The 100mm Isotherm is recommended as a top up in roofs that already have 100mm Isotherm Installed. The 100mm Isotherm Price is available in twin packs or single packs. Isotherm is a polyester insulation that is dust free and allergy free.
Isotherm is manufactured using plastic bottles (PET) these bottles would generally be pollution on our planet for more than 400 years. Converting this pollution into energy saving Ceiling Insulation is a winner. This, in fact, makes Isotherm one of the most Eco-friendly Ceiling Insulation products on the market. For more info read our Isotherm Insulation page.