This door is a 3 layer insulated garage door with the style being long panel raised with cascade long panel windows. This door doesn’t normally come with long panel windows but we special ordered it this way because of customer request. Doors have steel on the inside and insulation inside the door. This opening is called dutch opening do to the 45 degree corners. We also installed LiftMaster 8550w belt drive openers.
CHI 4283 W/ Long Panel Windows & Cascade Design