1. Treat bamboo like you would wood. Do not leave in rain or harsh sunlight. Covered balconies and outdoor sit-outs are fine. 2. Cracking of bamboo is completely normal as it is a natural material, and it generally won't impact the structural integrity. 3. We are happy to repair and repolish your piece for as long as you own it, on request. 4. The fan component has a one year warranty, and can easily be fixed by your local electrician.