MDO 1S 3/8"

Size: 4x8
Description: MDO 1S 3/8"
Price: $38.78/PC


Medium Density Overlaid Plywood

3/8" - 4'x8' - One Step
Overlay 1-Side
Raw Plywood Back / Has no Backer

Guardian® One-Step MDO is an economical, industry standard, paint grade plywood panel providing good surface for finishing.

Panel Construction/Moisture Resistance:
Guardian® One-Step MDO is constructed of an MDO overlay on plywood with Douglas Fir/Hemlock construction. It is produced with a one-step layup and has a waterproof glue bond and meets APA PS 1-09 specifications. Made in the USA.

Working Faces/Treatment:
Guardian® One-Step MDO is available with one or two working faces and no backer. The working face consists of Kraft resin impregnated MDO overlay.

Working Edges/Treatment:

  • Edges are factory sawn, without edge treatment.
  • Fill, prime and top coat all exposed wood with at least two coats of acrylic, polyurethane or polyurethane-acrylic.


  • Exterior signage and billboards.
  • Cabinets, display, fixture, shelving and workbench tops.
  • Pallets, bins, totes, creates & reels.
  • Agricultural & industrial wall lining; soffit & fascia; noise barrier.
  • Truck body & trailer liners; doors and boat seats.
  • Theatre/movie set scenery.

Guardian® One-Step MDO is not a finished product. It requires priming, two top coats and two edge coats for exterior applications.

Features and Benefits

  • Economical, standard MDO panel
  • Easily painted, Durable surface
  • High strength & screwholding, light weight
  • Waterproof bond = water/humidity resistance
  • Very low formaldehyde; meets CARB

Product Downloads:
Material Safety Data Sheet
Product Specifications

**CARB COMPLIANT***Available Thicknesses: 5/16", 3/8", 1/2”, 5/8”, 3/4” & 1-1/8" Panel Sizes: 4’ WIDTHS X 8’ & 10'LENGTHS.