How to silicone a gap

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How to silicone a gap

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Project Overview

Silicone sealant is a great way to fill in gaps between tiles, shower screens, baths and sinks. It also stops water seeping in where you don’t want it. We’ll show you how to put silicone into a gap using a caulking gun. You will also see how to give your silicone a smooth, professional finish and clean up any excess.

Continue to step-by-step instructions

Step by Step Instructions

1 Apply silicone sealant to the gap
2 Wipe off the excess silicone
  • Step 1. Apply silicone sealant to the gap

    To give the silicone the best bonding surface possible, clean and dry all your surfaces before you start. Then use the caulking gun to apply silicone to the gap, working smoothly and evenly. Don’t worry if it looks a bit rough, you can fix that in the next step
  • Step 2. Wipe off the excess silicone

    Use a damp rag over the tip of your finger to wipe along the newly sealed gap. This will wipe off any excess and push sealant further into the gap to help give you a neat finish. For tight corners, use a chisel to neaten the edge. Clean off any excess with the rag.

Tools and Materials

Tools

  • Caulking gun
  • Chisel
  • Sharp knife

Materials

  • Damp rag
  • Tube of silicone
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