Repair Systems — 03 — Facade & External Envelope
Acrylic spray-applied render systems
Spray-applied acrylic render systems allow rapid application over large facade areas in a single pass. They are suited to projects where speed of application is critical, such as multi-level facades on Class 2 strata buildings. Typical thickness is 4–6mm, applied in one or two passes with a suitable hopper gun or spray equipment.
What are acrylic spray-applied render systems?
Acrylic spray-applied renders are thin-coat finish systems applied by hopper spray or spray pump equipment to prepared and primed concrete and masonry substrates. They provide a decorative textured finish coat at 4–6mm thickness — faster and more uniform in coverage than hand-applied render on large facade areas — and are widely used on strata facade re-render programmes where spray access on scaffolding allows economical large-area application.
Product Reference
3 products — 3 brands — Dulux Acratex / Rockcote / Solver
System Description
Dulux Acratex spray-applied render systems are machine-applied acrylic renders used for new render installation and re-render on concrete and masonry facades in a single or two-pass spray application. The spray application method provides faster coverage and more consistent texture than hand-applied render on large facade areas — particularly important on multi-storey strata buildings where access is by scaffolding and speed of application reduces access costs. In Australian Class 2 strata facade remediation, spray-applied acrylic render is used where the entire facade is being re-rendered and the project specification calls for an acrylic render system. The spray application method requires machine equipment (hopper spray or spray pump) and experienced operators — overspray control in occupied strata buildings requires careful management. Confirm current product names, spray equipment requirements, and priming requirements with Dulux Trade Technical before specifying.
Technical Properties
- Spray application — faster coverage than hand-applied render on large facade areas
- 100% acrylic binder — UV resistance, colour retention, and weather resistance in Australian exterior exposure
- Applied 4–6mm thickness — thin coat system — suitable as finish render over base coat
Limitations
- Spray application requires machine equipment and experienced spray operators
- Overspray management critical in occupied strata buildings — protect surrounding areas
- Not suitable as sole render system over rough or uneven substrates — requires level base coat
PROCUREMENT SOURCES
Confirm suitability with the current manufacturer TDS before specifying or applying.
Rockcote Spray Render / ArchiStone
Spray-applied acrylic render and texture system
System Description
Rockcote provides a range of spray-applied acrylic render and texture systems for commercial and residential facade installation. The Rockcote spray render range includes fine, medium, and coarse aggregated options achieving different texture profiles, and the ArchiStone and similar products provide stone-effect finishes achievable by spray application. In Australian strata facade installation, Rockcote spray renders are specified on projects where an architectural texture finish is required beyond standard Dulux Acratex options, or where the facade consultant has specified Rockcote products for compatibility with an existing Rockcote render system on the building. Confirm current product names, substrate compatibility, and spray equipment requirements with Rockcote before specifying.
Technical Properties
- Range of texture profiles — fine, medium, coarse, and stone-effect by spray application
- Acrylic and polymer-modified options available
- EIFS-compatible finish coat options within Rockcote system
Limitations
- Specialist spray applicators required for some Rockcote products
- Texture matching for repair work may be difficult on aged facades
- Confirm current product name and spray system with Rockcote before specifying
PROCUREMENT SOURCES
Confirm suitability with the current manufacturer TDS before specifying or applying.
Solver Spray Texture / Machine Render
Spray-applied acrylic render
System Description
Solver provides spray-applied acrylic texture render products through the Solver/DuluxGroup supply chain. These products are used by painting and facade contractors who work within the Solver trade network in eastern Australia. Equivalent in performance to Dulux Acratex spray renders as both are within the DuluxGroup portfolio, they provide a consistent supply option for contractors with established Solver trade accounts. Confirm current product names, spray specification, and primer compatibility with Solver/DuluxGroup Trade before specifying.
Technical Properties
- Acrylic spray-applied render — DuluxGroup supply chain
- Range of textures — fine, medium, coarse available
- Compatible with Solver primer system for substrate preparation
Limitations
- Spray equipment and experienced operator required
- Confirm current product name with Solver/DuluxGroup Trade
- Overspray management required in occupied buildings
PROCUREMENT SOURCES
Confirm suitability with the current manufacturer TDS before specifying or applying.
Acrylic spray render comparison
All systems require primed substrate — texture matching requires test panel. Confirm current products with manufacturers.
| Product | Brand | Thickness | EIFS suitable | Texture range | Key feature |
|---|---|---|---|---|---|
| Acratex Spray Render | Dulux | 4–6mm | Yes | Fine/medium/coarse | Most widely available nationally |
| Rockcote Spray Render | Rockcote | 4–8mm | System-compatible | Fine/coarse/stone-effect | Specialty architectural textures |
| Solver Spray Texture | Solver | 4–6mm | Confirm with Solver | Fine/medium/coarse | Solver/DuluxGroup supply chain |
Disclaimer
General technical information only. Spray render requires appropriate equipment and operator skill — confirm substrate preparation, primer requirements and spray technique with the manufacturer TDS. Not a substitute for professional advice.