Y tri adeilad preswyl uchel yw'r unig rai yn y sector tai cymdeithasol yng Nghymru sydd wedi'u cadarnhau'n adeiladau sydd â systemau Deunydd Cyfansawdd Alwminiwm (ACM) sy'n cyfateb i'r hyn sydd wedi methu profion hylosgedd ar raddfa fawr.
The three residential high-rise buildings are the only ones in the Welsh social housing sector confirmed as having Aluminium Composite Material (ACM) systems corresponding with those which failed large-scale combustibility tests.