Our products include Knauf Earthwool ceiling insulation: R3.6 is 175mm thick, and R4.1 is 195mm thick. Each insulation segment is 1160mm long x 430mm wide. Both meet the new regulations standards NZS4246, which is over 170mm.
Knauf Earthwool underfloor: R1.5 rated, and 70mm thickness. Each segment of insulation is 2700mm long and 470 mm wide. Insulation is in segments, meeting the NZS4246 code.