Specifications include, but are not limited to: Treated signposts of various size and lengths for Multnomah County Sign Shop. Posts to be #1 or better, kiln dried, smooth on 4 sides and selected for tight knots. Posts to be "roofed" with a 30 degree 4-way top treated with Copper Napthenate (CuN) or Ammoniacal Copper Zinc Arsenate (ACZA). All products are to meet the American Wood Protection Association Standards for Sawn Products UC4 Ground Contact found in the attached guidelines. Treated signposts of various size and lengths for Multnomah County Sign Shop. Posts to be #1 or better, kiln dried, smooth on 4 sides and selected for tight knots. Posts to be "roofed" with a 30 degree 4-way top treated with Ammoniacal Copper Zinc Arsenate.; Treated signposts of various size and lengths for Multnomah County Sign Shop. Posts to be #1 or better, kiln dried, smooth on 4 sides and selected for tight knots. Posts to be "roofed" with a 30 degree 4-way top treated with Ammoniacal Copper Zinc Arsenate.; Treated signposts of various size and lengths for Multnomah County Sign Shop. Posts to be #1 or better, kiln dried, smooth on 4 sides and selected for tight knots. Posts to be "roofed" with a 30 degree 4-way top treated with Ammoniacal Copper Zinc Arsenate.
