Product Catalog. Featured Products. Thurmalox 270 series coatings are high temperature, fast drying formulations specifically designed to protect stoves (wood, coal, gas, p . . Thurmalox 270 series coatings are high temperature, fast drying formulations specifically designed to protect stoves (wood, coal, gas, p . . Full details. Thurmalox 245 is the primer for both Thurmalox 270 Series and Thurmalox 280 Aluminum heat resistant topcoats.