Custom Colour Masonry Paint | Romabio Masonry Flat

Romabio® Masonry Flat – Custom Colours Only is a made-to-order mineral-based paint for brick and masonry surfaces. This listing is specifically for custom tinted colours, perfect for matching existing finishes or creating a unique look. It chemically bonds to brick and stone through silicatization, creating a long-lasting, breathable finish that won’t peel or trap moisture.

• Final sale – custom colours cannot be returned
• Made to order – additional processing time may apply
• No samples available for custom mixes
• Confirm your colour selection before ordering

• Surface must be clean, solid, and free of dust, grease, and loose paint.
• No active water damage, salt deposits, or rising damp.
• Lightly dampen surface before application (especially in heat).

• Ready-to-use or dilute 0–5% (brush/roller), 0–8% (spray).
• Mix thoroughly before use.
• Apply to a dampened surface.
• Maintain a wet edge and work section to section.
• Dry time: 8–12 hours.

• Apply same method as first coat.
• Re-mix paint if it has been sitting.
• Avoid overworking the surface.
• Dry: 8–12 hours (full cure ~15 days).

Pro Tip: Work in shade or cooler parts of the day. Lightly mist surface in hot or dry conditions to prevent flash drying.

• Masonry brush
• Microfiber roller
• Mild detergent and water (cleanup)

• No peeling or chipping – chemically bonds to surface
• Breathable – allows moisture to escape
• Zero VOC – eco-friendly mineral formula
• 20-year durability with proper prep
• Naturally mold-resistant

TDS / SDS