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Benchmark thermo pine/Spruce Battens Cp 3 – External Corner 42X42MM

Benchmark Thermo Pine/Spruce Battens CP 3 42×42 mm are premium, thermally modified wood battens crafted to serve as external-corner supports or trim in timber cladding systems. With a stable, durable, rot-resistant profile and precise 42×42 mm square section, they help create sharp, weather-resistant corners, structural sub-frames, fence posts, and support frameworks — combining strength, dimensional stability, and ease of installation.

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Key Features & Benefits

Thermally Modified Pine/Spruce — The wood is heat-treated (heat + steam rather than chemicals) to improve its stability, moisture resistance, decay and rot resistance, thereby extending its lifespan and making it suitable for external use.

CP 3 Profile: External-Corner Ready — The “CP 3” designation indicates this batten is shaped for corner use — enabling clean, neat external corners in cladding façades or timber structures, without exposing raw end-grain.

Dimensions 42 × 42 mm – Uniform & Structural — Square cross-section gives uniformity, strength and dependable support — suitable for corner framing, substructure battens, fence posts, pergola framing, or load-bearing cladding supports.

Durability & Weather Resistance — Thanks to thermal modification, the batten resists moisture, swelling, shrinking or warping, even in exposed external conditions — which is critical for long-lasting cladding and external wood construction.

Eco-Friendly & Chemical-Free Treatment — Thermal modification avoids chemical preservatives, making the wood more environmentally friendly and safer for use in residential or commercial projects.

Ready for Installation & Versatile Use — Pre-finished/smooth-planed surface (assuming planed square-edge) allows easy handling, cutting, and fastening with screws or nails; can be used in cladding sub-frames, corners, fences, pergolas, etc.

Compatibility with Cladding Systems — Works well with cladding boards from the same “Benchmark / Thermo-wood” family, enabling proper batten spacing, ventilation gap behind cladding, and compliance with installation guidelines (e.g. battens at ≤ 600 mm centres, 25 mm or greater batten thickness) as recommended by the manufacturer.

 BrandBBTS

 Dimension

Discover Benchmark Thermo Pine/Spruce Battens CP 3 42×42MM

Applications

External corner framing for cladded façades — ensuring clean, weather-tight corners and structural integrity.

Sub-frames / support battens for external cladding (rainscreen façades) when corners or edges require reinforcement.

Fences, gates, boundary walls — as corner posts or supporting framework for exterior timber fences and screens.

Pergolas, gazebos, external timber structures — for structural framing or corner supports.

Decking or external wooden installations where corner strength and stability is needed (e.g. deck edging, steps, pergola posts).

Renovation or new builds where stable, rot-resistant support is required for timber cladding or external architectural timber features.

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Haiden Mellford
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Good owner.
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VIRAJ SINGH
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Great materials and excellent-quality timber. The timber I received was exactly as described. Delivery was on time, and the service was professional and well organised. Highly recommend this supplier.
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jeremy rose
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A wonderful surprise !!! A business that listens and delivers great product at a sensible price!! Have purchased here several times. They are friendly keen and no fuss. Perfect !!! 👍 Thumbs Up 👍😎👍
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bibin james
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Had a great experience with Bendigo Building and Timber Supplies! Yogesh was fantastic to deal with friendly, helpful, Highly recommend!
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Olivia Howard
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Had a great experience with Bendigo Building and Timber Supplies! Excellent service and quality products under one roof. Yogi was fantastic to deal with friendly, helpful, and very professional. Highly recommend!
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John Fraser
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Bought 21 90*35 @6m, cheaper than Bunnings and they gave me a good discount on top of that. Could not fault the delivered timber nor the service, give them a go!

Frequently Asked Questions

Ans:- “CP 3” refers to a special profile designed for external (and internal) corners in timber cladding systems — it ensures a neat, seamless corner detail without exposing cut ends (end-grain) of cladding boards.

Ans:- Thermal modification significantly improves resistance to moisture, rot, decay and insect attack, while reducing wood movement (warping, shrink/swell) — making battens more stable, long-lasting, and suitable for exterior exposure compared to untreated softwood.

Ans:- Yes — due to the thermal treatment and appropriate profile size (42×42 mm), these battens are suitable for exterior use, where they support cladding, fences or other timber construction and resist weather effects.

Ans:- No — since they are thermally modified (not chemically treated), there is no need for additional preservatives. Periodic inspection and optionally protective finishing (oil or stain) may be applied depending on exposure and design requirements.

Ans:- They are recommended for external timber cladding systems that rely on a ventilated rainscreen approach — supporting cladding boards, allowing ventilation behind them, and forming clean corners or edges where needed.

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Australia-Wide Delivery Support

For locations outside Bendigo, we partner with trusted logistics providers

Flexible Delivery Scheduling

We’ll work with you to arrange timing that fits your project needs

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Due to the ongoing oil crisis, there has been an increase in the delivery charges and prices.