My server seems to be using stone and only stone, default config for no decay but when output to rcon is true its spamming:
NoDecay] Decay (stone) before: 16.61641 after: 0
[NoDecay] NoDecay checking for block damage to wall
[NoDecay] NoDecay not checking for local cupboard.
[NoDecay] Decay (stone) before: 16.00083 after: 0
[NoDecay] NoDecay checking for block damage to wall
[NoDecay] NoDecay not checking for local cupboard.
[NoDecay] Decay (stone) before: 15.84204 after: 0