Coupon must be presented at the beginning of the sale process. Not valid with any other offers or discounts. Sale and clearance items excluded from additional discounts. Discount applies to materials only. Accessories and installation are excluded. Prior orders are exempt. See store for offers and warranties. All offers are for retail sales only; no contract/commercial. Although we make every effort to ensure that our advertising is accurate, we cannot be held liable for typographical errors or misprints. See store for details