This underfloor insulation is designed to insulate your home by fitting snugly between the timber floor joists. It's perfect for insulating under new or existing homes, and is an essential component for a healthy, energy efficient home. This material retains its shape and won't sag over time. This pack includes 9 panels measuring 560 x 1200mm with a thickness of 60mm, and meets the standards of the New Zealand Building Code.