Cement sheeting on timber fence

[Patto]

I have just had a new rear timber fence installed. My side is the railing side and as I have a new swimming pool this new fence forms part of our pool safety barrier. As such I need to ensure the pool area of this new fence is non-climbable. I have already check with the inspector who is due to come and inspect early next week and they will not sign off on what many have suggested being a 60 degree wedge attached to the new railings. I am looking at battening out the rails and attaching fibre cement sheeting. Has anyone done this before? Not too sure on which way to hang the sheets either horizontal or vertical? Does it even matter??? Thanks 

[Cracks]

@Beercules 

Used the 6mm sheets as I was wary of not putting too much additional weight on the existing fence. Haven’t had any problems after 2 years. Thanks for the compliment! 

[kay21]

Did you need to waterproof the back of the sheets ? 

[MitchellMc]

Welcome to the Bunnings Workshop community @kay21. It's marvellous to have you join us, and many thanks for your question about fibre cement sheeting.

Let me tag @Cracks so they are notified of your question.

HardieTex sheets are typically used for cladding exterior walls, where the rear side isn’t directly exposed to the elements because they are installed against the house's structure. When using them for off-spec applications like creating a feature wall it's a good idea to take precautions to protect the rear of the board, particularly if there's any chance of moisture getting trapped behind it.

Encapsulating the back of the HardieTex sheets can help prevent potential issues like water absorption, which could lead to swelling or damage over time. One option is to apply a waterproofing agent specifically designed for cement-based products. These agents create a barrier that helps keep moisture out, offering long-term protection.

Alternatively, at the very least, you could apply a coat of exterior-grade paint, such as Dulux Weathershield, to the back of the sheets. This paint is formulated to withstand outdoor conditions and provides a basic level of moisture protection. While this won’t be as robust as a dedicated waterproofing agent, it’s still a practical measure that can make a difference in prolonging the lifespan of your cladding.

In either case, ensuring proper protection of the rear side is important to avoid any water ingress, especially in areas prone to high humidity or rain.

Please let me know if you have any questions.

Mitchell