Q. I want to block or brick the outside and add a bedroom and garage. I was thinking of using I-beams to support the double wide so it wouldn't flex and it wouldn't cause me any problems with the additions. I would pour a 2 foot footing with rebar and also have piers. How would you go about this since I already live i it?
A. Block walls are heavy, and need a proper foundation. The foundation has to be installed 1 ft below the frost line, or it will heave unevenly.
You dig a perimeter trench 36" deep around the outside of you trailer, and a second trench for your addition and garage. You pour a foundation 1 ft deep by 3' ft wide, with re-bar at the bottom of your trench. You then lay 16" block up to grade. At grade you can switch to 12 inch block with brick on the front. About 2 feet above grade you run your beam down the middle. It is best if you can jack up your trailer 6 inches, and then set it down on the blocks. The trailer frame will act as the sil plate.
You dig a perimeter trench 36" deep around the outside of you trailer, and a second trench for your addition and garage. You pour a foundation 1 ft deep by 3' ft wide, with re-bar at the bottom of your trench. You then lay 16" block up to grade. At grade you can switch to 12 inch block with brick on the front. About 2 feet above grade you run your beam down the middle. It is best if you can jack up your trailer 6 inches, and then set it down on the blocks. The trailer frame will act as the sil plate.
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Title Post: How would you go about putting I-beams under an existing double wide?
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Rating: 94% based on 1258 ratings. 4,3 user reviews.
Author: Unknown
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