The commercial ribbed steel pan door is great for shops, warehouses, and applications where heat retention is not as important. This series comes in both vinyl backed R-8.0 insulated and non-insulated models and can be made up to 40 feet wide and 20 feet tall. Color options include White, Sandstone, Brown, and Gray. Window options are also available. The different models are available in 20 gauge to 25 gauge steel with our most popular model being 24 gauge steel. Our most popular models are 3240 (uninsulated) and 3241 (vinyl-back R-8.0).