Guardi Deco Primer 12kg is a ready-to-use primer designed for preparing walls before applying decorative renders or paints. It enhances adhesion, evens out absorbency, and helps achieve a smooth, uniform finish. Ideal for both interior and exterior use on mineral surfaces.
£33.33 ex. VAT
Out of stock
Guardi Deco Primer 12kg is a high-performance, ready-to-use primer designed to prepare interior and exterior surfaces for the application of decorative renders, plasters, or paints. Engineered to improve adhesion and regulate substrate absorbency, this primer creates an even, stable base that enhances the final decorative effect. Its reliable formulation ensures that both color and texture are applied consistently, reducing the risk of defects and saving time on rework.
Ideal for use with the Guardi decorative system, this primer is essential for achieving long-lasting, professional-quality finishes. Whether used on cement plasters, drywall, or mineral surfaces, it ensures that the topcoat adheres uniformly and performs optimally in the long term.
Ready-to-use formulation – No dilution required; mix and apply directly
Strong surface bonding – Improves adhesion of paints and decorative coatings
Absorbency control – Minimizes patchiness and uneven drying
Compatible with color systems – Available in tintable base to match final render
Easy application – Brush, roller, or spray methods supported
Guardi Deco Primer is suitable for priming interior and exterior mineral surfaces such as:
Cement and cement-lime plasters (after 3–4 weeks of drying)
Gypsum-based substrates
Plasterboard (drywall)
Previously painted surfaces with good adhesion
Common users include:
Professional painters and render installers
Contractors working on high-end decorative finishes
Investors and developers seeking durable, aesthetic wall systems
Using this primer as part of the Guardi finish system reduces surface irregularities and enhances the performance of the final coat. It also plays a key role in color matching, as the primer can be tinted close to the final render shade, minimizing tonal inconsistencies.
Ensure the surface is solid, dry, and clean.
Remove grease, dust, mechanical contamination, and loose particles.
Allow new cement plasters to dry for at least 3–4 weeks before priming.
Surface temperature must be between +5°C and +25°C.
Do not dilute. The primer is ready to use.
Stir thoroughly before application to ensure consistency.
Apply the primer using a paintbrush, brush, or sprayer.
Ensure even coverage of the entire surface – no patches or uncoated areas.
One to two coats may be applied, depending on substrate absorbency.
Allow the primer to dry for 12 hours before applying decorative render or topcoat.
Clean tools with water immediately after use.
Coverage: ~0.3 kg/m²
Drying time: approx. 12 hours
Number of layers: 1–2 (based on substrate absorbency)
Application tools: brush, paintbrush, or spraying equipment
Cleaning: water
Storage conditions: Protect from frost; store between +5°C and +30°C
Using Guardi Deco Primer 12kg is a smart investment in the quality and longevity of your decorative wall systems. It ensures even absorption, enhances the adhesion of topcoats, and supports accurate color reproduction. For professionals who value consistent, high-quality results, this primer is an essential first step in any interior or exterior decorative application.
✅ Pro tip: Always use a tinted primer close to the final render color to achieve the most uniform and vibrant finish.