Please note that most of our products are made from natural materials and therefore some products may vary. Thatch roofing and bamboo products do not carry a warranty. Our synthetic products carry different warranties please check with us for specific periods and conditions. Our wood products will experience cracks due to wood checking. This is a natural condition that occurs in wood and is not preventable. Bamboo poles will crack as they expand and contract, this is a normal condition and can not be prevented.