Water damage is fairly common in kitchens.
Leak in kitchen sub floor soaked.
Use a pry bar to remove any protruding nails and vacuum up the demolition debris.
How to find a leak in plumbing pipes under floors.
Soaked wood quickly develops mold and rot that impacts adjacent framing and drywall.
Drying out is necessary to prevent mold and rot.
In cases of extensive water damage drying the subfloor after a flood can be very difficult and that complicates repairs.
First and foremost make sure to soak up any excess water that is seen lingering on the surface of the floor.
Use a circular saw set to 1 depth to cut the subflooring back beyond the damaged areas until you reach solid structural framing.
Leaking pipes often project a strange hollow hissing sound.
Listen carefully for this noise because if you detect it it can lead you right to the source of the leak.
If the remaining solid wood is wet ventilate the area and allow it time to thoroughly dry before installing replacement materials.
Often homeowners insurance covers subfloor replacement after water.
This is to make sure that it does not absorb into the wood or flow into the cracks which would cause damage to the subfloor.
Not only should liquid be removed from the flooring but any water soaked items as well.
Drying a water damaged subfloor a limited or short lived leak that s made it as far as the subfloor may not be a big problem provided you can stop the leak then dry out the subflooring and any neighboring elements framing floor and wall finishes etc completely.
It happens over time when water from the sink is spilled when plumbing fixtures or appliances.
How to repair water damage to plywood on a kitchen floor.