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Floor replacement from underneath - possible?

Posted: Mon Oct 14, 2024 9:40 am
by newbee
Greetings,

Looking to purchase a used 2017 home that requires the entire one side of the home floor decking replaced due to a leak and rotting floors.

Is it possible to replace the entire floor from underneath - even under the walls, cabinets, showers, etc?
I do not understand how this can be done when the wood floor is sandwiched between the floor joist and walls, cabinets, showers, etc

The owner says it can be done, but I just do not understand how.

Thank you.

Re: Floor replacement from underneath - possible?

Posted: Wed Nov 20, 2024 2:44 am
by jiwolog
Yes, it is technically possible to replace the entire floor from underneath the home, including under the walls, cabinets, and showers, but it is a complex and costly project. If your home has a crawl space or an accessible foundation (such as a raised foundation), this will be crucial. If the home is built on a slab, this method won't be feasible because the flooring is integral to the structure.

Re: Floor replacement from underneath - possible?

Posted: Wed Apr 02, 2025 4:23 am
by cohnelburn93
Replacing the entire floor from underneath is extremely difficult, if not impossible, because the floor decking is typically secured under walls, cabinets, and fixtures, so a proper repair usually involves removing and reinstalling those structures.