Flamestop and Harvi Foil Tasman Insulation manufactures and exports a wide range of foil laminates for use as vapour barriers, principally in high rise construction projects. Our brands are Flamestop and Harvi Foil. Made with pure aluminium foil our vapour barrier products are a perfect barrier to moisture and condensation build up, and will protect the insulation systems around air conditioning ductwork. Can be used as a vapour barrier for computer flooring, ceilings and pipe jacketing where moisture control is required. Our vapour barriers can be fire retardant and are mechanically strong when designed with three way reinforcing. Flamestop and Harvi Foil have a water transmission of less than 0.2ng/Ns. Tasman can purpose design a material to suit your needs.