Welcome to Tasman Insulation, manufacturers and marketers of quality foil and glasswool insulation, roofing, sinkware and flooring products.Tasman Insulation New Zealand, Tasman INZ, Flamestop, Harvi Barrier, Harivkraft, Bitumac, Glass Wool Batts, Pink Batts, Moistop, Radiant Heat Barrier, Vapor Barrier, Glass Wool Thermal Insulation, Acoustic Material, Noise Controllers, Concrete Underlay Vapor Barriers, Building Papers