We offer a Lifetime Warranty on our durable and quality-tested steel mechanisms and frames. This guarantee is backed by both us and our supplier who has been in the business since 1980. May be mounted in either vertical or horizontal modes, depending on your preference or room height. Made of powder-coated, structural steel and designed to exceed the strength of wood or aluminum, as well as residential and commercial specifications. Constructed with three steel cross bars for added strength and support. Specifically designed to exceed International ISO 9002 Standards for residential specifications.