Wood stair treads are available in any wood type. Custom stair treads are our specialty. Just specify the dimentions, we will provide a quote asap. If you don't see the wood species you need, just call us, we have it. If you require extra thick wood stair treads for an open riser staircase, or thick wood stair stringers for that stair system, just send us the dimentions you need. We will quote your stair materilas very quickly.