Subsequent replacement and remediation works, along with other technical mitigating measures as required to ensure fire cannot spread through the external structure of a building.
Gwaith gosod deunydd cladio newydd yn lle’r hen ddeunydd cladio a gwaith adfer, ynghyd â mesurau lliniaru technegol i sicrhau na all tân ledaenu trwy adeiladwaith allanol yr adeilad.