Enough of COVID...what are you doing to the house?

Anyone have experience with screw / helical piles?

Wife is asking about extending the cottage rearward for more living space and one consideration instead of excavating is that type of floor support.

Anyone use them before? How do you insulate the floor? We don’t need a bigger basement so I’d be ok with just building an addition for some more space while keeping the basement as is.
Done properly, they can work well. Proper screw piles measure torque during install. There is a known relationship between torque and bearing capacity. Talk to the structural engineer that has to sign off and local building department to see how they feel. Ultimately, what they accept matters more than what works.
 
Anyone have experience with screw / helical piles?

Wife is asking about extending the cottage rearward for more living space and one consideration instead of excavating is that type of floor support.

Anyone use them before? How do you insulate the floor? We don’t need a bigger basement so I’d be ok with just building an addition for some more space while keeping the basement as is.
They’re not DIY. I’ve used them a couple of times, the diy ones are unstable , the machine torqued piles are great… except for cost, about $1000 a piece.

Just use concrete filled sono tubes, inexpensive, easy DIY.
 
Anyone have experience with screw / helical piles?

Wife is asking about extending the cottage rearward for more living space and one consideration instead of excavating is that type of floor support.

Anyone use them before? How do you insulate the floor? We don’t need a bigger basement so I’d be ok with just building an addition for some more space while keeping the basement as is.
I would do footings and slab on grade then you have a nice heated floor to work with and no issues with burrowing animals etc.

Sent from my Pixel 10 using Tapatalk
 
I would do footings and slab on grade then you have a nice heated floor to work with and no issues with burrowing animals etc.

Sent from my Pixel 10 using Tapatalk
That has an elevation problem. Not insurmountable but it would need some work. Ground floor that he would like to extend is 2-3' above grade IIRC. He could make a back split using what is an existing exterior side door to access stairs. Enclose the deck area and have a few stairs down to the addition and stairs up if he wants to be baller and double the square footage.
 
That has an elevation problem. Not insurmountable but it would need some work. Ground floor that he would like to extend is 2-3' above grade IIRC. He could make a back split using what is an existing exterior side door to access stairs. Enclose the deck area and have a few stairs down to the addition and stairs up if he wants to be baller and double the square footage.
I would do footings and slab on grade then you have a nice heated floor to work with and no issues with burrowing animals etc.

Sent from my Pixel 10 using Tapatalk
Thanks both! I wonder if this would be the more economical option / DIY (doable) versus lifting / lowering the basement so I have more clearance.

All we need is maybe 1 additional bedroom, and a larger bathroom in there because it's super tight. You've seen it @GreyGhost
 
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