Warped boards, Oak floors, any way to restore??

We just discovered an oak floor under the subfloor in our kitchen. Unfortunately, 2 of the boards are warped. The remaining floor is slightly damaged but fixable. I really want to save the floor. Short of going to a salvage yard and hoping to find similar boards does anyone know of any secrets. Most say it can't be done but i have seen 2 methods on line. Have you tried any? 1) drill holes; wet board; then screw board down and fill holes (I don't think this would allow for the natural expansion/contraction) 2) remove boards; wet and place heavy object or vice straight and allow to dry in sun. I would greatly appreciate any advice, especially if you have been successful! Thank you! Christian

Answers:
wet and weight... Okay results...depends on the extent of the curvature....

if the wood is not too badly warped, remove and flip over...then screw down..

remove, run grooves along board about every1/2"...at least a 1/4" deep, more like 3/8"....save the sawdust....then soak and flatten...the kerfs will allow more flexibility....after flattened...fill the kerfs with a mixture of the sawdust and wood glue...then flip over and screw down

Other answers:
I've seen some success with steam and weight. Screwing them back after they're straight won't affect the normal expansion/contraction unless you really overdo it.
If they're heavily varnished, you may need to drill a bit to get water/steam in there.
Good luck.
I've seen some success with steam and weight. Screwing them back after they're straight won't affect the normal expansion/contraction unless you really overdo it.
If they're heavily varnished, you may need to drill a bit to get water/steam in there.
Good luck.
Oak turns black in prolonged contact with water. Replace the boards with some from under a cabinet. This floor needs to be heavily varnished. It will turn black by the sink if water gets under the varnish. I'd sooner rip it all up and lay 12" ceramic tile.
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