Rolled Beams G550S – 100X50 1mm G550S

Rolled Beams 100 × 50 (1mm G550S) are engineered for reliable performance across a variety of construction needs. Manufactured from high-tensile G550S steel, these beams offer an excellent balance of strength and efficiency, making them well-suited for light structural frameworks, supports, and general building applications.Despite their slim 1mm profile, these beams provide dependable load-bearing capacity while remaining easy to transport, cut, and install on-site. Their precision-rolled form ensures consistent dimensions and a clean finish, helping achieve accurate alignment in structural assemblies.Designed with practicality in mind, Rolled Beams 100 × 50 are ideal for projects where durability, cost-effectiveness, and ease of handling are key considerations. With proper installation and maintenance, they deliver long-lasting performance in both residential and light commercial construction.

Why COLORBOND^® steel

Durability

With five layers of protection, COLORBOND^® steel has been designed to endure our harsh Australian environment and provide long-lasting durability you can trust. Our high quality steel is coated in our industry leading enhanced corrosion-resistant Activate^® technology*, then further enhanced with pre-treatment, primer and a baked-on topcoat.Learn more about our testing and five layers of protection

*Activate^® technology is not available for COLORBOND^® steel products with a galvanised steel substrate.

Thermal comfort

COLORBOND^® steel’s core colour range in the Classic and Matt finish features our specially designed Thermatech^® solar reflectance technology. Thermatech^® reflects more of the sun’s heat on hot, sunny days which may help increase your comfort while reducing your dependence on air conditioning*. Thermatech^® is available in all core colours except Night Sky^®.Learn more

*Results will depend on roof colour, level and location of insulation, type and location of building shape and function.

Sustainability

To help create a more sustainable ‘circular economy’, every COLORBOND^® steel product incorporates recycled material and the steel itself is 100% recyclable. Moreover, COLORBOND^® steel’s proven longevity keeps resources in use for longer, minimising its impact on the environment.Learn more

Warranty backed by BlueScope

When you choose COLORBOND^® steel, you’re also getting the support of BlueScope, one of Australia’s largest manufacturers. That’s why COLORBOND^® steel’s renowned durability is backed up by some of the most robust building product warranties for eligible applicants.Learn more

Make sure it’s genuine

Over fifty years of Australian research and development has created a range of technologies that give genuine COLORBOND^® steel its long lasting performance when subjected to some of the harshest Australian conditions. You can make sure you’re getting the genuine article by looking out for the COLORBOND^® steel branding on the product, or its packaging.Learn more