Nutech Master Sealer 15L

Nutech Master Sealer is a water-based, adhesion promoting acrylic primer and sealer designed for very porous roof tiles and masonry surfaces. Surfaces primed with Master Sealer and top coated with a Nutech roof coating perform exceptionally well in all weather conditions.

One of the key strengths of Master Sealer lies in its ability to tackle highly porous surfaces. Whether working with exposed roof tiles or masonry surfaces, this primer is designed to penetrate and seal effectively, optimising adhesion.

Features:

• Excellent build
• Excellent surface adhesion
• Improves hardness and flexibility
• Weatherproofing performance

Application Conditions:

• CONSIDERATION must be given to climatic conditions such as rain, wind and relative humidity
• ONLY apply between 10°C and 30°C ambient air temperatures
• DO NOT overcoat until Master Sealer coat is completely dry
• AVOID painting in extreme temperatures
• DO NOT apply to extremely hot surfaces
• DO NOT apply in very cold temperatures
• Failure to observe these provisions may affect coating adhesion

Warnings:

• Master Sealer is NOT recommended for terracotta roof tiles or oxidised, powdery tile surfaces. Refer to Terracotta Primer, NuPrime and SupaPrime respectively for these surfaces
• Do not apply Master Sealer on uncured mortar pointing
• Do not apply Master Sealer on tiles with a powdery loose oxidised surface

Appearance:

Opaque white viscous liquid

Coverage:

4 m²/L per coat

Note: Coverage will depend on the porosity and roughness of the surface. To maximise performance do not over spread.

Recommended Substrates:

• Stable roof tile surfaces
• Concrete surfaces
• Masonry surfaces

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