Removing old, stuck deck screws

[Snipe Hunter]

You have to use a vise, clamp the screws in it, and pull them out (one at a time, as soon as they start to move). Again, you probably have to be very careful when removing the screw.

[EightFingers]

It’s another zombie. I’ve seen several in the past week.

[crokett™]

A wrecking bar will pull the decking off the screws. You don't need to cut around it. After that you have several options for getting rid of the screws. It is much easier to do without the wood around them. A good whack with a framing hammer usually just snaps them off.

[Bob10]

Been there, done that. Carbide tipped oscillating blade. Get under the decking and cut the screw at the joist. Any screw stub can be whacked into the joist.

These are the ones I use. Not cheap but you can zip thru a screw in a few seconds. Use the whole blade so you don't wear out just a few teeth and the blade lasts longer.

I picked up a couple blades for the Fein today it was near $100.  I have to be more careful with them going forward. I was a bit surprised they are about 4 times what I got them for last time.