My home is a 24 yr. old 1800 sq. ft. modular home (26′ wide). I want to put on a second floor, about 1500 sq. ft. w/ a 5′ cantilever as well as an attic.
The house is sitting on a concrete block foundation on poured footings with poured footings under the house travelling along the middle of the house along the load bearing wall.
Does anyone know whether the structure can be fortified to carry the weight of two additional floors???
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You are going to definitely need an engineer who can come onsite to evaluate this.
With any structure, the foundation would need analysis first, to determine if it, and the soils on which it sits can handle the loads
After that, he needs to look at the existing structure. Some 'modular' homes are built more like mobile homes that can barely support their own weight, let alone an additional floor system, buit others are actually built better than stick built structures in some locations. So the path to success is to have someone qualified pay a visit to dtermine what you now have.
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Thanks. I do have an appt. w/an architect/engineer. He mentioned soil as well. It is on the East coast, so it has a sand base.
Agree with what Piffin said. The first thing that caught my eye was the 5'-0" cantilever. Seems a little long for me, any reason for the depth? Whichever wall is supporting that might need beefing up, not to mention additional concerns for lintels over doors and windows. Either way, definitely get an engineer to look at it. The additional cost is $$$ well spent.
I didn't even pay attentiuon long enough to get to the 5' cantileer. That is unrealistic with any normal floor framing materials even if there is a good wall and super foundation under it.
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