Product Usage
WALLSILA 900 is suitable for new or previously painted masonry surfaces such as brickwork, plaster, cement, rendering and asbestos.
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Wallsila 900
WALLSILA 900 is a solvent-based white contact sealer suitable for old walls or surfaces that has high moisture content and has chalking issues. It provides superb adhesive strength to the substrate and has excellent alkaline and efflorescence resistance. It can be used for both interior and exterior walls.
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Application Details
Application methods: Brush, roller or air spray
Mixing Ratio (by volume): The paint is ready for use after thorough stirring
Thinner / Cleaner: TOA Thinner R-21
Dry to Touch: 20 – 30 min., depending on ambient temperature
Dry to Overcoat: 2 – 3 hours
Spreading Rate: 8 – 10 m2 / Litre
Wet Film Thickness: 75μ
Dry Film Thickness: 10 – 15μ
Surface Preparation
New and Bare Surfaces
New plastered surfaces must be allowed to dry thoroughly at least 28 days or less than 12% moisture content as measured with a moisture meter. All surfaces to be painted must be sound, dry, clean and free from oil, grease, dirt, mildew, releasing agent, curing compounds and other foreign bodies.
Previously Painted Surfaces
All loose or defective paint or powdery residues shall be removed by brushing and scrapping using a stiff fiber brush or high pressure water jet. Any area affected by mould, algae, lichen, moss and fungus shall be treated with TOA Micro Kill. Make good any surface imperfection with suitable weather resistant putty or sealant. Ensure surface is dry, clean, and free from dirt, grease or wax prior to application of paint. Then prime with Wallsila 900 sealers.
