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How to stop water coming in through my door

Water coming in through door

Why is my uPVC Door/Window Frame Leaking?

A common question we get asked is, why is my uPVC door or window frame leaking?


People might not realise that uPVC is designed to allow water to run off the window and door into the frame and then to drain out from the frame. Every uPVC window door will have drainage holes in the frame if the drainage holes become blocked, your door and window will appear to leak.


You might think your uPVC is leaking if you see this:

  • Water coming from at the bottom of the door.
  • Water on the window sill from the frame.

The good news is that there is nothing wrong with your uPVC door or window frame and this is how they are designed to work. You simply need to unblock the drainage holes – and that’s really easy.


Watch our Everest Expert show you where the drainage holes are in the frame and how to clean them.

Tools you will needDuration
Screwdriver, mug and some water5 minutes

Simple 5 step process

Follow the steps below to diagnose and stop water from coming in through your door frame.

Step 1

Step 1

First, you need to locate and diagnose the issue by testing which holes are blocked. The drainage holes are located on the inside your door frame in the left and right corners.

Step 2

Secondly, you will need some water in your mug. You will need to pour this water into each of the drainage holes and see if any water appears to flow out of your internal frame onto the outside frame.

Step 2

Step 3

If there seems to be no water appearing to flow on the outside of your door frame, it means the drainage hole is blocked.

Step 4

To fix this issue all you need is a screwdriver or any long thin object that can fit inside the drainage hole to manoeuvre side to side and unblock the hole.

Step 5

You will need to repeat this procedure until you can see a clear stream of water flowing from inside your frame to the outside as shown in step 2.

Thinking About a New Front Door?

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