TOA NANOSHIELD SEALER - PREMIUM EXTERIOR ALKALI RESISTING SEALER

TOA NanoShield Primer - Premium exterior sealer is the special sealer, made from styrene acrylic that does not use lead and mercury in the formula with the features of high adhesion, effective alkali resistance and water resistance.

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Technologies:

  

Intended use:

TOA NanoShield Primer - Premium exterior sealer is suitable for new and previously painted exterior masonry surfaces such as concrete, cement, brick, etc...; especially designed for new masonry surface where is attacked by alkali, water.

Technical Data

  • Component: Pure acrylic, pigments, additives & water
  • Color: White
  • Substrate temperature 30°C, relative humidity (RH) 50%: Surface drying time 0.5 hours; Painting interval, minimum 2 hours
  • Theoretical coverage: 9 - 12 m²/liter/coat

Construction methods

  • - Application tools: Brush, Roller, Spray gun
  • - Dilution: dilute with 10-15% water by volume (depend on application), clean equipment with clean water immediately after using

Construction Guide

Step 1 - Surface Preparation:
- New surface:
+ Let the surface dry after 28 days in normal condition (average temperature is 25°C -30°C, relative humidity under 75%), the surface moisture is not exceed 16% (specialized measuring testing equipment). pH value is about 6-9.
+ Remove all dust, grease, wax, laitance, chalking and other contamination from the surface by specialized machine as: grinding, sanding, vacuum cleaner, high pressure water jet and proper cleanness. 
+ Apply 2 coats TOA WALL MASTIC EXTERIOR for smooth surface.
- Old surface:
+ Remove all dust, contamination, loose old paint from the surface by specialized machine as: Grinding, sanding, vacuum cleaner, high pressure water jet and proper cleanness. Treat the area attacked by fungus, algae with proper chemicals.
+ Wash the surface if required, let it fully dry, the substrate moisture must be lower than 16% (specialized measuring testing equipment).
+ Repair the damaged area. Cracks bigger than 0.1mm must be fixed and smoothed by TOA WALL MASTIC EXTERIOR.
+ Apply 1 coat of TOA HYDRO QUICK PRIMER - Premium multipurpose primer for chalky or powdery surface after making surface clean.
Step 2 - Sealer: Apply 1 coat of TOA NanoShield Sealer.
Step 3 - Top coat: Apply 2 coats of TOA NanoShield.
* Note: Stir well before use and once opened, entire content should be used. Apply when temperature is from 10°C to 35°C and relative humidity under 75%.

Recommended paint system

Putty: Apply 2 coats of TOA Wall Mastic Exterior


Primer: Apply 1 coat of TOA NanoShield Sealer


Top coat: Apply 2 coats of TOA NanoShield

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