From Adobe Lumber & Decking Center
Construction Heart Redwood (also known as Con Heart and/or Deck Heart) is also readily available at Adobe Decking Center. 2x4 and 2x6 is available in a kiln-dried, smooth four sides (S4S) product. It is the traditional choice for decking, railing, and pergolas. Ask our knowledgeable staff about other redwood products available in stock.