Adding 2nd story to home


Old 06-16-12, 08:37 PM
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Adding 2nd story to home

Have an older home, and have been talkin g about adding another level instead of adding out. There are lots of things to be considered before starting this project. Here are the basics of what i got so far:
We will be adding a master bedroom, bathroom, and walk in closet.
The stairs will be adding to the back of the home which means more foundation.
The home currentley sits on a crawl space, also been added to before, and new supports under home with no sagging or damage.
2x4 walls on 16" centers. Full attic with only 2x4 studs on 24" centers across the ceilings.

Wondering what all else i need to look into and what may have problems with. Ill be checking back so if you need more info ill be happy to do the best i can
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Old 06-16-12, 08:51 PM
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A lot of plumbing, heating and AC, ducts and returns. Also consider code access/exits and electrical as beginning poits.

The 2x4s @ 24" o.c. is very questionable because of the floor loads required. If the previous modifications were done properly, the capacity must be cheak, just as the areas of the footings in comparison the the new bearing strength.

Old 06-16-12, 08:59 PM
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Plumbing is already figured out. AC is in the works of working out the details. codes are what im not sure about. Electrical will be drawn out due to small breaker panel
Old 06-17-12, 04:25 AM
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First and foremost, get a structural engineer to analyze what you have and what you plan on doing. If you are moving up, then everything from the top plate, including trusses, etc will go away, so a new joist system will be in place, which will be much more substantial than what you have now holding sheetrock up. Most likely you will be using LVL beams across as joisting. Just too much to consider without someone on site to give a professional opinion.
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