Terraco Maxi Acrylic Mastic is an economical, one-pack acrylic joint mastic and crack repair filler designed for sealing and filling joints in demanding interior and exterior building conditions. It forms a strong, water-resistant, dustproof, and damp-proof seal that maintains flexibility to accommodate movement within the substrate.
Suitable for concrete elements, door and window frames, skirting boards, and crack repairs in plaster and concrete. The product adheres strongly to most common construction surfaces and can be over-coated after drying.
Benefits:
• Waterproof and weather-resistant
• Flexible up to +15% of joint size
• Strong adhesion to building substrates
• Easy to apply with caulking gun or spatula
• Paintable after drying
• Cost-effective sealing solution
Application Areas:
• Joints between concrete elements
• Perimeter sealing around windows and doors
• Behind skirtings and architraves
• Repairing cracks in plaster and concrete surfaces
Ensure surfaces are clean and solid before application. Best applied during dry conditions outdoors.
Available in White and Grey.










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