Diamond Kote Woodgrain Pre-Finished Engineered Wood Trim Board, 16 ft. Lengths

Regular price $87.00

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Diamond Kote Woodgrain Pre-Finished Engineered Wood Trim Board, 16 ft. Lengths


Diamond Kote Woodgrain Trim is pre-finished engineered wood trim built on LP SmartSide trim board, offered in 16 ft. lengths from 4/4 x 6 in. up to 5/4 x 12 in. and in White, Seal and Chestnut finishes. The advanced metal-oxide paint finish resists fading, peeling and chalking. Boards are sold individually; the exact unit depends on the size and color selected.


Key Features:

  • Fade-resistant finish: Prefinished with Diamond Kote paint using natural metal oxide colorants that will not peel, chalk or fade.
  • LP SmartSide substrate: Trim boards are built on LP SmartSide trim, treated with LP SmartGuard for strength and durability.
  • Weather and pest resistance: SmartGuard treatment helps the trim withstand extreme temperatures, heavy humidity, freeze/thaw cycles, termites and fungal decay.
  • Blind nail application: Designed for blind nailing, which prevents visible face nails on the finished trim.
  • Low maintenance: The finish resists dirt and grime buildup while locking out moisture and cleans easily.
  • Multiple sizes: Offered in a wide assortment of widths, from 4/4 x 6 in. up to 5/4 x 12 in., all 16 ft. long.

Specifications Table:

Specification Details
Brand Diamond Kote
Sell unit 1 board (per size/color variant)
Product line Diamond Kote Woodgrain Trim
Material Engineered wood (LP SmartSide trim substrate)
Finish / texture Prefinished Diamond Kote paint with woodgrain look
Available colors Seal, Chestnut, White
Available sizes 5/4 in. x 4 in. x 16 ft., 5/4 in. x 6 in. x 16 ft., 4/4 in. x 6 in. x 16 ft., 5/4 in. x 8 in. x 16 ft., 5/4 in. x 10 in. x 16 ft., 5/4 in. x 12 in. x 16 ft.
Length 16 ft.
Dimensions 5/4 in. x 4 in. to 5/4 in. x 12 in. widths (also 4/4 x 6 in.)
Assembly Blind nail application, preventing face nails
Intended use Exterior trim accent for siding installations

Coverage & How Much You Need:

Each board is 16 ft. long, so one piece covers 16 linear feet of trim run at its nominal width. Estimate total linear footage of your trim, add a waste allowance, and divide by 16 ft. per board.

Fit and Compatibility:

Designed as a matching trim accent for siding installations, pairing naturally with Diamond Kote pre-finished siding in coordinating colors. Fasteners and flashing are sold separately; follow the substrate manufacturer's fastening requirements for engineered wood trim.


Frequently Asked Questions (FAQ):

Q: What sizes and colors are available?
A: Boards come 16 ft. long in 5/4 x 4 in., 5/4 x 6 in., 4/4 x 6 in., 5/4 x 8 in., 5/4 x 10 in. and 5/4 x 12 in., prefinished in Seal, Chestnut or White.


Q: What is the board made of?
A: It is engineered wood trim built on LP SmartSide trim board, treated with LP SmartGuard and prefinished with Diamond Kote paint.


Q: Will the finish fade or peel?
A: Diamond Kote pre-finish uses natural metal oxide colorants and is stated by the manufacturer not to peel, chalk or fade.


Q: How is it installed?
A: It is designed for blind nail application so no face nails show on the finished trim.


Q: How many boards do I need?
A: Divide your total trim linear footage, plus a waste allowance, by 16 ft. per board.


Q: How much maintenance is required?
A: The finish resists dirt and grime buildup, locks out moisture and is easy to clean, reducing overall maintenance.


Expert Verdict — Reviewed by the SuperArbor Pro Desk

Order trim and siding prefinished in the same Diamond Kote color so field-painted joints never appear on the job. Choose 5/4 stock for corner boards, window and door casings where a beefier profile is wanted, and 4/4 x 6 in. for simpler frieze or band applications. Cut ends should be sealed per the substrate manufacturer's guidance, and blind nailing keeps reveal lines clean.

Cutting engineered wood trim generates dust; wear eye protection and a dust mask, and use appropriate fasteners for structural trim applications.


Add Diamond Kote Woodgrain pre-finished trim to your siding project for a color-matched, low-maintenance finish.

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