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Interior Primers & Undercoats

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When preparing to paint interior walls, it's crucial that you use the right products, such as interior primer and undercoats. They create a smooth base for your paint and help improve its longevity.

For interior wood, you should use a specific wood primer and undercoat, while metal surfaces require a metal primer. Using the right interior primer for your surfaces ensures better paint adhesion and a longer-lasting finish. For doors and walls alike, selecting the best interior primer is key to a successful paint job.

Whether you're painting walls or metal surfaces, find the best undercoat paint for the job online or in-store at Homebase today.


Frequently Asked Questions

Can you use interior undercoat and primer outside?

Some interior primers and undercoats can be used for both interior and exterior surfaces. You should always read the label and check suitability before you begin to prime a surface.

What is the difference between interior and exterior primer?

The main difference between interior and exterior primers is that interior primers tend to dry to a harder finish and create a smooth foundation for your walls, whereas exterior primers have a softer finish and tend to contain fungicide and UV blockers.

Do you need primer or undercoat for interior walls?

Priming interior walls is not always required but can be beneficial as it helps create a smooth surface and covers any imperfections on the wall. It's also useful for new plasterboard or when covering stains and dark colours.

What is the best primer for interior walls?

If you're dealing with stains or uneven surfaces, a stain-blocking primer may be best. Always consult with a paint professional. You can visit our website and find a Homebase near you for bespoke advice from one of our staff on what primer is best to use.