Kem Aqua® 5431 Acrylic Latex Tannin Blocking Primer

KEM  AQUA® 5431 Acrylic Latex Tannin Block Primer
is an acrylic latex, force dry primer for interior and exterior wood   products. This easy sanding  primer is designed to block tannin bleed  common in many types of wood species  such  as  redwood,  western  cedar, eastern white pine, oak, poplar and fir. Typical  end  use  applications include preserved wood products such as siding, window parts, door jambs, fascia board, shutters and millwork trim  where tannin staining is a concern.