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Description
A non-yellowing clear, thermoplastic acrylic lacquer-based resin which displays excellent UV and moisture resistance. Has very fast solvent release, i.e. drying properties. The sealer greatly enhances the colour and protects the surface from the ingress of dirt and grease.
Purpose
Provides a tough, durable, flexible, clear, penetrating coating on horizontal and vertical surfaces of concrete, cement plaster and masonry. Combines aesthetic appeal with protective performance. The main properties are UV resistance, non-yellowing, resists becoming brittle, waterfast, alkali resistant, water vapour permeable and carbon dioxide tight. It has good binding properties on friable surfaces and is re-coatable.
Applications
Recommended for the sealing of Cemcrete’s Colour Hardener against staining, mottling and general discolouration. Useful for protecting architectural and exposed aggregate concrete, masonry and brick walls.
Types
Available in one type only.
Colours
Clear only.
Specifying
“Apply in 2 coats Cemcrete Colour Hardener Sealer using a paint roller or paintbrush. Surface to be dry and absolutely clean. Minimum of 1 hour between coats. All in accordance with the manufacturer’s instructions.”
Note
Not for use in water-containing structures.
Safety Warning
This product is lacquer-based and therefore highly flammable. Store away from heat and direct sunlight. Safety clothing should be used.
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Site Work
Storage
Can be stored above 5oC in sealed steel drums for up to 6 months.
Suitable Surfaces
Architectural concrete, split concrete bricks, exposed aggregate concrete, brushed terrazzo, brick walling. All surfaces should be hard, dry and free from anything which could prevent penetration of the sealer. Curing membranes and shutter release agent must be completely removed. This is essential.
Surface Preparation
Surfaces should be clean, hard and dry at the time of application.
Weather
Do not apply when the temperature is below 10oC. Nor on frozen surfaces.
Mixing
Use straight from the can after stirring thoroughly. Clean all tools using white spirits.
Masking
For best results all windows, doors and adjacent surfaces should be masked using masking tape and brown paper. All masking material must be removed at the end of a day’s work.
Application
Apply liberally straight from the can using a large paintbrush, soft broom or sheepskin roller. Apply one coat of Colour Hardener Sealer, followed by one coat of Colour Hardener Standard or Heavy Duty sealer. Polish is an optional extra.
Coverage
Approximately 4 to 8m2 per litre per coat.
Packaging
Supplied in 5 litre and 25 litre non-returnable steel drums.
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Cemcrete Products 
