Why Isotherm?

Save electricity with ISOTHERM Thermal Insulation, the eco-friendly insulation made from recycled PET bottles.

Get Green SA Blog

Improve your lifestyle while protecting the planet! Our Green Blog is all about living, building and decorating the green way!.

Find an Installer

Use our interactive map to find an ISOTHERM Thermal Insulation installer near you!


We manufacture eco-friendly insulation products for roofs, walls, geysers and hot water pipes. Made from recycled PET bottles, our thermally-bonded polyester is non-toxic; good for people and the environment!

Get Green BlogOur eco-friendly insulation products include ISOTHERM, ISOFOIL and ACOUSTISORB.


Save electricity –  Insulate roofs, walls, geysers and hot water pipes with ISOTHERM Thermal Insulation to save electricity and ensure that your home is cool in summer and warm in winter!

Save the environment – ISOTHERM Thermal Insulation is made from the thermally-bonded polyester of recycled plastic PET bottles. ISOTHERM is environmentally-friendly, non-allergic and resilient.

Ask your local hardware for ISOTHERM Theraml Insulation or find an installer by clicking here.