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How to build a wooden bath mat

This stylish, contemporary wooden bath mat is a simple project you can put together in an afternoon.

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Step 1: Cut Your Timber

Cut six planks of timber at 800mm and three timber supports at 400mm.

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Step 2: Space the Planks

Line up the six 800mm planks on a flat surface using a pencil to create even gaps between each plank.

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Step 3: Pre-Drill Holes

With your planks neatly spaced and lined up, place the timber supports on top using clamps to secure them if necessary. Merbau is a hardwood so it’s essential that you pre-drill all your screw holes. Pre-drilling makes sure the screws go all the way in and helps stop the timber splitting.

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Step 4: Countersink the Holes

To make sure your screws go all the way into the timber and the heads don’t poke out, it’s good to countersink your drill holes.

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Step 5: Screw the Pieces Together

Screw all the pieces together using the 30mm galvanised screws.

Handy Tip
Make sure that you don’t drive the screws in too hard – it could split the timber.

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Step 6: Sand the Edges

Round off all the sharp external edges so that you’re not in danger of picking up a splinter in your feet when you step out of the shower.

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Step 7: Sand the Surface

Give the surface of the mat a light sand so that it feels smooth to the touch.

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Step 8: Apply Decking Oil

Use decking oil to give the mat the look that matches your bathroom. Remember, this will also be the waterproof barrier to protect the timber so you can afford to be generous.

If you’re not sure about colour matching, you can always use an offcut piece of timber to paint some colour test strips, one with one coat, one with two coats and a third with three coats for a rich darker colour.

Handy Tip
Every coat of decking oil will cause timber fibres to swell, giving the surface a slightly rough-to-the-touch feeling. To make sure your mat has a beautiful, smooth finish, once each coat of decking oil is dry, give the surface a very light hand sand.

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Health & Safety

Please make sure you use all equipment appropriately and safely when following the advice in these D.I.Y. videos. You need to be familiar with how to use equipment safely and follow the instructions that came with the equipment. If you are unsure, you may feel it is safest to consult an expert, such as the manufacturer or an expert Bunnings Team Member.

Grave health hazards are linked to asbestos, which may be in homes built up to 1990. Health hazards may result from exposure to lead-based paints in older materials and copper chromium arsenic (CCA) treated timber. For information on the dangers of asbestos, lead-based paint and CCA treated timber and tips for dealing with these materials contact your local council's Environmental Health Officer or visit our Health & Safety page. You can also use a simple test kit from Bunnings to indicate the presence of lead-based paint Test.
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