Description

 

Roofrite Key Coat Penetrative Sealer is a premium nano-particle acrylic roof sealer specifically formulated for porous and degraded concrete roof tiles. Designed for New Zealand roof restoration systems, Roofrite Key Coat penetrates deeply into weathered roof surfaces to improve adhesion, stabilise porosity and prepare the roof for long-lasting coating performance.

Formulated with advanced nano particle resin technology, Roofrite Key Coat helps create an even surface profile across ageing roof tiles, allowing improved bonding and consistent performance of following Roofrite coating systems including Roofrite Base Coat and Roofrite Finish Coat systems.

 

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Why Choose Roofrite Key Coat?

• Premium penetrative acrylic roof sealer
• Nano particle resin technology
• Excellent penetration into porous concrete roof tiles
• Improves adhesion for following roof coatings
• Helps stabilise degraded roof surfaces
• Fast drying formula
• Creates even surface porosity
• Designed for New Zealand roofing conditions
• Water based low odour system
• Ideal for roof restoration preparation systems

 

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Designed for Porous Concrete Roof Tiles

Over time, concrete roof tiles can become porous, chalky and degraded from:

• UV exposure
• Heavy rain
• Moss and lichen growth
• Ageing coatings
• Harsh New Zealand weather conditions

Roofrite Key Coat is designed to penetrate deep into the roofing substrate to help consolidate weakened surfaces and improve the adhesion of roof coating systems.

 

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Excellent Adhesion & Surface Penetration

Roofrite Key Coat’s nano particle technology allows the sealer to penetrate deeply into porous roofing surfaces while improving the bonding strength between the substrate and subsequent roof coatings.

Benefits include:

• Improved coating adhesion
• More consistent surface absorption
• Better finish coat performance
• Enhanced roof coating durability
• Improved preparation for restoration systems

 

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Suitable Roof Surfaces

Roofrite Key Coat Penetrative Sealer is suitable for:

• Porous concrete roof tiles
• Degraded roof tile surfaces
• Aged roofing substrates
• Previously coated concrete roofs in sound condition

For best results, use as part of the complete Roofrite roof restoration system.

 

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Fast Drying Roof Sealer

Roofrite Key Coat features a fast drying water-based formula designed for efficient roof restoration projects.

Drying Information

• Dry time: approximately 30 minutes at 18°C
• Recoat time: approximately 60 minutes at 18°C
• Recommended coats: 1
• Theoretical coverage: approximately 7m² per litre

 

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Application Information

Roofrite Key Coat has been formulated primarily for professional spray application but may also be applied using roller methods where required.

Surface Preparation

1. Thoroughly clean roof surface
2. Remove dirt, moss and lichen
3. Water blast surface where required
4. Ensure roof is dry and dust free before application

Proper preparation is essential for maximum adhesion and coating performance.

 

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Application Conditions

• Do not apply when temperatures are below 10°C
• Do not apply if temperatures are expected to fall below 10°C
• Ensure recommended drying times are followed
• Thinning is not recommended

 

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Compatible Roofrite Systems

Roofrite Key Coat is designed for use with:

• Roofrite Hi Build Primer Base Coat
• Roofrite Matt Roof Paint
• Roofrite Semi-Gloss Roof Paint
• Roofrite Gloss Roof Paint
• Roofrite roof restoration systems

This helps create a complete professional roof restoration system for both DIY and commercial roofing projects.

 

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Ideal For

• Concrete roof tile restoration
• Porous roof tile sealing
• Roof restoration preparation
• Professional roof painting
• DIY roof restoration projects
• Weathered concrete tile roofs
• Roof coating preparation systems

 

Click here to download the ROOFRITE User Guide

 

If you are needing more detailed instructions then they can be found on the link below.

Click here to download the full warranty and detailed instructions of the ROOFRITE System Guide