Ronseal High Performance Wood Filler has a two-part system that creates seriously tough repairs to virtually any interior or exterior wood. You can fill to any depth and even drill, screw or plane it.
For interior or exterior use
Rebuilds rotten wood
Cures wet rot and prevents recurrence
30 mins drying time
No shrinking or cracking
Tough and durable repair. Can be sanded, planed, screwed and nailed