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Old 09-10-2010, 08:27 AM   #1
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Piling deterioration


Brother-in-law has an old beach house here in SC and there are several pilings that have deteriorated. It was built in the early 70s and all pilings are contacting the concrete slab. Some, the ones that have remained dry, are in great condition. While those that have taken more than their fair share of water from storms and celestial high tides and the shower stall have rotted downward mostly. Is there any means of reinforcing these? All effected pilings are on the perimeter of the slab. Coach just wants to get a few more years outta the place. So do George Jones and Jack Daniels and the Virginia Gentleman. Any suggestions are appreciated.
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Old 09-10-2010, 09:33 AM   #2
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I havent delt with beach front property before, but I'd think the best course would be to suport the structure, then dig out the old piling and replace it with a concrete one.

maybe just 5remove the rotten wood and put a concrete cone around it to reiforce the weak area and help the water run away.
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Old 09-10-2010, 10:05 AM   #3
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There are several options for repairing existing wooden piles, most of them are not DIY. You will probably need a building permit for any of them, check with your local building department.

Option 1, if the wood is not too bad, it can be treated with epoxy impregnation by a qualified specialty firm. This involves epoxy injection into the wood using special, high pressure equipment.

Option 2, remove damaged wood down to undamaged wood, wrap the pile using special fiberglass tape with the epoxy and activator in the tape. Activate tape, you have a stronger pile. Again, requires a specialty contractor.

Option 3, remove damaged wood, install external ring around pile, inject concrete. Kind of like a concrete sandwich. Again requires special equipment.

Option 4, replace pile. Expensive, difficult job.
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Old 09-10-2010, 12:48 PM   #4
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Thank you to both of you for responding with what seems a doable job. I am leaning toward concrete reinforcement. Basically supporting each section of house - its a one story, digging down possibly to the bottom of the piling - yes they might not be as deep as they ought to be, and forming around the existing piling with tubular forms and lapping atleast 6 foot above ground level. What we don't do for relatives.
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