Is flexing need on an addition to a portable building?

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Forum topic by WestTX1 posted 09-14-2016 01:27 PM 431 views 0 times favorited 2 replies Add to Favorites Watch
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1 post in 854 days

09-14-2016 01:27 PM

Not exactly woodworking, but I’m adding about 20’ in length to a 28’x16’ portable building that sits on two skids. It’s level as far as portable buildings go but it do flex a little after heavy rains, droughts, etc. Now, this building has been sitting there since 2006.

My question is; when I add on should I make the new addition on skids as well so it will shift with the older unit? If I plant beams down to the frostline (2 feet out here) with concrete, it won’t allow the addition to flex with the older building.

Now I say “flexing” but what I mean is a door may be harder to open after a big rain. I can’t imagine that the old building is moving up or down more than half an inch. I just don’t want any joints to crack too much.

I hope this makes sense but thanks in advance for your help.

Brand new member. Woodworking for 36 years.

2 replies so far

View rwe2156's profile


3230 posts in 1715 days

#1 posted 09-14-2016 02:32 PM

I would build it exactly like the existing bldg or you will have problems like maybe the roof leaking.

-- Everything is a prototype thats why its one of a kind!!

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5363 posts in 947 days

#2 posted 09-14-2016 02:32 PM

first ….... let me welcome you
second ….. all buildings should be anchor to below frost line

-- Tony---- Reinholds,Pa.------ REMEMBER TO ALWAYS HAVE FUN

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