Do I Need to Use Primer?

What’s so great about primer? Sounds like another job TBH.

Whether you need a primer comes down to two things, the type of paint you’re using and the thing you’re painting. Read on for the lowdown. 

What is primer?

In a nutshell, primer helps your top coat stick and gives you the finish you’re expecting when you have difficult surfaces. 

Primer for interior walls is usually a specific type of water-based paint. For new plaster it generally contains good old PVA glue to help seal the wall. An alternative is just to water down the paint you’re using to add a light primer coat (mist coat). Especially crucial on new plaster - it drinks the stuff.

Primer for bare wood trim and skirting boards does much the same, filling the wood pores and covering the knots to prepare the wood for the top coat. 

When do I need primer?

Most DIYers won’t. If you have a normal wall or woodwork that’s been painted before just make sure it’s clean, flake free and your woodwork is sanded… then you’re good to go. COAT paint is self-priming so adheres really well without the need for a primer, the benefit of buying a decent paint.

If you’ve got a newly plastered wall, bare wood/metal, or REALLY bad staining then you may need a primer. At the very least you’ll need a mist coat as we mention above for new plaster. For new bare metal or pretty serious stains we would recommend you get a specialist water based primer (just Google it). So really, for the most part you’ll be fine without one.

 Paint on Wood

If in doubt, give us a shout - we’re here to help and make sure you get a great COAT finish.

 

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