Mapei Sanitary Silicone Sealant, 310ml, Suitable for Mould-Resistant Joints in Bathrooms, Kitchens and Wet Areas - Brown

It adheres well to a variety of substrates including glass, tile, natural stones, ceramic, aluminium, wood, metal and polyethylene, making it suitable for many interior and exterior applications without always needing a primer (especially in joints up to 8 mm wide).

Mapesil AC N.142 cures through acetic acid release (vinyl acetate-like smell), forming a flexible seal. It remains flexible after exposure to water. It provides good joint stability for joints up to 8 mm wide. Initial handling can occur after a few hours, with complete cure typically taking several days depending on joint size and environmental conditions.

Yes. Mapesil AC N.142 is paintable with most air-drying or baked enamels, allowing you to match or blend the sealant with surrounding finishes.

Key specs: one-component silicone sealant, acetic-cure, water-based, solvent-free, low VOC content, mold resistant, non-staining, excellent adhesion to multiple substrates, weatherproof. It is non-flammable and designed for interior and exterior use.

In many common substrates, Mapesil AC N.142 provides excellent adhesion and can be used without primer for joints up to 8 mm. However, for difficult substrates or deeper joints, performing a spot test or using a primer on the substrate may be advisable.

Surface should be clean and dry. Cut the nozzle to the desired bead size, load into a caulking gun, and apply evenly into the joint. Tool the sealant with a wet finger or appropriate tool to achieve a smooth finish, remove any uncured material promptly, and allow adequate cure time in the environment.

Ensure good ventilation during application due to the acetic cure. Wear gloves to avoid skin contact, and avoid inhalation of fumes in poorly ventilated spaces. The product is low VOC and non-flammable. Clean uncured material with water; once cured, cleaning may require mechanical removal or specific solvents as per manufacturer guidance.

It is designed to be weatherproof and mold resistant, maintaining elasticity over time. It performs well in bathrooms, kitchens, swimming pools, and exterior joints, providing long-lasting seals even in moist or weather-exposed environments.

If you’re exploring color or finish variants on Fepy, you might compare similar Mapesil AC products such as White and Grey variants to match your project. For example: Mapesil AC N.142 White (https://fepy.com/product/mapesil-ac-n-142-white/) and Mapesil AC N.142 Grey (https://fepy.com/product/mapesil-ac-n-142-grey/). These options provide color-matched choices while retaining the same performance characteristics.

Yes, depending on the project color requirements, you can explore additional Mapesil AC color variants on Fepy. Checking options like White or Grey variants can help you match grout lines or decor, keeping the same benefits of weatherproofing and mold resistance.

Store unopened tubes in a cool, dry place in their original packaging. Typical shelf life for silicone sealants is around 12 months, but always check the manufacturer’s label for specific expiration guidance and storage conditions.

Yes. It is designed for interior and exterior use, providing weatherproofing and mold resistance, making it suitable for bathrooms, kitchens, pools, and exterior siding.