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Mylands UK£35.00Visit shop Mylands Light/Grey Primer & Undercoat - Multi-Surface Primer & Undercoat - 1 Litre
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The Mylands Primer & Undercoat in Grey is an essential preparation tool for interior decorators and DIY enthusiasts looking to ensure a professional finish on walls. Its primary benefit is providing high opacity and excellent adhesion to a wide range of existing finishes and surfaces, such as new plaster or patch-repaired areas. While it offers a convenient low-odour and water-thinned formula, it is specifically optimized for use under Mylands water-based finishes, which may limit its versatility if you intend to use it as a standalone final coat.
| Colour | Grey |
|---|---|
| Model Part Number | 500100032/02 |
| Brand | Mylands |
No, this product is specifically formulated for internal applications.
While it is compatible with most finishes, it is highly recommended for use under Mylands water-based finishes to ensure the best chemical bonding and final aesthetic results.
Drying times can vary based on ambient temperature and humidity, but as a water-thinned product, it generally dries relatively quickly for recoating.
For optimal adhesion, especially on friable or previously painted surfaces, a light sanding to create a 'key' is recommended.
You can use a standard synthetic bristle brush or a short-pile roller intended for water-based emulsions.
High opacity does not always guarantee one-coat coverage on very porous or dark surfaces; apply a second thin coat once the first is fully dry.
Ensure the wall was thoroughly cleaned of grease, dust, or efflorescence before starting the application.
Before application, ensure the substrate is clean, dry, and free from dust or loose material. For new plaster, ensure it is fully cured before priming. Apply the primer using a high-quality brush or roller designed for water-based paints. Since it is water-thinned, brushes and rollers can be cleaned thoroughly with warm soapy water immediately after use. Always store the tin in a cool, dry place and ensure the lid is tightly sealed to prevent the product from drying out or skinning over.
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