Dual Layer Aluminium Heat Shield sheeting by Funk MotorsportAs one of the most impressive heat shield insulation barriers on the market, Funk Motorsport Dual Layer sheeting dramatically reduces heat transfer, even in the harshest of environments. Two aluminium heat barrier sheets sandwich our signature Funk Motorsport insulation to produce the ultimate heat barrier solution. Dual Layer Aluminium barrier heat shield sheeting uses rockwool heat insulation and easy to shape metal heat shielding for Motorsport