GALVANISED REBAR

Utilise N-grade galvanised rebar for a superior protective barrier between reinforcing steel and corrosive elements.

Galvanising provides a protective zinc coating that adheres to reinforcing steel, preventing elements from corroding the rebar and giving the reinforcement a stronger bond in concrete. Both our Australian-certified deformed and round reinforcing bar products can be hot-dipped galvanised to suit your project requirements.

Unlike some protective coatings, hot-dip galvanising does not compromise the bond between reinforcing steel and concrete. As fresh concrete cures, the zinc coating reacts with the cement paste to form a stable layer of calcium hydroxyzincate on the surface of the reinforcement.

As outlined by the Galvanizers Association of Australia, once the concrete has hardened, this passive layer enables galvanised rebar to develop bond performance equal to, and in many cases greater than, conventional black reinforcing steel while providing superior corrosion protection.

COMPETITIVE GALVANISED REBAR PRICING

Purchasing steel reinforcing bars from specific stores can be high-priced, especially in larger volumes. We’re able to provide cost-effective concrete bar prices to the civil, commercial, residential and DIY industries. Select from our stocked sizes below or we can cut-to-size to suit your specifications.

GALVANISED REBAR AVAILABLE FOR SALE AROUND AUSTRALIA

The fact that our country is surrounded by ocean waters means that a considerable number of those who build are faced with the prospect of their materials being worn down over time. Concrete is great in terms of sustaining compression but is less capable where tension is concerned and so steel rebar has been the go-to solution to bolster its effectiveness. However, over time, even steel can succumb to the elements.

The good news is that our galvanised rebar is a steel rebar with a galvanised coating that provides excellent protection from rust. This adds a level of strength and durability to the material, which makes it much more capable in the long run and less likely to weaken. As such, concrete structures on the coast that incorporate this product not only benefit from the tensile resistance that it offers but will find that the material is much harder-wearing over time.

When you choose Bestbar for your hot-dip galvanised reo bar needs, you not only get premium reinforcement steel that is manufactured from sustainable means, but you will find a team ready to support you with the best customer service in the business.

HERE TO HELP

If you need support or have any questions, please feel free to give us a call on 1800 237 822. We’d be more than happy to help you accurately determine what galvanised rebar you’ll need for your building or concrete project, plus we’ll work closely with you to ensure our product is in stock and that you’ll receive your reinforcing steel order on schedule. All locations across Australia can Cut & Bend and fabricate rebar to suit your application. Find your closest Bestbar location here.

CALL NOW

DOWNLOAD PDF

Five N Grade Galvanised Reinforcing Bar or Rebar bundled together

Sizes * = STOCK PRODUCT All mesh can be cut to size

Product Code	Diameter	Length (mm)
N10	10	6000* 9000* 12000*
N12	12	6000* 9000* 12000*
N16	16	6000* 9000* 12000*
N20	20	6000* 9000* 12000*
N24	24	6000* 9000* 12000*
N28	28	6000* 9000* 12000*
N32	32	6000* 9000* 12000*
N36	36	6000* 9000* 12000*
N40	40	6000* 9000* 12000*

Prices

Galvanized reinforcing bar can vary quite significantly in price depending on the amount and complexity of the items.

Factors to consider:

Quantity
Size
Pick up or delivery
Galvanising or threading

For detailed galvanized rebar pricing or large volume orders, call us on 1800 237 822

PRICE RANGE

Standards

Downloads

FA_Bestbar_Product-Guide_v7_2026-compressed

Download PDF

VideoHOW IS REBAR CUT & BENT?

What is galvanised rebar?

Galvanised rebar, or galvanised reo bar, is standard N-grade reinforcing steel that has been hot-dip galvanised to provide long-term protection against corrosion. During the galvanising process, a deformed and round reinforcing bar is immersed in molten zinc, creating a metallurgical bond between the zinc and the underlying steel.

Unlike surface-applied coatings, this bond becomes an integral part of the reinforcing bar, delivering durable protection throughout the life of the structure. The zinc coating protects the galvanised reinforcing bar in two ways:

Firstly, it acts as a physical barrier, preventing moisture, chlorides and other corrosive elements from reaching the steel.
Secondly, it provides sacrificial protection, meaning the zinc corrodes in preference to the reinforcing steel if the coating is damaged or exposed.

This dual protection mechanism helps extend the service life of reinforced concrete, particularly in aggressive environments where corrosion is a concern. In addition to protecting against chloride attack, the zinc coating also offers increased resistance to concrete carbonation, helping preserve the integrity of the reinforcement as concrete ages.

Suitable for structural applications wherever N-grade reinforcing steel is specified, galvanised steel rebar provides engineers and contractors with an effective solution for projects requiring enhanced durability without compromising structural performance.

For projects where additional corrosion protection isn’t required, explore our range of standard N-grade deformed reinforcing bar.

When is galvanised rebar worth the investment?

A standard black reinforcing bar is a reliable and cost-effective solution for many residential, commercial and civil construction projects, particularly in dry inland environments where the risk of corrosion is low. However, projects exposed to coastal conditions, chlorides, moisture or other aggressive environments often require a higher level of corrosion protection to help achieve their intended design life.

In these applications, galvanised rebar offers an additional layer of protection through its hot-dip zinc coating, which helps delay the onset of corrosion and reduce the risk of concrete cracking and spalling caused by reinforcing steel deterioration. This makes galvanised reinforcing bars well suited to structures where long-term durability, reduced maintenance and extended service life are important design considerations.

While galvanised steel rebar typically has a higher upfront cost than standard black steel reinforcement, the additional investment can often be justified for structures exposed to aggressive environments by helping reduce future inspection, maintenance and repair requirements over the structure’s service life.

When should you specify galvanised rebar?

Galvanised reo bar is commonly specified where reinforced concrete will be exposed to environments that increase the risk of corrosion throughout the structure’s design life.

By protecting reinforcing steel against moisture, chlorides and other aggressive elements, galvanised reinforcement helps reduce maintenance requirements and improve long-term durability. Galvanised reinforcing bar is well suited to applications including:

Coastal developments exposed to salt-laden air
Marine structures such as jetties, wharves and boat ramps
Bridges and transport infrastructure
Car parks and exposed concrete structures
Wastewater and water treatment facilities
Industrial plants and processing facilities
Retaining walls and civil infrastructure exposed to harsh environmental conditions

Where corrosion protection is required across the entire reinforcement system, consider pairing your reinforcing bar with galvanised reinforcing mesh for a complete corrosion protection solution.

If you’re unsure whether galvanised rebar is the right specification for your project, our experienced team can assist with product selection, estimating and scheduling to ensure your reinforcement meets both structural and environmental requirements

Specify galvanised rebar with confidence

Whether you’re designing for a coastal development, marine structure, bridge, water-retaining structure or another project exposed to aggressive environmental conditions, Bestbar can supply galvanised reo bar manufactured to Australian Standards and tailored to your project requirements.

Our experienced team can assist with product selection, estimating, cut and bend fabrication and delivery scheduling to help keep your project running smoothly from specification through to installation. Contact your nearest Bestbar branch today to request a quote or discuss the right galvanised reinforcing bar solution for your next project.

FAQs

When should I use galvanised rebar instead of standard rebar?

Galvanised rebar is typically specified where reinforced concrete will be exposed to conditions that increase the likelihood of corrosion, including coastal environments, marine infrastructure, bridges, wastewater facilities and exposed concrete structures. While standard reinforcing steel performs well in many applications, galvanised reinforcing bar provides additional corrosion protection for projects with longer design lives or more aggressive environmental conditions.

Does galvanised rebar bond as well as standard rebar in concrete?

Yes. Hot-dip galvanised rebar has been shown to achieve bond performance equal to, and in some cases slightly greater than, conventional black reinforcing steel. As concrete cures, the zinc coating forms a stable chemical interaction with the surrounding cement paste, helping maintain excellent bond characteristics while providing superior corrosion protection. This allows engineers to specify galvanised steel rebar without compromising structural performance.

How long does galvanised rebar last?

The service life of galvanised reinforcing bars depends on factors such as environmental exposure, concrete quality and cover depth. In aggressive environments, the protective zinc coating significantly delays corrosion compared with uncoated reinforcing steel, helping extend the lifespan of reinforced concrete structures and reduce long-term maintenance requirements.

Can galvanised rebar be cut and bent?

Yes. Bestbar can cut, bend and fabricate galvanised reo bar to suit your project requirements. Our experienced fabrication teams work to your specifications to ensure reinforcing steel is prepared for efficient installation while maintaining high-quality standards.

Is galvanised rebar more expensive than standard rebar?

Galvanised rebar generally has a higher upfront cost than standard reinforcing steel due to the hot-dip galvanising process. However, for projects exposed to corrosive environments, the additional investment can deliver long-term value by reducing maintenance, extending service life and helping minimise future repair or replacement costs. Our team can provide competitive pricing and help determine the most suitable reinforcement solution for your project.

TIRED OF WAITING?

Purchasing quality stock reinforcing mesh? If it’s in stock, pick up instantly at any trading centre in Australia or get it delivered within 24 hours.

CUT & BEND

Cut & bend runs under 100kg can be completed within 2 hours

QUALITY ASSURANCE

ACRS certified & conformed to AS/NZS 4671:2001

INSTANT PICKUPS

Australia wide instant pickups on in stock products*

DELIVERY WITHIN
24 HOURS

Australia wide delivery on in stock products*