Garage Door Reflective Insulation Kit (Made in the USA) Size 16L x 7H 5 panel Reflective Foam Core Double Sided) Note: The size being sold is shown above. This kit is Reflective One Side. We also make special custom garage door sizes so please message us for pricing. Our kits are based on a 5 panel (5 horizontal rows high) pricing. 95.00% of the garage doors made in the USA have 4 horizontal rows.