How to Remove and Replace a Rotten Subfloor

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Repairing a damaged subfloor is serious business, but it doesn’t have to be scary. Learn from Ashlee & Cody as they diagnose their moisture issues & fix their rotten kitchen flooring.

Difficulty Level: Advanced. If you are not 100% confident with removing and replacing a subfloor, Lowe’s recommends that you hire a professional. Call 1-877-GO-LOWES or visit https://low.es/36meRw8 to learn more about installation services through Lowe’s.

Tools & Materials:

Kobalt circular saw – https://low.es/3MQZweO
Bosch laser measurer – https://low.es/3KKXudf
2×6 pressure treated joists – https://low.es/3GOmDCR
Kobalt impact driver – https://low.es/3L4etc3
Subfloor adhesive – https://low.es/3GQmq20
Plywood subfloor – https://low.es/41zvVuh
Sledgehammer – https://low.es/41ufUWo
Kobalt miter saw – https://low.es/40kBJqy
Kobalt reciprocating saw – https://low.es/3GS3sbk
Wrecking bar – https://low.es/41dSO6F

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Date: January 25, 2019

28 thoughts on “How to Remove and Replace a Rotten Subfloor

  1. It seems nobody ever starts these videos from the beginning, or maybe they assume removing floor board to get to the subfloor is too straightforward to bother mentioning. Still, I would rather go into removing the floor boards with confidence and tips, cuz i aint getting to the subfloor until the top layer is off. These videos always start with the top layer already off, and if i search for how to remove top layer, i always end up back to videos about the sub floor.

  2. Good video…. To remove old nails / screw I use a 4.5" hand grinder with a thin steel cutting blade. I would apply plastic barrier under the floor (on the damp ground surface) and hold it down with a few pails of round 1/2-3/4" gravel (also called river stone gravel). Instead of using glue I use PL Premium – which expands when it fries and holds much better than white carpenters glue. Do this task before covering the floor. Other then these tips, great video. You are good teachers!

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