StoArmat / Miral Render Systems

Branz-appraised StoArmat Render Systems provide the perfect reinforcing render to ensure maximum system reliability for a wide range of substrate construction including solid masonry, brick, AAC, EPS and fibre cement sheet claddings. 

Sustainable and environmentally friendly, StoArmat Render Systems excel against the impact of climate conditions and seismic activity. StoArmat, an organic, cement-free and breathable, high-impact render, with a crack resistance six times higher than that of standard cement-based plasters, ensures maximum system reliability; reinforced with glass fibre mesh and finished with Stolit finishing render, creating a 4mm weather tight reinforcement system for reliability and protection that surpasses durability requirements.

Installations are carried out by a Sto Registered Licensed Building Practitioner with the added protection of a StoArmat 20 Year Warranty and StoService Assurance, guaranteeing building code compliant materials are used and application meets building code standards, including a service plan for long-term security.

StoArmat reinforcement render with Stolit finishing renders are manufactured in Germany for guaranteed quality and application consistency. Sto organic, cement-free renders have evolved over 50 years with a successful global history covering over 100 million SQM.

The StoMiral Render System is a BRANZ appraised mineral render system that builds on recognised stability of solid masonry construction.  Providing a strong, durable, economical solution for masonry and foundation work, garden and retaining walls, incorporating Stolit finishing renders, with the added protection of a Sto 10-15 Year Warranty and StoService Assurance.


  • Application on a wide range of substrates.
  • Suitable for new build, refurbishment and remedial.
  • Branz Appraised.
  • StoArmat 15 or 20 Year Warranty with StoService Assurance.
  • Highly flexible and crack-proof.
  • Resistant to weathering and highly weather tight.
  • High durability and impact resistance.
  • Excellent water permeability and vapour diffusion.
  • Highly resistant to mechanical and seismic stress.
  • StoFlexy meshed waterproofing for horizontal surfaces and foundations.
  • Ready-to-use components for guaranteed application consistency.
  • Standard detail drawings available.
  • Finished with integrated weather tight Stolit finishing render.
  • Category
    Render Plaster Systems
  • Range
    Render Only Systems
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Synonymous with rendered facades, Sto is a company with worldwide experience in exterior insulation, renders and coatings. Sto has built a reputation for providing compliant, weathertight and highly durable exterior rendered facade systems, with a unique range of textured finishes, that extend the life-cycle of the building facade.

As the authorised partner of Sto for Australasia, we are committed to the Sto philosophy. "Building with conscience".

Sto Render and Facade Systems are tested and appraised by BRANZ to surpass New Zealand's tough environmental conditions. Installed by our experienced network of Sto registered LBP Contractors, and have the added protection of the StoWarranty with StoService Assurance program. Protecting you and the property investment.