How to paint an exterior wall

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How to paint an exterior wall

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Preparing the exterior wall

The first step is to take a good, thorough look at the wall. If there are any gaps between the boards, use the caulking gun to fill them up with filler and make a weatherproof seal. Use some rubber gloves while doing this so that it doesn’t get all over your hands.

You should also fix up any holes in the walls using putty and a scraper to smooth it over.

Once everything’s patched up, put on your safety equipment and give everything a light sand to get rid of all the rough bits and imperfections. If there’s any paint that’s peeling off, you might need to use a metal brush or scourer to get rid of it.

Finish the preparation by giving the wall a brush to get all the dust off.

Painting the exterior wall

There’s many different types of exterior paints available at your local Bunnings Warehouse. If you’re not sure about which is best for your place, a Team Member in-store can help you choose.

Make sure you stir the paint in the tin before using it. Then, tip it out into a paint pot and give it another stir. Using the pot is means you don’t need to carry a large tin around with you and risk spilling it unnecessarily.

Put the drop sheet down and use the masking tape where necessary to prevent accidentally painting something you shouldn’t.

Start painting at the top, in the corner. Starting here instead of the middle won’t leave a distinctive mark that’s going to dry before you get around to the other side.

You can start the second coat approximately two hours after finishing the first coat.

With a little bit of maintenance and dusting, you can expect to get 10-15 years out of your paint without any worries. 

Other helpful painting tips

  • If you’re using acrylic paint, it’s water-based, so get your brush wet first and then flick it off so that the paint won’t stick to the top of the brush.
  • If it’s above 30 degrees or below 10 degrees, don’t start painting as it’s too hot/cold for it to dry.
  • On a hot day, you’ll notice the brush fills up with paint. To prevent this, clean it out with water every half an hour or so to keep it fresh.
  • If you’re going to paint a downpipe a different colour to the wall, it’s best to paint it first. Give it two coats and then you can wrap it in newspaper so that you can paint the wall behind it without worrying.
  • Consider using undercoat to increase the longevity of your wall and paint.

Get painting

Check out the full painting range available at your local Bunnings Warehouse.

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