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
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
Select an Option Below
Choose colour (335 available online)We can match most colours from major paint manufacturers such as Dulux™, Crown™, Farrow & Ball™, Fired Earth™ etc. Where the origin of a colour is unknown we can usually scan the colour from a sample if you post it to us.
Please call us on 01285 862132 or email us at info@smlpaints.co.uk (with contact details) for more details.
We can match most colours from major paint manufacturers such as Dulux™, Crown™, Farrow & Ball™, Fired Earth™ etc. Where the origin of a colour is unknown we can usually scan the colour from a sample if you post it to us.
Please call us on 01285 862132 or email us at info@smlpaints.co.uk (with contact details) for more details.
Disclaimer: The colours shown in these charts are not actual stock products. They are ‘made to the consumer’s own specification’ as the paint colour is mixed to order. We do not offer refunds for paints mixed to a colour once an order has been placed. This is in compliance with DSR regulation 13 guidance reference 3.38. Please see our notes regarding website colour accuracy on our customer information page.
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 |
Use the form below or send an email to info@smlpaints.co.uk
SML Paints and Coatings is a trading name of Shepherd Marine Ltd. Registered in England and Wales.
Company Number: 5278878. VAT Number: GB853762502.
© 2025 SML Paints and Coatings. All rights reserved.
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