M_Boats: Companionway boards

I have to replace my companionway hatch boards. The track will accept 3/4 inch thick stock. Any suggestions for type of wood to use? Will something other than expensive teak work?Should the ends be splined to prevent warping from the sun? Thanks, Tom B <https://www.avast.com/sig-email?utm_medium=email&utm_source=link&utm_campaign=sig-email&utm_content=webmail> This email has been sent from a virus-free computer protected by Avast. www.avast.com <https://www.avast.com/sig-email?utm_medium=email&utm_source=link&utm_campaign=sig-email&utm_content=webmail> <#DDB4FAA8-2DD7-40BB-A1B8-4E2AA1F9FDF2>