Mapei Mapecrete Hard LI Lithium Silicate Concrete Densifier and Sealer, 18.9 L (5 gal)
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- Densifies, dustproofs and seals in one step
- VOC-free, odourless, water-based formula
- Improves old, soft, powdery concrete
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Description
Description
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Use it for: Water-based, VOC-free lithium silicate you spray on to densify, seal and dustproof indoor, horizontal, hard-trowelled concrete in one step. It reacts with the free lime in the concrete to make a denser, harder surface, and it improves old, worn concrete that is soft, powdery or carbonated. Warehouses, distribution centres, manufacturing plants, transportation terminals, medical and institutional buildings, clean rooms, mechanical rooms, and commercial and retail stores. Goes over new concrete cured at least 7 days and existing, sound Portland-cement concrete. Ready to use: 250 to 800 sq ft per US gal (3.79 L). Foot traffic and rain after 4 to 6 hours, wheel traffic after 24 hours (at 21°C).
Not for: Textured concrete, or concrete with curing compound, sealer, paint, coatings, oil or wax still on it: remove them first. Don't dilute it, and don't let it puddle and dry on the surface (it leaves a white residue). Protect metal, glass and wood from overspray. Apply between 4°C and 32°C, and protect it from freezing.
Use instead: Stain resistance and a high-gloss finish on top: Mapecrete Protector FF.
Concrete floor that dusts and wears? Mapecrete Hard LI is a lithium silicate densifier that penetrates the slab and reacts with the free lime, producing a dense, hard matrix inside the concrete and a more durable surface on top. It densifies, dustproofs and seals in one operation.
Water-based, VOC-free and odourless. Spray it on with a low-pressure sprayer, spread it with a microfibre pad or soft-bristle broom, and keep the surface wet for 5 to 10 minutes.
18.9 L (5 gal) pail · Coverage: 250 to 800 sq ft per US gal · Indoor concrete floors
Pre-dampen the concrete when it is above 26°C. Flood and scrub any white patches with water right away.
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