Lay In Ceilings Lay In Ceilings Metone Lay In tegular edge ceilings are simple cost effective integrates seamlessly with both partition and signage. It is easy to install with t bars and with of benefits no tools are fasteners required to access plenum space. Plain & Perforated Description Specification Material BGL / Aluminum Thickness 0.5 / 0.7 Size 600 x 600 mm System Lay In Suspension 15 mm & UDT Finish Pre-Painted & Powder Coated Perforations Plain & 1.8 mm