LOWEST PRICE GUARANTEE. John Beal Inc. will beat any competitor's legitimate written quote with a lower bid or pay a one time payment of $100. Must be an apples to apples comparison (Owens Corning products, same warranty, same installation and BBB accredited business). Must provide a copy of competitor's written quote before John Beal Inc. delivers material. Can not be combined with any other offer, discount or coupon. Claims in the advertisement expire 9/15/17. Coupon void if altered.