Delden DTC 2520 SKU WS-DTC2520-Q Quantity discounts available QuantityPrice (0)No Reviews yet Features .wrap{margin: 0 10px;} .textbox-1 { font-size: 1.25em; font-family: Arial; text-justify: auto; min-height:200px; ... Features Back FeaturesExtra Heavy-Duty20 Gauge Steel Exterior Skin27 Gauge Steel-Back2” Polyurethane Insulation0.19 U-Factor / 19.4 R-Value10-Year Limited Warranty Ratings & ReviewsNo reviews availableBe the first to Write a Review