TAM Skylights are warranted against defects in material and workmanship for 120 months (10 years) from date of shipment for models, DTP, DLP, DTPO, DLPO, DTS, DLS, DTA, DTAO, DLA, AND DLAO and 60 months (5-YRS) for models DDP, DDS, DDPO, DDA, DDAO, SDS, SDP and SDPO provided the skylight or skylights are installed in accordance with TAM's instructions. Liability of TAM INDUSTRIES, INC. is limited to the original roofing structure and original retail purchaser. Subsequent re-roofing and homeowner(s) are not covered under warranty. Under all circumstances, TAM INDUSTRIES, INC. shall not be responsible for any incidental or consequential damages and expenses such as shipping, installation, removal or any other related expenses. We will either repair or replace the defective skylight(s) at our option at no charge to the customer. TAM is not responsible for damage of the skylight(s) resulting from acts or conditions not within the control of TAM INDUSTRIES, INC. This warranty does not cover damages caused by misuse, and is voided if the purchaser made any material alterations to the structure of the finished product. To make a claim, present original sales receipt and other proof of purchase along with a written description of the problem involved to your supplier or to TAM INDUSTRIES, INC. (9420 - 16th Avenue Southwest, Seattle, Washington 98106). Once the claim is approved by the factory, the defective skylight(s) must be returned or shipped freight prepaid by the claimant to TAM INDUSTRIES, INC. for repair or replacement.