Garage Door Reflective Insulation Kit (Made in the USA) Size 18L x 7H 5 panel super shield 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 4 panel (4 horizontal rows high) pricing. If your garage door has 5 horizontal rows then the cost would be extra (1 extra roll plus shipping) Please message first if you have a 5 panel garage door. 95.00% of the garage doors made in the USA have 4 horizontal rows.