Flatpak House construction problems
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Previously Jeffrey Rous wrote:
cutting through the stuff. Yes there were built in chases, but lots of
stuff did not work with those, there were no vertical chases and the
structural steel posts got in the way.
All in all, I am convinced that the necessary pre-planning, production
tolerances and quality control necessary for this type of prefab just
make the system too expensive for the most part and that stick-built
with icynene insulation is the cost effective way to go. I did like the
roof panels though (6" solid eps with steel skins). They were pretty
cool. But they were made to be cut to size on site, so we did not have
the same issues."
I have no experience with steel SIPs but to suggest that folks totally reject SIPs is a bit extreme as there are other choices, including the hybrid model we are using. My builder, who has SIPs experience, is currently erecting the external walls of our new house with 4" and 6" SIPs from Premier Building Systems http://www.pbssips.com/
However, we will be framing the internal walls as that is where the bulk of the plumbing (including radiant floor heating controls) and electrical work will happen, because they had found on a prior build that the speedier wall erection was then offset by more plumbing and electrical hours. Those walls will then be insulated, both for noise reduction and to fully optimize the radiant heating zones.
Premier Sips do have horizontal and vertical chases and his plumber and electrician have experience working with such SIPs. Also, the window openings are to be cut on site, in the erected SIPs.
Shortly, I will be posting the latest SIP photos to our blog at http://ccmodernist.blogspot.com/
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