11 Sep 2018

How to install a bathroom sink

If you’re confident with DIY, you may be able to fit your new bathroom into your self-build without any professional help. In this guide, Sanctuary Bathrooms takes you through the installation of a pedestal sink.

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Before starting anything, turn off the water in your home at the mains. Once you’ve found your mains water valve, turn it clockwise to turn it off. The water will not stop immediately, so run a test by turning on a tap until the water stops coming out. You can turn your water back on by turning the valve anti-clockwise. Now to start installing your new sink.

1. Assemble the taps and fix them to the basin

Assemble your bathroom taps according to the instructions, then attach them to the basin. Use a small spanner to ensure all pipes and parts are firmly fitted.

2. Install the waste

Place the waste into position (the basin hole), and remember to place the rubber and nylon washers into the bottom of the waste to avoid leaks and wear and tear between the waste and the basin. Use an adjustable wrench to make sure the waste is in tight.

3. Place your basin

Place your basin and pedestal up against the wall, using a spirit level to ensure it’s even. Make a mark of the pedestal position with your pencil and through the holes used to fix it to the wall, so you know where to drill your holes. Now, move the basin and pedestal away from the wall.

4. Drill pilot holes

Use an electric drill to make pilot holes in the wall for the rawl plugs and fixing screws you’ll need to secure the basin against the wall. Once your holes are complete, fit the plugs, then insert the screws as they will go using a screwdriver.

5. Connect the waste and taps

Attach the hot and cold water lines to the pipes of the tap and link up the basin waste to the waste pipe. This method can change according to the type of taps and sink you’ve purchased, so check the instructions to be sure of the method.

6. Attach the basin and pedestal

Place the pedestal in position underneath where your basin will be installed, then place the basin back on top of it. Make sure it’s level and aligned with the securing bolts, then attach to the wall using the nuts (by hand). Use a spirit level once again, then tighten the nuts with an adjustable wrench.

7. Seal it up

After the basin and pedestal are secure, apply the silicon sealant around the top of the basin and at the foot of your pedestal. Wipe any excess away with a damp cloth before it dries to ensure a clean, tidy finish.

8. Turn the mains back on

Turn the water back on at the mains, then try your taps. Ensure there are no leaks and the hot and cold water are working as they should. If any leaking occurs, turn the water off again, then tighten the bolts and pipes with an adjustable wrench until the leaking stops.

You Will Need

• Adjustable wrench
• Tape measure
• Adjustable pipe wrench
• Pencil
• Sealant gun and sealant
• Spirit level
• Screwdriver set
• Rawl plugs
• Electric drill
• Small spanner
• Basin
• Pedestal
• Basin waste
• Taps

Further information....

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