With a 16.4 R-value, ThermaSeal Standard provides proven Raynor reliability and durability
to meet or exceed the requirements of daily use. The 1 8/4" thick product is offered with
the widest selection of quality features and options for the most common product applications.
ThermaSeal Basic is the practical choice when thermal performance is desired but cost is a
consideration. With a 14.5 R-value, the 1 1/2" thick product is available in a limited
selection of sizes, features and options.