Tailored additives for gypsum, cement, and lime heritage plasters across modern and traditional applications
Plaster remains a vital material in construction and finishing — from creating smooth, decorative surfaces in residential interiors to restoring historic buildings with lime-based formulations. Oscrete’s plaster additive solutions are designed to support both modern production methods and traditional craftsmanship, offering enhanced workability, durability, and finish quality across a wide range of plaster systems.
Whether you’re working with gypsum-based plasters for internal decorative use, machine-sprayed plasters for efficient application, or jointing compounds and fillers for finishing and repair, Oscrete’s additives help optimise performance and ease of use. Our range also supports lime and heritage plasters for use on both historic and environmentally sensitive modern constructions.
Plaster mixes often require careful balance between workability, setting time, and finish quality. Oscrete’s additives are formulated to:
These benefits are especially valuable in machine-applied systems, where consistency and flow are critical, and in restoration work, where traditional lime plasters demand precise control and compatibility.
Our plaster solutions incorporate advanced technologies to meet the evolving needs of contractors, manufacturers, and heritage specialists:
Osperse RT02 – Retarder for Controlled Set
Osperse RT02 is a high-performance retarder designed to extend open time in gypsum-based plasters, allowing for greater flexibility during application and finishing. It helps prevent premature setting and improves overall workability — especially in warmer conditions or large surface areas.
Elotex Polymers – Enhancing Adhesion, Flexibility & Water Repellence
Elotex polymer additives are used to improve the mechanical properties of plaster, increasing adhesion to substrates, enhancing flexibility, and providing water-repellent characteristics. These polymers are ideal for jointing compounds, fillers, and plasters where durability and finish quality are key.
Stikloporas – Lightweight Aggregate for Thermal Performance
Stikloporas is a specialist lightweight aggregate manufactured from 100% recycled glass that can be used to enhance the thermal properties of plaster. It supports energy-efficient construction by improving surface comfort and reducing heat transfer — particularly useful in internal wall systems and renovation projects.
Oscrete’s plaster additives are compatible with a wide range of binder systems and application methods. Whether you’re producing bagged plaster for distribution or restoring lime-based heritage surfaces, our technical team is available to support mix trials, formulation advice, and performance optimisation.
Explore our full range via the Product Selector.
Oscrete – Performance Through Partnership Smart additives. Trusted support. Better plaster.
Click the button below to see related DOPs and Datasheets for Plasters.
