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This old garage! advice on structural stuffs

1950coronet600hp

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Joined
Aug 14, 2010
Messages
81
So, my garage is creeping up on 100 years old. built almost entirely of 2x4 rough sawn. and entirely out of wood. presumably the concrete floor was added later, who knows when..

anyways, I have an issue with a support column, it looks like the concrete is lifting, and also the beam is "shredding" you can see in the support beam for the 2nd floor, its lifted about an inch.

kXwWZHG.jpg


5kI1ecK.jpg


oh and then we have some 100 year old "quirkyness" the support beam, ends on top of a window, with nothing directly below it :headscrat

(to the right of the sign, kinda a crappy pic)

iJnNIZO.jpg


ok so that's it. here's the battle plan and what I want to end up with. at some point I want to extend the garage towards the street about 10' and I also want a lift.

the bay to the right of the garage has enough total height for a lift. so, I want to open the floor up to the rafters on that bay, and redo the left bay's ceiling with 2x6's to be able to store things with some heft up there.

and finally where the window is, behind it is an enclosed porch, that's really being unused as a porch, and more as storage. I want to divide it to make half of it a porch, and the other will open into the garage for more storage by a large "pass through" where that window is.

most of this is a long way out, but that column needs my attention soon. but what I want for an end result, should I just replace the wood beams with lally columns? or should I go all out and replace that entire support beam, with lally columns, being as it will be eventually carrying the weight of the roof, and the new floor? and then concrete thickness becomes an issue for the lift too.

I'm trying to do this bits at a time as money and time permits, so obviously I'd like to not have to do anything twice...
 
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acer66

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Dec 4, 2010
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Western North Carolina
Your pics are not loading for me, GJ has some issues with some hosting sites iirc.
Best thing might be to upload them to your album here.
 
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1950coronet600hp

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Messages
81
I poked it, its soft, think its just rotting? going to replace them with a concrete filled column, but wanted to make sure it wasn't something else causing this...
 
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dthor68

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Jul 1, 2017
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205
Location
Greer, South Carolina
There is no doubt that 100 year old wood/concrete joint will not be in good shape. I could be wrong but that damage could have been accelerating by rats/mice. Rodents teeth never stop growing. They have to frequently gnaw or the teeth will grow through their skull.


Sent from my iPhone using The Garage Journal mobile app
 

rlitman

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Oct 18, 2010
Messages
24,591
Location
Long Island
There is no doubt that 100 year old wood/concrete joint will not be in good shape. I could be wrong but that damage could have been accelerating by rats/mice. Rodents teeth never stop growing. They have to frequently gnaw or the teeth will grow through their skull.


Sent from my iPhone using The Garage Journal mobile app

The fuzziness does look like rodent damage, which would not be structural, but it's hard to call that over the distance of the internet.

If it's soft at the bottom and not higher up, then it's probably just rotting from moisture from the slab and nothing worse.
 
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1950coronet600hp

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Aug 14, 2010
Messages
81
weird, I've seen one field mouse over the winter, that was it... well either way, concrete pole thing, here I come! lol
 
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