Access hatches are used for entry to ceiling and roof spaces to service and monitor electrical, plumbing and air conditioning systems and equipment. Designed by experienced team of New Zealand suspended ceiling fixers and engineers.Sizes are compatible with specified furring channel and steel stud spacings to trade guidelines. Sizes available UNIHATCH Set Bead H.Down 300 x 300mm 450 x 450mm 530 x 530mm 560 x 560mm 600 x 600mm 850 x 850mm UNIHATCH Fire-rated Set Bead 300 x 300mm 450 x 450mm 530 x 530mm 560 x 560mm UNIHATCH STC-rated 450 x 450mm 530 x 530mm UNIHATCH Flanged Hatches 300 x 300mm 450 x 450mm 560 x 560mm 600 x 600mm