Insulation options for New Zealand Rentals! Ceilings, under-floors, walls and more insulation choices for rentals in New Zealand – ceilings, underfloors and more Glasswool insulation For ceilings and underfloors. Made using ECOSE® technology, plant based binder with no added formaldehyde, up to 80% recycled glass bottles.   Sheeps Wool Insulation Insulation made in NZ, using … Continue reading