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The neutral pure silicone sealant ideal for natural stone. Solvent-free and mould-proof.

Neutral silicone mould-resistant sealant with BioBlock® technology for stone for movements up to 25%.


  • Does not stain, ideal for sealing stone
  • Mould-resistant (BioBlock® technology)
  • Seals remain stable over the years
  • Solvent-free, odourless
  • Wide range of certification
  • Suitable for external facades
  • High bond strength
  • Wide range of colours

Movement in service: 25%.
Modulus of elasticity at 100% elongation: 0.35 N/mm².
Shore A hardness: 21.
Workability time: 15 minutes.
Colours: transparent, 100 white, 110 grey, 111 grey,112 grey, 113 cement grey, 114 grey, 120 black, 130 jasmine and 132 beige (see “MAPEI Coloured Grouts”).
EMICODE: EC1 Plus - very low emission.
Application: extrusion gun.
Consumption: 3.1 linear metres per 310 ml cartridge (10x10 mm section).
Packaging: 310 ml cartridges.

Mapei Mapesil LM Silicone

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