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Timber Decking Designed For Harsh Environments
product overview

Marineplank timber decking

Mortlock Timber

Create classy decking that is as tough as the Australian sun and the salty sea air. Marineplank is a durable and reliable decking which can cope with difficult environments such as harsh sunlight, heavy foot traffic and marine conditions. Perfect for residential and commercial projects, Marineplank is a versatile decking that will enhance the appearance of any space. It is trusted by leading builders and architects across Australia to deliver unequalled durability and first class aesthetics every time.


Marineplank classy decking


Over the past 20 years we have been perfecting our decking to offer you the highest standard products that will help bring your vision to life. Versatile, durable and attractive, Marineplank showcases our expertise in product advancement. With its precision machined domed surface, Marineplank achieves better water run off than other decking products, preventing dry rot from occurring under the plank.

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Mortlock Timber

Product benefits

Straight Boards

Straight timber for easy installation


Dome profile for maximum water run-off

Commercial Grade

Designed to withstand harsh environments


Supplied ready for installation

Marineplank Overview

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Marineplank is an excellent choice for both commercial and residential applications, and really shines when used in spaces that receive high traffic or are exposed to harsh weather conditions. It has been trusted by leading Australian architects and builders in large scale projects like the Perth Stadium and Mandurah Forum as well as residential projects, pool timber decking and public boardwalk applications.

Marineplank is a versatile profile which shines wherever it is installed, whether that is a timber deck around a pool or a public marina boardward that benefits the local community.

Commercial Decks
Residential Decks

Timber species

Select timber species below to see their corresponding finishes
Blackbutt Clear Oiled More Info
Burnt Ash Clear Oil More Info
Burnt Ash
ironbark Clear Oiled More Info
Jarrah Cleared Oiled More Info
pacific teak clear oiled More Info
Pacific Teak
Spotted Gum Clear Oiled More Info
Spotted Gum

Profile & Sizes

Block Profile
  • 85mm x 20mm
  • 85mm x 30mm
  • 130mm x 20mm
  • 130mm x 30mm
  • 175mm x 40mm


Marineplank can be installed on timber or steel joists and is designed for bearers and joists that are compliant with the AS1720 and the National Construction Code. Spacers should be used to maintain a consistent gap between the decking boards and adjacent walls. Each board is fixed to each joist with two screws per board per joist, and four screws should be used where boards are butt joined.

For a detailed description of the installation requirements for Marineplank, please get in touch for our product and pricing guide.

Mortlock Timber

Useful Info


Warranty Information Sheet

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Fire Information Sheet

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Maintenance Information Sheet

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Does the domed surface make furniture unstable?

The dome is very small, we have never had complaints from customers where furniture has become unstable. In fact, customers have preferred the domes surface rather than flat, they have commented that it is more comfortable to walk on.

Does Mortlock Timber provide an installation service?

No Mortlock Timber does not provide an installation service. As the manufacturer of timber products Mortlock Timber focuses on producing high quality products and leaves the installation to expert installers. We do, however, work closely with the installer, providing advice about installation and caring for our products to help the project run smoothly and successfully.

Marineplank Timber Decking can be installed by a qualified carpenter, landscaper or decking contractor.

Marineplank pricing

Fill out the form below to download an in-depth pricing guide and information brochure for Marineplank marine decking. The guide contains detailed pricing information to assist with budgeting as well as helpful illustrations, photographs and portfolio examples of what is possible. Still need further information or advice? Get in touch with the Mortlock team directly and we'll be more than happy to help.


    Mortlock Timber

    request sample

    To experience the quality and finish of our products, we encourage you to complete this form to request a sample. Our team will be in touch with you to provide you with samples of your choice, and from our experienced team’s recommendations.
    Mortlock Timber

      Marineplank Sample options (Select from the option below)

      1) Message :- 3) SAMPLE OPTIONS?:-


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