pay in cash, gives us leeway for systems, etc.
HOWEVER, as we are building our farm piece by piece, I am waiting for more affordable new technology to come out before splurging big on permanent systems. So our initial systems are the hot water solar, and a basic solar package for under 5k. That will get us through the next few years as we build the farm, so that when we move there full time we'll have better technology to consider for our full-system purchase for the rest of our life.
I will try to update this post again next week with more numbers- for what it's worth, the contractor has quoted me about $1,200 to finish the interior walls, so that will happen soon this spring... saving it up now so I don't have to put it on a loan!
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