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SML Shield Undercoat is a versatile, single-pack primer offering excellent adhesion to steel, aluminium, and wood surfaces. It can also serve as a matt topcoat, providing good corrosion protection and a durable finish. Available in a wide range of colours, it allows for aesthetic flexibility. Compared to similar products, Shield Undercoat stands out for its dual functionality as both primer and topcoat, simplifying application processes and reducing the need for multiple products.

Supplied by SML Paints and available in over 300 colours in 2.5L tins

  • Single pack alkyd primer
  • Easy to use
  • Cost effective solution
  • Very good adhesion
  • Good corrosion protection
  • Excellent coverage
  • 2.5L tin sizes
  • Suitable for steel, aluminium, GRP, concrete and wood
  • Can also be used as a matt topcoat
  • Above water
  • Interior and exterior
SML

Shield Undercoat

SML Shield Undercoat is a versatile, single-pack primer offering excellent adhesion to steel, aluminium, and wood surfaces. It can also serve as a matt topcoat, providing good corrosion protection and a durable finish. Available in a wide range of colours, it allows for aesthetic flexibility. Compared to similar products, Shield Undercoat stands out for its dual functionality as both primer and topcoat, simplifying application processes and reducing the need for multiple products.

Supplied by SML Paints and available in over 300 colours in 2.5L tins

  • Single pack alkyd primer
  • Easy to use
  • Cost effective solution
  • Very good adhesion
  • Good corrosion protection
  • Excellent coverage
  • 2.5L tin sizes
  • Suitable for steel, aluminium, GRP, concrete and wood
  • Can also be used as a matt topcoat
  • Above water
  • Interior and exterior
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From £26.55 excl. VAT £31.86 incl. VAT

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Feature Details
Brand SML
Paint Protection Anti-Corrosive
Paint Type Primer
Paint Components Single Pack
Ease of Use 1. Excellent
Substrate Suitability Wood, Stainless Steel, Mild Steel, GRP, Galvanised Steel, Concrete, Aluminium
Surface Adhesion 2. Very Good
Above / Below Waterline Above Water
Water Resistance 3. Good
Abrasion Resistance 3. Good
Chemical Resistance 3. Good
Solvent Resistance 3. Good
Interior / Exterior Use Exterior, Interior
UV Resistance 3. Good
Gloss Level 5. Matt
Gloss Retention 3. Good
Colour Retention 3. Good
Flexibility 3. Good
Application Method Airless Spray, Brush, Conventional Airspray, Roller
Recommended Coats (Brush / Roller) 1-2
Chemical Composition Alkyd
Brand Range Shield
Brush or Roller Coverage Rate (m2 / L) 12
Cured for Service 10C (days) 4
Cured for Service 23C (days) 3
Dry to Overcoat 10C (hours) 24
Dry to Overcoat 23C (hours) 16
Full Curing Time 10C (days) 7
Full Curing Time 23C (days) 4
Max Dry Film Thickness per Coat (microns) 50
Max Overcoating Time without Sanding (days) 90
Min Dry Film Thickness per Coat (microns) 30
Product Type Paint
Self-Priming No
Undercoat 2.5 L - Safety Sheet empty Download
Undercoat 2.5 L - Data Sheet empty Download