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Joined: Sep 2005
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I am reading Sobon's "Building a Classic TF House" and he writes;
"...I dont feel that their materials are as permanent as the frame. The so called structural facings are usually held together with glue and paper, hardly durable materials when we consider the rigors of moisture and temperature a house wall is exposed to over many years." [pg32,paragraph 2]
Has any long term studies been done on SIP's relating to performance/durability? As someone contemplating its usage I would like to be somewhat confident that this product can withstand the rigors of time.
john roy
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Joined: Feb 2003
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I recently was speaking with a client about S.I.P's and he told me about some recent lawsuits in Oregon, Washington and California regarding the insulation/foam turning to mush in between the OSB. I do not have further information about this but it does give reason to pause and further investigate these claims.
Caveat Emptor
-Collin
"The lyf so short, the craft so long to lerne."
Geoffrey Chaucer (1343-1400)
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Joined: Mar 2002
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The sip business is a business that has evolved over the last good number of years.
The product they are selling today probably isn't constructed with the same materials it was when they first started. OSB has changed, foam has changed, the glue has changed, the glue in the OSB has changed.
It may not be of use to get a long term durability test on those older products as the are so different then today's current products.
Just my opinion....
Jim Rogers
Whatever you do, have fun doing it!
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Joined: Feb 2003
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Jim's statements above are well said.
These products are new in regards to human experimentation with insulation. S.I.P's will be continually evolving into the future and therefore untestable for longevity.
If your primary concern is longevity then you need to research methods that have exhisted or are directly related to methods that have existed for 100 years or more.
-Collin
"The lyf so short, the craft so long to lerne."
Geoffrey Chaucer (1343-1400)
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Joined: Sep 2005
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Your point is well taken, the idea that the evolution of SIP's would make a long term study non applicable was something I had wondered, and both your view and Jim's echo such sentiments. Are you comfortable with using SIPS or do you (both) use an alternate approach to sheathing/insulation?
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Joined: May 2002
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jroy, what kinda warranties are the reputable manufacturers offering. Understand all bets are off if you try to use the sip for sponges.
deralte
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Joined: Sep 2005
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who are the more reputible sip manufacturers? what type of warranties are the norm? what should one look for in a quality sip???
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Joined: May 2002
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you will find their ads in various TFG publications and in Timberframe magazine.
Also check resources here and at the TFBC timberframe.org
good hunting
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