Envirotuff V Foil G302B is a reflective insulation designed to effectively reflect radiant heat through its low-emittance, double-sided reflective aluminium and metallized foil surfaces. This product features a 6-layer laminated structure, composed of fire-retardant 30mm diameter bubble pack, reinforced with fiberglass scrim, and bonded using a specialized fire-retardant adhesive for enhanced durability and thermal efficiency.