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How to unblock your sink

There’s a few quick and easy ways to fix a clogged sink. From a simple plunger to drain unblocker, watch this video to understand the best way to unblock your sink…


*How to UNBLOCK your sink*

*For Health and Safety - The Instructions on this video are designed to help you. If you do not feel confident or able to complete the repair safely, please seek further help and advice. If you’re a Bromford customer, feel free to call 0330 1234 034*

“Hi, I’m here today to show you how to unblock a sink within the property. First off there are a few things you need to check on, whether any of the wastes block in the property i.e. the toilet, the sink or a bath and two whether the outside gully is blocked, if this is the case then you may need to give us a call, if you do find out that not all the wastes are blocked.

“Here are a few ways that you can unblock your sink, firstly just try using a plunger on it, what you’ll need to do if make sure there’s some water in the sink, you’ll need a sponge to cover the over flow hole and simply an un and down motion with a plunger and you’ll know once the waste is unblocked as all the water will go down the sink.”

“If you tried plunging a waste and this has failed, you may need to take the U bend apart underneath the sink, before you do this is you have put chemicals down like caustic soda or bleach, you will need to wear gloves before doing this, first step to do is get a bucket and put it under there, because when you take this apart water will come out and what you need to do is undo these two nuts like so in an anti-clockwise fashion, tip the excess water out, you may need to unblock whatever’s in the U bend, once you think you’ve cleared the blockage you’ll need to reattach the U bend, before you do this you’ll need to make sure the rubber seals are still on the U bend, because without these the waste will leak, if you notice that one is damaged or missing you can buy one from your local hardware store, first of all put it back in position and retighten the nut’s in a clockwise fashion they usually only need to be hand tight like so, once you’ve done this you’ll need to test to see if the blockage has been cleared, run some water on the tap, if the water goes down the blockage has been cleared, if not you may need to give us a call, if you have cleared the blockage you may need to check under here for leaks, if you do find there is a leak make sure you give us a call, please be aware that is we attend to your blockage and it is due to your actions that have caused the blockage you may be liable for a recharge.”

*If we attend to your blockage and YOUR ACTIONS have caused it YOU MAY BE LIABLE FOR A RECHARGE*

“Most commonly this is due to food stuffs, fat or other items incorrectly disposed of down you sink.”

“To help prevent build-up of blockages you can buy products such as purely bleach, you can get these from any supermarket or local store, when using these products make sure you wear gloves and always follow the manufacturer’s instructions.”


“One of the biggest causes of blockages is fat being tipped down the sink, the best way to clear fat is to let it cool and emptying it into a plastic bag or normal container and then disposing of it in the bin, you can also get fat traps for your sink, your best speaking to your water supplier for more details on these and always follow the manufacturers guidelines when fitting these.”

“If you’ve followed these steps and still find you have a blockage or you’re unsure don’t hesitate to call us on the number below so someone like myself can come out and fix this for you, thanks for watching.”

*0330 1234 034*

*To watch more ‘How to…’ videos, visit*