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Species. Lock-Deck™ laminated decking is available in Douglas Fir/Larch, Ponderosa Pine, Western Red Cedar, and Southern Pine. Available on inquiry--Alaska Yellow Cedar, Redwood, White Fir, Idaho White Pine, SPF.


Supreme -- Available in most species, this grade is manufactured with a clear face. This grade may contain occasional small knots or minor characteristics that do not detract from the overall appearance. The grade is the finest in quality and the ultimate in appearance. Supreme is for use where appearance is more important than budget.

Decorative -- Available in all species, this grade contains sound knots and natural wood characteristics. Occasional pieces may contain chipped edge knots, short end splits or seasoning checks, and pin holes. The most widely used grade, it is well suited to most applications.

Service -- Available on inquiry, this rustic grade is recommended for industrial applications where strength is more important than appearance. This grade allows face knotholes, stain, end splits, skip, roller split, planer burn and other non-strength reducing characteristics.

Patterns. Standard Vee, Square Edge, Channel, Bull Nose. Center laminations are offset and machined to form a tongue and groove on both the edges (center match) and the ends (end match).

Lengths. Random 6 to 16, shipped in multiples of 1 and 1" short of nominal. Specified lengths and lengths 18 to 24 or longer are available on inquiry.

Nominal Sizes. 2x6, 2x8, 3x6, 3x8, 4x6, 4x8, 5x6 and 5x8. Following is the typical length assortment for 2", 3", 4" and 5" thicknesses.

Minimum 15% combined 14 and/or 16, minimum 5% 16, maximum 85% 6 to 12, maximum 15% 6 to 9.

Minimum 20% combined 14 and/or 16, minimum 10% 16, maximum 80% 6 to 12, maximum 10% 6 to 9.

Minimum 35% combined 14 and/or 16, minimum 20% 16, maximum 65% 6 to 12, maximum 10% 6 to 9.

Minimum 45% combined 14 and/or 16, minimum 30% 16, maximum 55% 6 to 12, maximum 7% 6 to 9.

Surface Textures. Five textures are offered, with samples available on request.

  • Smooth Surfaced
  • Smooth Sanded
  • Coarse Sanded (16 grit)
  • Resawn (crossband saw texture)
  • Wire Brushed

Moisture Content. 10% to 12% average, maximum 15%.

Adhesive. 100% exterior waterproof type, meeting ASTM D2559. Laminated decking is cured under pressure using high frequency electronics in a radio frequency (RF) press.

Quality Control. Manufactured in accordance with ANSI/AITC 190.1 and certified by an independent inspection agency.

Factory Finishing. Available in factory applied, oven dried, acrylic semi-transparent colors. Click here to see finishes.

Manufacturing Plants. Lock-Deck™ is manufactured in Chehalis, Washington and Warren, Arkansas.

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Contact Lock-Deck™. email: gbrinck@disdero.com. Phone: 800-547-4209 / 503-239-8888
Mail: DISDERO LUMBER CO. 12301 SE Carpenter Dr, Clackamas, OR 97015
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