I haven't used their siding products, but have used their trim for many years. It seems to last, and if you're going to paint it, paint adheres to it quite well. Follow their installation instructions to the letter. The biggest issue is expansion and contraction due to temperature. Don't even think about putting a dark finish on it.

Hi there! Thank you for the answer. So dark paint colors are out the question. Is there a lot of expansion/contraction with trim or just usual siding movement. I know nothing about siding🤦‍♀️.

Mari what did you end up doing? I am considering Azek lap siding and trim also. Thanks