What is a Modular Brick System? A Guide to Prefabricated Brick Facades

The difference between modular brick and traditional masonry

Traditional bricklaying lays individual full-depth bricks in mortar, course by course, on scaffolding. A modular brick system replaces this with prefabricated brick components (thin brick facings fixed to a carrier rail or panel) installed as complete units.

The result is a genuine brick finish at a fraction of the weight and installation time. Nexbrick™ is Australia's only mechanically fixed modular brick system: 25mm real brick slips engaged into a dual-engagement Australian-made steel rail. Total system weight: 55kg/m², 65% lighter than full masonry.

How the rail and slip system works

The Nexbrick™ dual-engagement rail is fixed to the structural substrate (concrete, steel frame, or masonry backing). Real brick slips are mechanically engaged into the rail from two contact points. No mortar is required for the brick-to-rail connection, which is what makes upside-down soffit applications and curved facades structurally viable where mortar cannot go.

Installation: prefabricated panels or onsite

Nexbrick™ can be installed as factory-assembled prefabricated panels crane-lifted into position, or installed onsite slip by slip. Prefab panels are up to 4× faster than conventional bricklaying and remove all wet trades from the site.

On Iglu Tower Melbourne, Nexbrick™ was delivered as crane-lift panels across 3,300m², one of Australia's largest prefab brick facade installations. The Round Whitehorse (1,600m²) used onsite installation to execute extensive curved cladding with custom jigs.

Why modular bricks are gaining ground in commercial construction

Three converging factors are driving adoption:

• Labour scarcity: Skilled bricklayers are increasingly difficult to source. Modular systems drastically reduce on-site labour requirements.
• Schedule pressure: Traditional masonry is weather-dependent and can dominate the critical path for months. Prefabricated brick panels are manufactured offsite regardless of weather, then installed in days.
• Structural load: Full masonry at 180–220kg/m² imposes structural penalties at height. A modular brick system at 55kg/m² removes them.

The right choice for your project

If brick is the specified aesthetic on a commercial project, a modular brick system should be evaluated alongside traditional masonry. The trade-offs in speed, weight, and design flexibility are significant, and in most commercial contexts they favour the modular approach.

Explore the Nexbrick™ product page. To discuss your project, contact the Modular Masonry Group team.