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Undercoat

Undercoat
Primers & Undercoats

Undercoat

Hillstor Undercoat provides a high-build, opaque base that fills minor surface imperfections and ensures a uniform, even color when topcoated. Compatible with oil-based and water-based topcoats for versatile use.

Product Specifications

Finish Type Matt
Coverage 10–12 m² per litre
Category Primers & Undercoats
Price Contact for Pricing

Key Features

  • High Build
  • Fills Imperfections
  • Compatible with All Topcoats
  • Good Hiding Power
  • Sandable
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Product Guide

Undercoat for Malawi Projects

Practical details to help you decide where this product fits, how to prepare the surface, and what to pair it with.

Ideal use cases

  • Fresh plaster and absorbent masonry
  • Repaired surfaces before topcoating
  • Metal and joinery prep systems

Interior or exterior suitability

Designed as a preparation product to support stronger topcoat adhesion and more even coverage.

Coverage and finish

Coverage guide: 10–12 m² per litre

Finish type: Matt

Surface prep notes

Brush away dust, remove laitance or rust, and make sure the substrate is clean, dry, and sound. Use the correct primer for the material and allow proper drying before the finish coat.

Application method

Apply by brush, roller, or spray in an even coat to create a stable foundation for the next stage of the paint system.

Drying and recoating

Allow adequate drying and recoating time between coats, and paint only when the surface is clean, dry, and within suitable temperature conditions.

Surface and project guidance

Works best on prepared plaster, masonry, repaired substrates, or metal surfaces where sealing, levelling, or adhesion support is required.

Brush away dust, remove laitance or rust, and make sure the substrate is clean, dry, and sound. Use the correct primer for the material and allow proper drying before the finish coat.

If you need a matching system, contact our paint team in Blantyre or browse more Primers & Undercoats.

Need a quote or product recommendation?

We help homeowners, contractors, schools, offices, and developers choose the right paint system for the substrate and finish required.

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Related paint guides

Product FAQs

Undercoat Questions

Where is Undercoat best used?

Designed as a preparation product to support stronger topcoat adhesion and more even coverage. Works best on prepared plaster, masonry, repaired substrates, or metal surfaces where sealing, levelling, or adhesion support is required.

What surface preparation is recommended before using Undercoat?

Brush away dust, remove laitance or rust, and make sure the substrate is clean, dry, and sound. Use the correct primer for the material and allow proper drying before the finish coat.

How should Undercoat be applied?

Apply by brush, roller, or spray in an even coat to create a stable foundation for the next stage of the paint system. Allow adequate drying and recoating time between coats, and paint only when the surface is clean, dry, and within suitable temperature conditions.

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