Baumit UniPrimer is a high quality ready mixed primer designed for use before the application of decorative renders and facade finishes. Specially developed for External Wall Insulation systems and render applications, it improves adhesion, reduces substrate absorbency and ensures an even finish across the surface.

Formulated with кварц fillers for enhanced grip, Baumit UniPrimer creates the ideal bonding layer for silicone, acrylic and decorative renders. It also helps improve workability and colour consistency of the final render coat, making it an essential part of professional facade systems.

Key Features

• Premium ready mixed primer
• Improves adhesion before render application
• Reduces substrate absorbency
• Helps achieve an even decorative finish
• Contains quartz fillers for enhanced grip
• Suitable for External Wall Insulation systems
• Ideal before silicone and decorative renders
• Easy roller or brush application
• Suitable for residential and commercial projects
• Weather resistant formulation

Recommended Applications

• Before application of silicone renders
• External Wall Insulation systems
• Decorative facade finishes
• New build developments
• Refurbishment and renovation projects
• Residential and commercial buildings

Technical Information

• Bucket Size: 25kg
• Colour: White
• Application Method: Roller or brush
• Approximate Coverage: around 0.25kg/m² depending on substrate
• Drying Time: approximately 24 hours depending on weather conditions
• Application Temperature: +5°C to +30°C

Available Colours

Baumit UniPrimer is available in different colour options designed to complement decorative render finishes.

Please contact us before ordering to confirm:
• colour availability
• lead time
• minimum order quantities
• and delivery options

White colour may be available from stock. Coloured primers are usually prepared to order.

View the official Baumit Life Colour System here:

Baumit Life Colour System

Why Choose Baumit UniPrimer?

Baumit UniPrimer helps create the perfect base for decorative render systems by improving adhesion and ensuring a consistent finish across the facade. Its quartz enhanced formulation provides excellent grip while helping reduce patchiness and uneven drying during render application.

Trusted by professional installers, Baumit UniPrimer is an essential component in high quality External Wall Insulation and facade render systems.

Available now from Bee BM – specialists in EWI systems, silicone render and professional building materials.