How to build weatherboard cladding battens?

Hi folks,

I'm planning on a small project to build an extension 10m2.

Attached is a draft frame drawing (unfinished).

There are 3 walls need to be cladded with weatherboard.

Can you please give me some advice on?

1. Between James Hardie Primeline Newport vs Weathertex Primelok Federation Smooth, which one is more reliable?

2. Do I need to use battens between frame stubs and weatherboard? People recommend battens system to ensure airflow and avoid condensation.

Thank you so much.

framing framing

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Jason

Hi @tan_tran81,

Welcome to the Bunnings Workshop community. We're pleased to have you join us and look forward to reading all about your projects and plans for around the house and garden.

Please note that there might be a delay in getting back to you as one of our resident Bunnings D.I.Y. experts is on leave today.

Thanks for your patience in the meantime,

Jason

MitchellMc

Hi @tan_tran81,

When considering materials, James Hardie Primeline Newport is known for its durability and resistance to moisture, rot, and termites due to its fibre cement composition, making it a reliable choice for longevity and low maintenance. On the other hand, Weathertex Primelok Federation Smooth offers a more natural look, being made from timber products; however, it may require more upkeep to prevent warping or cracking over time. If longevity with minimal maintenance is your priority, Primeline is likely the better option, while Weathertex can be suitable if you're willing to invest in regular care.

Using battens between the frame studs and the weatherboard is highly recommended for several reasons. Battens create a cavity that promotes airflow behind the cladding, helping to prevent moisture buildup and reducing the risk of mould and rot. Additionally, this system effectively manages condensation by allowing moisture to evaporate rather than getting trapped against the building materials.

Here's the installation guide for Primeline and Weathertex.

Please let me know if you have any questions.

Mitchell

tan_tran81

Hi Mitchell,

Thank you so much for the comment.

Tan

Nailbag

Hi @tan_tran81

I've installed both systems mainly with replacement boards and personally I have found the Hardy product the easiest to install. And as @MitchellMc mentioned the Weathertex product though looks more natural, but have been the more common boards I have had to replace due to poor maintenance. And definitely follow his advice on the battens to reduce the chance of internal cavity moisture.

Nailbag

tan_tran81

Thank for the comment, @Nailbag

tan_tran81

Hi Folks,

Can you please recommend screw size to build external stud wall framing size 90mm x 45mm?

There is mixed of toenail and straight screwing.

Thank you so much.

Tan

EricL

Hello @tan_tran81

Thanks for sharing your question about what screw to use on 90x45 timber. I recommend using either Zenith 10 - 8 x 75mm Galvanised Countersunk Rib Head Timber Screws or the Buildex RapidDrive Treated Pine Screws 10g x 75 mm (10 TPI) Climacoat. Please remember to drill pilot holes to prevent the timber from splitting.

Here is a link to a handy guide: How to choose the right screw for the job by @Adam_W.

If you need further assistance, please let us know.

Eric

tan_tran81

Hi Folk,

Can you please recommend product for battens between frames and cladding?

These battens is for air flow and prevent condensation.

Thank you so much.

EricL

Hello @tan_tran81

Thanks for sharing your question about what wood type to use for battens. Generally, I would suggest using 70 x 35mm Framing MGP10 H2 Blue Pine 2.4m for inside the house. Can you please tell us more about what you are trying to build. Is it a wall or are you framing over an existing brick wall? Is there a specific size you are after? What kind of cladding are your using? Any extra information can provide would be every much appreciated.

Eric

MitchellMc

Hi @tan_tran81,

Did you decide on what cladding you'll be using? Once we know what product you'll be going with, we can reference its installation guide to find out what sized battens you would need to use.

Mitchell

tan_tran81

Hi Mitchell,

Sorry for late reply.

I will be using JH PrimeLine Newport https://www.bunnings.com.au/james-hardie-4200-x-170-x-9mm-primeline-newport-weatherboard_p0710340

It's small extension appx 10m2 from a brick house.

I live in Sydney so the humidity level is not quite extreme.

Thank you,

Tan

MitchellMc

Hi @tan_tran81,

Here's the installation guide. Provided you use sarking under the cladding, there is no need for battens, and you can affix the weatherboard directly to your stud frame.

Mitchell

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