VEVOR Reflective Insulation Roll, XPE Foam Core Radiant Barrier, 10.3 mm 40 in x 5 ft, Aluminum Foil Foam Core Heat Reflective Shield, Thermal Insulation Roll for Garage Door Window RV Roof

Whays the r value of this insulation?

VEVOR Insulation Roll Aluminum Foil XPE Foam Core Radiant Barrier 40 in x 5 ft Was wanting to use this on the backside of my plastic panels to reduce heat in my Can-Am X3U TV/side-by-side Would it hold up even if it gets a little bit wet sometimes after the first 24 hours of no water

Will this work for under concrete