Mapesil AC – Acetoxy Silicone Sealant for Ceramics, Glass & Sanitary Applications

Mapesil AC is a high-performance, acetic-crosslinking silicone sealant specifically formulated for glass, ceramic, and anodised aluminium. With exceptional flexibility and strong adhesion, it’s ideal for sealing expansion joints, sanitary ware, bathroom tiles, kitchens, and swimming pools. When used with Primer FD, Mapesil AC can also bond effectively to surfaces such as concrete, wood, metal, painted finishes, plastic, and rubber.

Perfect for both domestic and commercial projects, Mapesil AC creates a mould-resistant, waterproof, and elastic seal that stands up to movement and thermal changes.

Key Features of Mapesil AC:

✅ Highly Elastic Sealant – Supports movement of ±25% for durable expansion joints
✅ Excellent Adhesion – Bonds to ceramics, glass, metal, and more (with Primer FD)
✅ Mould & Mildew Resistant – Ideal for high-moisture areas like showers and wet rooms
✅ Waterproof Silicone Formula – Ensures long-lasting protection from moisture ingress
✅ Wide Colour Range – Available in colours matching Mapei grout ranges
✅ UV & Weather Resistant – Suitable for both indoor and outdoor applications
✅ Easy to Apply & Smooth – For professional-grade finishes with minimal effort

Common Applications:

• 🚿 Sealing joints between tiles and sanitary ware in bathrooms and kitchens

• 🏊 Waterproof expansion joints in swimming pools and wet areas

• 🔧 Sealing window frames, portholes, air ducts, and glazing systems

• 🛠 Adhesive and sealant for general-purpose construction use

• 🎨 Fixing glass mosaics and artistic stained glass installations

• 🔥 Sealing joints in boilers, water tanks, and service piping

• 🚢 Marine and industrial sealing applications (e.g. shipbuilding, automotive)

Suitable Surfaces:

• Ceramic tiles

• Glass panels

• Aluminium frames

• Painted wood and metal (with Primer FD)

• Concrete and cement screeds

• Plastic and rubber (with appropriate preparation)

Technical Highlights:

• Movement Accommodation: ±25%

• Curing System: Acetic (acetoxy) cross-linking

• Available in Matching Grout Colours

• High resistance to UV rays, aging, and thermal cycles

Notes:

• For best adhesion on non-porous or sensitive materials, use Mapei Primer FD prior to application.

• Colours are for guidance only; product may vary slightly due to screen calibration.