|improveItem=rock shards
|note=*You must have at least one [[rock shards]] in your [[inventory]] to start building it.
*Each rock shards added adds approx. 10% of its quality value to the wall. For [[repairrepairing]]ing, a 20kg rock shards will fix the walls [[damage]] by 10.
*When using combined shards, the wall will only use 20kg of the total shard weight per success.
}}