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Mapei Silicone
Mapei produces a range of high-quality silicone sealants, such as Mapesil AC and Mapesil LM, primarily used in tiling, construction, and general sealing applications. These are typically 100% silicone formulations, known for their excellent flexibility, strong adhesion to various substrates like glass and ceramic, and durability. Many Mapei silicones, such as Mapesil AC, are also treated with BioBlock® technology to be resistant to mould and mildew, making them ideal for use in wet areas like kitchens, bathrooms, and swimming pools. They are often color-matched to Mapei's grout lines, ensuring a cohesive and professional finish for joint and change-of-plane sealing.
Recently Reviewed
Mapesi Matt silicon sealant - Anthracite
30th October 2026Very good service and a good quality product. I have used the product to seal the joint between the kitchen granite work service and the back stand edging granite and was very pleased with the finished job. I was a little disappointed with the colour , it was more a dark grey colour than off black anthracite. Double check the colour if it is critical to your job..
John P from West Midlands- verified purchaser
Review From Trustpilot
21st August 2026Expensive for a tube of sealant but needs must ! After searching web, this was recommended, time will tell hope it lasts.
Steven H- verified purchaser
Briliant Item
29th July 2026Very good , say as it state on the tin , I will definitely invest in this again
Alex B from Scotland- verified purchaser

























