Description
Mapesil LM – Neutral Silicone Sealant for Natural Stone
Mapesil LM is a premium neutral-cure, mould-resistant silicone sealant designed for natural stone and other delicate surfaces. Its solvent-free formula with BioBlock® technology ensures non-staining, long-lasting joints for both interior and exterior applications, even in harsh conditions. Ideal for movement joints up to 25 %, it delivers high flexibility and strong adhesion without damaging sensitive materials.
Advantages:
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Non-staining – perfect for marble, granite, sandstone, and quartz
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Mould-resistant (BioBlock® technology)
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Long-term stability in all weather conditions
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Solvent-free, odourless application
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Wide range of certifications (EN 15651 parts 1–4)
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Suitable for exterior facades and delicate substrates
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High bond strength to a variety of surfaces
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Available in multiple colours for a perfect match
Where to use:
Specially formulated for sealing natural stone and acid-sensitive materials, including marble, granite, sandstone, quartz, brick, cellular concrete, varnished wood, and enamelled wood.
Technical Data:
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Movement capability: 25 %
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Modulus at 100 % elongation: 0.35 N/mm²
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Shore A hardness: 21
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Workability time: ~15 minutes
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Coverage: ~3.1 m (10 × 10 mm joint) per 310 ml cartridge
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Application: extrusion gun
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Colours: transparent, white (100), grey (110, 111, 112, 113), anthracite (114), black (120), jasmine (130), beige (132)
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EMICODE: EC1 Plus – very low emission
Packaging:
Supplied in 310 ml cartridges, available individually or in display boxes of 12.
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