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2468
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Posts:3
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| 11/03/2000 9:07 PM |
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I need your recommendation for installing the proper material to my SIP floor. I have a complete envelope of panels built of a cabin in the woods. I would like to lay a wood floor down. How should the flooring be applied?
Thanks,
David Dimick
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Steve Andrews
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Posts:334
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| 11/05/2000 2:39 PM |
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David
If you can give a little more information, it would help. For example, what type of wood flooring are you planning to install? And when you say "I have a complete envelope of panels built of a cabin in the woods," does that mean you've built a cabin in the woods using SIPS in the floor, wall and ceiling? What climate is this? How will you heat the home? (I'm thinking of the drying of the wood floor, to the extent that may be a factor.)
Good luck with your project.
Steve Andrews
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2468
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Posts:3
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| 11/06/2000 8:50 AM |
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Stephen,
My cabin has panels on walls, roof and floor. Unsulspan is the MFG. The floor is 6.5 inches thick and built on posts above ground with the proper double 2 x 10 joists. I am thinking of using plank or strip flooring. Finished or unfinished???? Can it be glued to OSB? I would like to put a felt liner in between the floor and OSB for sound deadening. Wood paneling comes in T&G 1/2 inch thick 8' x 5" boards. Can I use this as an unfinished floor board; Lowe's product?
Thanks for your quick response.
David Dimick
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ICF501
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Posts:109
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| 11/07/2000 1:23 AM |
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You may be a bit on your own here with a wood application on a SIP floor as there is nothing that has been published as to the durability of a wood floor on sips. so I will try to extract a bit of common sense to this issue.
Before you can agree or disagree try to contact Todd Bergstrom (sp) at AFM R-Control and see if any tech bulletins have been issued or talk to him directly. You can look up AFM in the SIPweb directory. He is in charge of R-Control testing. Premier Panels also has a dedicated engineer and I would not doubt that a lot of first hand knowledge could be found with the Insulspan folks as they attract a lot of timber framers. Try looking up Jim Leroy on the SIPA website with Panel Pros.
1. The biggest problem with wood floor (real wood planks) is moisture laden problems. Always use a min. 15# felt between the subfloor and the wood substrate. As Sips virtually block vapor transfer your choice seems wise here.
2. Most plank woodfloor specs call out for a nail pattern (blind) at 8" O.C. into a minimum of 3/4" plywood. OSB exhibits better nail pullout than plywood until it gets wet then plywood prevails, depending on the grade of subfloor. the questions becomes one of delamination (plywood) vs. swelling and worsening nail pullout. As most SIPs come with 7/16 or less skins, regular nail patterns could be a problem. At minimum I would increase nailing centers i.e. 4-6" O.C. , use screws ( labor intensive unless it is a small area and or you are doing this install yourself (labor) , or use a floating floor such as is recommended on radiant floors for wood.
Hope this helps. I generally do not use SIPS on floors in my climate area. Seems to make best sense Montanna and North.
Ed Stahl
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ICF516
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Posts:47
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| 11/07/2000 11:17 PM |
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The AFM tech bulletin you are looking for will specify an additional layer of 7/16" OSB layed on top of the installed floor panel. The need for this second layer is based on point load calcs. Think of the fat lady in spiked heels. Not a pretty sight any way you look at it.
I've used floor Panels in several jobs and would only recommend them over unconditioned space. ( crawl spaces don't count ) Its not cost affective or utility friendly in most cases.
The floor panels allowed application of any floor covering just as if you were working over an advantech flooring. ie: same look, same feel, same fastening.
regards,
Al
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