JULONG limited warrants to the original purchaser that each JULONG Product will be free from manufacturing defects that cause the Product to rot, corrode, delaminate, or excessively swell from moisture for a period of twenty (20) years from the date of the original consumer purchase. Each Purchaser of a JULONG Product is solely responsible for determining the effectiveness, suitability and safety of any particular use or application of the Product. Building code regulations vary from area to area. Each Purchaser should consult local building and safety codes for specific requirements.