Redwood Boards are available in the standard redwood grades as defined by the Redwood Inspection Service. The grades include: Clear All Heart redwood in both vertical and mixed grain. Clear grade redwood (sometimes known as Aye Grade), Heart B and B Grade redwood are available in mixed grain. Mixed grain orders include a combination of flat grain and vertical grain redwood boards. We offer Construction Heart/Select exposed which is a high-end Construction Heart redwood grade that has fewer loose knots and higher quality edge knots.This grade has a better appearance and will perform better when exposed to the weather as compared to the standard Construction Heart grade. If you have questions about redwood grades and properties, please give us a call. We’ll be happy to answer your questions and give you a redwood price quote.