Models 8000, 8100, and 8200 are Wayne Dalton's basic, entry level steel garage doors. The Model 8000 is an uninsulated, single steel sheet door while the Models 8100 and 8200 are insulated with polystyrene insulation. The 8200 has an R-value* of 7.4 while the 8100 has an R-value of 3.7. The embossed panel designs and optional decorative windows add charm and appeal to your home. For those living in coastal areas or parts of the country with high wind requirements, the Models 8000 and 8100 are available with wind load reinforcement.