For customers seeking a simple and functional egress window solution, Mar-flex created the ModularWells Modular Window Well. This well fits 32″ to 48″ wide slider or casement windows. The built in steps and ladder offer a safe and easy exit from the basement in the event of an emergency. These window wells are designed to be lightweight and modular, allowing you to increase the overall well height by adding additional modules in increments of 14″. All Mar-flex window wells are made from polyethylene material and these modular wells feature UV inhibitors and are designed to withstand weather conditions like freezing and thawing. Check out what has building professionals nationwide talking!