Hey Reddit, how do you feel about the inspector's and contractor's after-the-fact radiant barrier solution? No air gap so personally I think it's useless… : r/Homebuilding
Does a Metal Roof Need a Radiant Barrier?
RoofingFoil - How To Install A Radiant Barrier In Metal Or Tile Roofs - YouTube
How to Install Radiant Barrier Insulation - RadiantGUARD
Radiant Barriers Don't Work with Spray Foam Insulation on Them - Energy Vanguard
Radiant Barrier Foil Insulation - Why Is Air Gap or Space Required? - YouTube
How to Install Radiant Barrier Insulation - RadiantGUARD
Radiant Barriers and Insulation | Sacramento Roofing Company