Mapei White AC Silicone Sealant, Mold Resistant, 310ml

Mapei Mapesil AC is a high-quality, mold-resistant silicone sealant that's solvent-free and available in white. Perfect for sealing gaps, joints, and more to prevent water damage

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Mapei White AC Silicone Sealant

The Mapei White AC Silicone Sealant is a premium, 100 % silicone product designed for high‑performance sealing applications in both residential and commercial settings. Packaged in a convenient 310 ml cartridge, this sealant delivers exceptional adhesion, flexibility, and durability while maintaining an immaculate white finish that blends seamlessly with any interior or exterior surface.

Key Features

  • 100 % Silicone Composition: Pure silicone ensures maximum elasticity, long‑term resilience, and superior resistance to temperature fluctuations.
  • Mold & Mildew Resistance: Formulated with anti‑mould agents that inhibit fungal growth even in damp or humid environments such as bathrooms, kitchens, and basements.
  • Solvent‑Free Formula: Eliminates the need for hazardous solvents, providing a safer working environment and reducing volatile organic compound (VOC) emissions.
  • White Color: The pristine white hue offers a clean, neutral appearance that complements any décor or architectural style.
  • Easy Application: Comes in a 310 ml cartridge with a smooth, consistent flow for precise placement and minimal waste.
  • Versatile Surface Compatibility: Bonds effectively to glass, ceramic, metal, wood, concrete, plaster, and most other common building materials.

Performance Characteristics

The Mapei White AC Silicone Sealant exhibits a range of performance attributes that make it ideal for demanding sealing tasks:

  • High Elasticity: Maintains flexibility over a wide temperature range, preventing cracks and maintaining seal integrity.
  • Excellent Adhesion: Strong bond to both porous and non‑porous substrates ensures long‑lasting seals.
  • Waterproofing Capability: Creates an impermeable barrier that resists water penetration, protecting joints from moisture damage.
  • UV Resistance: Retains color and structural integrity when exposed to sunlight, making it suitable for exterior applications.
  • Non‑Staining: The white finish does not bleed or discolor over time, preserving a crisp appearance.

Ideal Applications

This sealant is engineered for a wide array of sealing scenarios where durability and aesthetics are paramount. Common uses include:

  • Bathroom and Kitchen Joints: Sealing around sinks, bathtubs, showers, tiles, and countertops to prevent water ingress.
  • Exterior Cladding and Facades: Protecting joints between cladding panels, windows, and doors from weather elements.
  • Roofing Flashings: Creating waterproof seals around roof penetrations such as skylights, vents, and chimneys.
  • Plumbing and Pipe Seals: Ensuring leak‑free connections in wet areas or under sinks.
  • Architectural Detail Work: Filling gaps in decorative trim, moldings, and other architectural features where a clean white finish is desired.

Installation Guidelines

For optimal results, follow these best practices during installation:

  1. Surface Preparation: Clean the joint area of dust, grease, and old sealant. Use a mild detergent or isopropyl alcohol for thorough cleaning.
  2. Drying Time: Allow surfaces to dry completely before application; moisture can compromise adhesion.
  3. Application Technique: Apply a continuous bead of sealant along the joint, ensuring full coverage without gaps. Use a caulking gun with a 3 mm nozzle for precise control.
  4. Tooling and Finishing: Smooth the bead with a wet finger or a silicone finishing tool to achieve an even surface and proper adhesion.
  5. Curing Period: The sealant begins to set within minutes but reaches full cure in 24 hours. Avoid heavy traffic or water exposure during this period.

Safety and Handling

The solvent‑free nature of the Mapei White AC Silicone Sealant reduces health risks associated with volatile organic compounds. Nonetheless, it is advisable to work in a well‑ventilated area and wear protective gloves when handling large quantities or during extensive application projects.

Storage Recommendations

Store the cartridge upright in a cool, dry place away from direct sunlight. Keep the sealant sealed when not in use to prevent drying out and maintain product integrity for future applications.

Environmental Benefits

  • Low VOC Emissions: The absence of solvents contributes to a cleaner indoor environment.
  • Sustainable Choice: Durable performance reduces the need for frequent re‑applications, lowering material consumption over time.

Conclusion

The Mapei White AC Silicone Sealant 310 ml stands out as a reliable, high‑quality solution for sealing needs that demand both functional excellence and aesthetic purity. Its mold‑resistant, solvent‑free formulation, combined with superior adhesion and flexibility, makes it the go‑to choice for professionals and DIY enthusiasts alike who seek lasting protection and a pristine white finish in every project.


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Identifiers
Brand Mapei
Mapei is a brand of construction products, including adhesives, sealants, and grouts. The company has a wide range of products for both professional and DIY use. Mapei products are known for their quality and durability.
MPN Mapei 4810091
ID 8516902
Dimensions / Weight
Key Features
Colours
A colour is a visual attribute that describes the hue or shade of an object or surface. It can be a single dominant colour, a combination of colours, or a range such as "Black, White". The value may be expressed in common names (e.g., Black, Silver) or descriptive terms (e.g., One Colour, Assorted).
White
Size
The overall dimension or measurement that identifies the size of a product, such as a frame, garment, electronic component, or container. It can be expressed as a single numeric value (e.g., 47 mm), a range (e.g., 50–60 cm), a volume (e.g., 700 ml), or a descriptive label like "One Size". The attribute helps customers compare and select items that fit their needs.
310ml

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