Interlock®, Interlock Lifetime Roofing Systems®, Alunar®, Never Re-Roof Again.® Interlock Arrow Sign® are registered trademarks of I.E.L. Manufacturing Ltd. and are used under license. State Contractor License No. OR 130826, WA INTERII020LC. Promotion: *Cannot be combined with any other promotional offers or discounts. A 25% down payment is required for financing 1 Year No Payments, No Interest Offer. Offer valid for this promotion only. Discount cannot be applied to previous purchases. Price discounts depend on size and location of your home. Minimum 12 Sq. purchase required for discount offered. Must purchase an Interlock Lifetime Metal Roofing System to qualify. Available only at time of purchase. Offer not valid if contract cancels. Offer does not apply to contract amendments. Offer only available in Washington and Oregon. † On Approved Credit. Offer expires April 30, 2025.