AMPM DOOR carries Carriage House wood sectional doors, which are designed for a custom look for homes, where steel Amarr, Clopay, Wanye Dalton, Finishline doors are used for commercial applications. The most common of these doors roll up overhead at a 90-degree angle and travel at an incline or vertically. These doors travel on a track with rollers and are assisted by a spring counter balance system and cables. For your convenience, all of the components of a steel and wood sectional door are replaceable. The door can be insulated, weather-sealed, or both.