On 09/05/2019 13:33, Jim K.. wrote:
Any tips on how to get them out without making more mess of the timber?

When hit backwards they just bend, the heads are firmly stuck :-(

Tried punching back out after the pointy end metal fatigued off
leaving the embedded nail flush but can't get it
moving!

TIA

Are these perhaps the cut nails used in floorboards? If so, old ones can
be very difficult but once snapped off flush on the underside they can
normally be driven through with a punch (from the back).

If oval nails they can often be driven right through from the top side.
Hard work but less risk of splintering the good side.

If round nails (with conventional big heads) then as for flat nails. Or
grind heads off with angle grinder and then drive through from the top,
but this obviously leaves more damage to fill.

Particularly if rusty it may be worth soaking with WD-40 or similar,
although obviously this has the potential to change the appearance.

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