140x21mm Flat Decking Profile, 2 Sided Groove

A Traditional Flat Finish, Built to ShadowDeck™ Standards

For those who prefer the clean, classic look of a flat deck surface, the 140x21mm Flat Decking Profile with 2-sided groove delivers a best-in-class finish without compromising on the ShadowDeck™ hidden fastener system.

With grooves on both edges, this board clips seamlessly into the full ShadowDeck™ fastener range — giving you all the benefits of a nail-free, hidden fixing system with the more traditional flat profile aesthetic.

Key Features

• Flat top surface — a traditional, clean deck finish preferred by many homeowners and builders
• 2-sided groove — grooved on both edges for fast, efficient hidden fixing with ShadowDeck™ fasteners
• 140x21mm profile — standard ShadowDeck™ width, providing a consistent 3mm gap between boards when fastened
• Nail-free installation — no screws through the face, no split ends, no unsightly fixings on the surface
• Best-in-class finish — 140mm wide boards deliver a premium, uniform look across your entire deck
• Premium Kwila timber — a naturally durable hardwood renowned for its rich colour, density, and resistance to the elements

Compatible With

Designed to work seamlessly with the full ShadowDeck™ fastener range. Refer to our Installation Guide for spacing, joist layout, and fixing instructions.

Sold Per Lineal Metre

Use our online calculator at www.ShadowDeck.co.nz to work out how many lineal metres you need for your project.