Do you require an R4 coating?

If you are building near the surf coast or a sheltered bay, your lintels must have an R4 coating. Our duplex coating meets AS2699.3 with high-quality R3 hot-dip galvanised base, sweep blast cleaning, and a paint coating of high-build epoxy with a final layer of acrylic polyurethane.

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Advantages of R4 Epoxy Coating Lintels - Stainless Steel Equivalent

When it comes to structural integrity and longevity, choosing the right materials for your construction projects is crucial. R4 Epoxy coated often considered the stainless steel equivalent in terms of performance. R4 epoxy coated lintels offer numerours advantages to stainless making it the superior choice with requiring R4 protection.

Stainless Steel Alternative

Here’s why R4 Epoxy coating lintels should be your top choice:

1. Superior Corrosion Resistance

R4 Epoxy coating provides an exceptional barrier against moisture and corrosive elements, significantly extending the lifespan of the lintels. This makes them ideal for use in environments exposed to harsh weather conditions or corrosive agents.

2. Cost-Effective

Stainless steel lintels are known for their high cost, but R4 Epoxy coating lintels provide a more budget-friendly alternative without sacrificing quality. By opting for epoxy coating, you can enjoy similar benefits to stainless steel at a lower cost, making it easier to meet the necessary standards without breaking the bank.

3. Enhanced Aesthetic Appeal

The smooth finish provided by the epoxy coating not only enhances the appearance of the lintels but also allows for easy painting. This makes them versatile for various design requirements and aesthetic preferences.

4. Proven Performance

R4 Epoxy coating lintels have been rigorously tested and proven to perform under challenging conditions. Their reliability ensures that your structures remain safe and stable over time.

5. Comprehensive Protection

The epoxy coating provides complete coverage for all surfaces of the lintel, offering thorough protection against the elements. This comprehensive coverage ensures that every part of the lintel is shielded from potential damage, while the high-quality R3 finish underneath further enhances its durability and longevity.

6. Compliance with Industry Standards

R4 Epoxy coating lintels meet and often exceed industry standards for structural performance and safety. This compliance guarantees that you are using a product that adheres and complies with Australian Standards, hot-dip galvanised to AS/NZS 4680, coated with a duplex coating to satisfy the durability requirements of AS 2699.3:2020 (Built-in components for masonry construction), AS 4773.2:2015 (Masonry in small buildings), and AS 3700:2018 (Masonry structures). It is marked and labelled as standard to meet AS2699.3.2020.

By choosing R4 Epoxy coating lintels, you are investing in a product that is compliant with Australian standards and is equivalent to 316 Stainless Steel – ASTM A240 316L (UNS S31603), which doesn’t break the bank. Whether you are working on a small domestic project or a large commercial build, these R4 duplex-coated lintels offer the performance and peace of mind you need to ensure the success and longevity of your construction projects in severe marine environments. Explore our range of R4 Epoxy coating lintels and discover the difference they can make for your next project. Contact us today for more information or to request a quote.

Explore our range of R4 Epoxy coating lintels and discover the difference they can make for your next project.

Contact us today for more information or to request a quote.


  • Depot Collection is available for bulky and heavy grates and drains over 2m long
  • Free pickup is possible from St Marys or Belmore warehouses, excluding bulky items. Some bulky items require pickup due to size and weight, but this can be discussed
  • Truck delivery is eligible for Structural Steel products, Lintels, Landscape and gardening supplies, Hardware, Grates & Drains (depending on availability), and Any other items exclusively stocked at our St Marys warehous
  • Courier delivery is eligible for Grates & Drains >2m in length and most builder's hardware items (excluding items in the Fasteners category)

Note: Orders with a total weight below the maximum limit are allowed via courier. Please contact us before placing your order to confirm the maximum weight allowance.

Delivery costs are calculated at checkout based on weight, distance, and method. For more details, please contact us directly.

  • Depot Collection points are all across Australia. After entering your delivery details in our Checkout, you will automatically be suggested the closest depot
  • Free Pickup Locations are at St Mary's (Steel Builders Warehouse) and Belmore (Vincent Buda & Company Warehouse)
  • Courier delivery is available Australia-wide for smaller orders and eligible items.
  • Truck delivery is available Available for Sydney Metro and surrounding areas and some ACT postcodes.
  • Depot delivery times vary depending on the depot location, lead times and stock availability for your selected products. Deliveries to NSW can typically take 1-3 business days, while deliveries to WA may take 3-5 business days.
  • For pickups from our Sydney warehouses, the usual timeframe is the next day for eligible orders. However, this timeframe may vary for special or custom items. Please contact us directly for more accurate estimates.
  • Courier shipment delivery times vary depending on the destination. You can expect your order to be delivered within 5 business days across all state/territory capital cities.

Please note that this estimate may change based on factors such as distance and logistics. For specific delivery timelines to your location, please contact us directly

  • Truck Lead times for items not considered pick and pack or not in stock are dependent on many factors and can change daily. While we can ensure your order is delivered ASAP, call our friendly service team to ascertain a specific timeframe once we have received

Please see our Standard Lead Times for an indication. Please contact our team prior to ordering should you have any concerns.