Joist Protection

Protect your deck substructure with My Deck’s joist protection products. Designed to block moisture, prevent timber rot, and extend the lifespan of joists and bearers, our durable, weather-resistant solutions create a long-lasting barrier against water and decay. Ideal for Australian conditions, they help keep decks strong, stable, and built to last.

Calculate Your Decking Requirements

Use our deck planner to determine the quantity of boards you’ll need based on your deck size. 

It’s quick and easy! 

Expert Tips

Get expert tips from our specialists and build with confidence.

Browse Products

Everything you need for your next Outdoor Project in one place. More than just composite decking, here you will also find tools accessories, drill bits, joist protection, fixings and more. 

Convenient and reliable, our products were tested with third parties and approved by outdoor specialists, saving you the hassle. 

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