How to fill the joint between a wall and skirting board

Task difficulty: Quite easy

The skirting boards have split away from the wall forming a noticeable gap and cracks have appeared where the boards meet, causing the paint to flake off.

You will need

Add all to your shopping list

Step by step process

  1. Step 1

    Step 1

    Sand the old painted surface down with fine grade sandpaper.

  2. Step 2

    Step 2

    Rake out any old or flaking paint or filler from the gap between the board and the wall, then place the Flexible Gap Polyfilla cartridge into the cartridge gun and run a line of Flexible Gap Polyfilla along the gap.

  3. Step 3

    Step 3

    Now, use a wet, rounded end tool (an old spoon handle or a lolly stick is perfect) to smooth the surface.

  4. Step 4

    Step 4

    Remove the excess with a damp cloth and leave to dry.

  5. Step 5

    Step 5

    Next, using a flexible filling knife, smooth Fine Surface Polyfilla over the surface of the skirting board, pressing it in well. Leave to dry, rub down lightly with fine sandpaper, then re-paint.

  • Print this guide
  • Share this article
  • Send to a friend

Share your videos

Think you can show us how it's done? Send us your 'How to' videos and we'll showcase some of the best on this page.

Upload a video

Shopping List

There are no items in your shopping list.

View full shopping list

Add this to your social networks: