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 56 in stock now at Gaithersburg, MD


Model #: 34ULTGF



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 4 ft. x 8 ft. x 3/4 in. T&G UNDERLAYMENT / FIR * 5 PLY

Roseburg Plywood underlayment is produced using thin layers of wood called veneers that are peeled from a western softwood tree log and glued together to form one multi-layered wood panel. This process creates a very strong plywood underlayment that is engineered to be a durable protective covering and can be applied directly over the floor joist framing of a building. Roseburg Plywood underlayment delivers outstanding stiffness: strength and versatility.


  • Nails directly over floor joist in 19/32" or thicker panels.
  • Framing applications where state and/or local building codes require greater construction for extra strength.
  • Where additional insulation is desired.


  • APA — The Engineered Wood Association
  • PS 1
  • Better performance with moisture compared to OSB
  • Cross-laminated veneer construction provides superior dimensional stability (resistance to warping). It is also resistant to splitting, puncturing and impact damage
  • Tongue and groove on 2 edges


Item # 34ULTGF

Additional Product Details:

  • Nominal: 4 ft. x 8 ft. x 3/4 in. 
  • Actual: 4 ft. x 8 ft. x 23/32 in. 

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