#1 Construction Grade 90mm x 140mm x 3660mm Timber

£39.95 excluding VAT


#1 Construction grade is a structural grade material from which appearance grade timbers may be selected. A structurally capable material with some knots and no wane.

Extremely robust section of timber ideal for retaining edges, architectural structures and retaining wall applications.

Treated to UC4 ground contact ,and Kiln dried after treatment,this section provides a strong stable material for deck framing, screen building, decks , raised planters outdoor timber structures etc .


At a glance

  • Construction grade
  • Kiln dried to 18%
  • UC4 treated for ground contact
  • Versatile posting material with a long life span
  • Grown in the Southern states of the USA
  • Available in 3660mm lengths only
  • Colour will darken naturally to a nut brown with UV exposure or can be coloured with a tinted deck oil to suit any taste.


Out of stock

SKU: 3050-1 Category:


90 x 140mm #1 Grade is ideal for deck sub structure, beams, pergola’s and post applications
where height and load bearing issues apply.
The material is also useful for retaining walls and planter structures.
#1 grade material contains tight knots and no wane.

Additional information

board length



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