DEVI offers full range of electrical heating mats for floor heating systems and outdoor grounds. DEVImat™ DSVF-150 is a thin heating element attached to a self-adhesive mat backing, easy to install and in NZ mostly used for under tile heating applications. Indoor, DEVI heating mats are used for new builds and renovation projects, where you can put them on existing flooring. DEVI mats are very convenient for electrical heating system installation on large areas.