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Colorbond Rails 3125mm
Product highlights

Overview Colorbond Rails 3125mm uses only genuine BlueScope COLORBOND® steel sheet, roll-formed to precision tolerances for consistent rib spacing and rail engagement. The pre-painted Thermatech® finish reflects more of the sun's heat than standard paints, reducing fence temperature by up to 10 °C - important for adjacent planting and outdoor living areas. The zinc-aluminium alloy substrate provides corrosion resistance superior to bare galvanised steel in Victoria's coastal-influenced climate zones. Technical Specifications Material: BlueScope COLORBOND® Thermatech® steel (Zincalume® substrate) Base metal thickness: 0.42 mm BMT (standard) / 0.48 mm BMT (heavy duty) Coating: Pre-painted polyester - 15 µm minimum DFT Corrosion resistance: R3 category (AS 2728) Wind load rating: Confirm panel height and post spacing with manufacturer's span tables Warranty: 10 years BlueScope perforation warranty (residential application) Compliance: AS/NZS 2728 (pre-painted steel), AS 1397 (steel base metal) Available colours: Full COLORBOND® palette - Surfmist, Woodland Grey, Monument, and more Best Applications Residential boundary and pool fencing Commercial site security and acoustic screening Rural and semi-rural property fencing Driveway gates and fence returns Council-approved front-of-house feature fencing Delivery & Stock COLORBOND® sheets, rails, and posts stocked at BuildBarn, 3 Eastlink Drive, Hallam VIC 3803. Full colour range available - order matching clips and rails in the same transaction. 24-48 h Melbourne Metro delivery. Flat-deck delivery with delivery-lift available for bulk orders.

Material3125 mm wideSize / dimensions3125 mm wideFinish / colourBasalt®AvailabilitySpecial order
Product overview

Fencing material details, set-out and hardware

Review run length, posts, rails, panels, gates, fixings and site access before ordering.

Product overview

Colorbond Rails 3125mm is available for pickup, delivery or a quote depending on stock, size and location. Check finish, quantity and site notes before checkout.

  • Fencing & Gates option for building-material orders.
  • 3125 mm wide with 3.1 m for estimating materials.
  • Delivery support is available when the suburb and site access suit the selected product.
  • Pair with matching clips, screws, subframe materials and finishing accessories before quote requests.
Ready to order

Confirm quantity after reviewing details

Request a quote for selected quantity, delivery and site access.

Quote requiredRequest price

Request a quote for selected quantity, delivery and site access.

Trade pricing may apply to larger orders.
Delivery quote required
Fencing checks

Run set-out, hardware and site access

Fence run set-out

Plan post spacing, panel length, rails and gate hardware around 3125 mm wide.

Material match

Keep palings, posts, rails, plinths and caps compatible with 3125 mm wide.

Site conditions

Check slope, boundary length, footing depth and access before ordering the fence run.

Load planning

Delivery quote required should account for long lengths, pallet handling and staged installation.

Fence run

Posts, rails and gate hardware

Use these products to complete the fence run or repair section.

Colorbond Rails 3125mmMain itemColorbond Rails 3125mmRequest price
Colorbond Panel - 2400 x 1800 mmFencing & GatesColorbond Panel - 2400 x 1800 mm$111.10Colorbond Post 2400mmFencing & GatesColorbond Post 2400mm$12.10Colorbond Post 2700mmFencing & GatesColorbond Post 2700mm$13.20
Request quote for this item
Fencing comparison

Compare fence material and hardware needs

FactorSelected fence itemTimber fencingMetal fencing
Best use3125 mm wideBoundary runs and repair sectionsPanel systems and gates
Set-outCheck posts, rails and panel spacingConfirm paling, rail and plinth countConfirm panel, post and bracket system
HandlingDelivery quote requiredLong timber needs supported storagePanels need protected unloading
Price planningRequest priceCompare full fence run listCompare panels, posts and hardware
Trade pricing may be availableSign in if approved
Estimate materials for your project Use metric dimensions for a quick board or material estimate.

Enter project area in metres to estimate material quantity.

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Retaining and landscaping material planning reference

Site material checklist

  • Check posts, sleepers, caps and drainage together
  • Confirm truck access and unloading space
  • Check quantities before delivery is confirmed
  • Prepare heavy mixed loads for staff review
Open project guides
Price supportFind a lower price on the same stocked item? Send it through for trade support.Price supportReturns & supportReturn eligible stocked items before installation or order staging. Contact BuildBarn first for damaged, wrong or special-order materials.Returns processDelivery OptionsChoose pickup and delivery support for oversized orders.Delivery details
Product support

Need help with this product?

Ask about sizing, compatible products, site access or installation notes.

Contact BuildBarn
Fence run

Posts, rails and gate hardware

Use these products to complete the fence run or repair section.

Shop related materials
Fencing & Gates
Special order

Colorbond Post 2400mm

60 options / 30 colours
+26
$12.10each inc GST$5.04 per LM

Special order

  • Hallam pickup
  • Delivery
2400 mm wide2.4 m
Fencing & Gates
Special order

Colorbond Post 2700mm

60 options / 30 colours
+26
$13.20each inc GST$4.89 per LM

Special order

  • Hallam pickup
  • Delivery
2700 mm wide2.7 m
Fencing & Gates
Special order

Colorbond Post 3000mm

60 options / 30 colours
+26
$14.30each inc GST$4.77 per LM

Special order

  • Hallam pickup
  • Delivery
3000 mm wide3 m