I'm installing cavity trays above two Catnic lintels. I'm using 450mm wide DPC to form the trays.
The cavity insulation is full fill rockwool. Should I install the insulation above the tray as normal and butt it right up against the tray? Should I cut a diagonal end on the insulation bat so that it's snug and minimises and air gaps?
Thanks
Gary
The cavity insulation is full fill rockwool. Should I install the insulation above the tray as normal and butt it right up against the tray? Should I cut a diagonal end on the insulation bat so that it's snug and minimises and air gaps?
Thanks
Gary