DIY Home Improvement, Remodeling & Repair Forum > DIY Home Improvement > Framing and Foundation > Enclose area under house




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Old 08-16-2014, 06:40 AM  
bud16415
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You are correct panels will also provide diagonal bracing. The problem is most sheets come 4x8 so you have the seams that are weak points in the system. Long pieces of wood or even cables going corner to corner will stay in tension. I don't think your posts are rotten and if they were you would see it most at ground level or slightly below IMO


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Old 08-16-2014, 11:31 AM  
jmg1213
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There is no evidence of any rotting of the posts, they are in good shape. Here is a better angle of the house (though a little far away).



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Old 08-16-2014, 02:28 PM  
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In the enclosed space you should probably have a vapor barrier covering the earth and thermal insulation if the 30F to 50F ground temperature is objectionable.

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Old 08-17-2014, 05:38 PM  
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Remove the existing insulation and have the underside of the floor sprayed with polyurethane insulation. It provides excellent r-values and blocks out all air intrusion. I wouldn't recommend a water-blown product as these are more prone to moisture retention.

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Old 08-17-2014, 08:52 PM  
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Get up close and get some photos of the posts and beams and floor joist and get some measurements of beam size and length. What is the head height at the center of the house.

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Old 08-18-2014, 04:52 AM  
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Good suggestions, guys. I will be going by the house this week, so I will get some pictures and measurements and post.

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Old 08-20-2014, 04:30 PM  
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There are 12 posts (6x6) that support the house (24' x 30'), plus the posts (also 6x6) that support the deck on two sides of the house. There is only one beam that runs down the center, the length of the house that rests on the four center posts. This beam is constructed of two 2 x 10s that sits in a notch in the posts. The underside of the house is covered with an insulating fiberboard with insulation blown in between them and the subfloor. This limits my ability to fully see the floor construction. The four outside posts on either side of the house attach to the floor joists which are 2 x 6s. Here are a few pics. The ones with the 2x4 and level are to help give more perspective on the slope.

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Old 08-20-2014, 04:41 PM  
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Does the area under the cabin remain dry when it rains?

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Old 08-20-2014, 05:08 PM  
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The little shed under the house is a furnace closet, yes,no?
What kind of floor doesw it have concrete, wood?
Will you be happy with six feet to the floor almost seven feet other than under beam?
Have you poked around thew posts to see if there is concrete around them?

Everything else is fairly simple.

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Old 08-20-2014, 05:36 PM  
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The closet houses the water line which is insulated and has a dirt floor. I realized that I may have less than 8' of height in the finished area, so that is okay since it will be primarily a storage area. The area under the house remains dry when it rains.



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