Sealing your splashback is the final step to installing a splashback and perhaps the most important!

If water falls behind, it can create mould, rot and can trap dirt. It's super easy to prevent this is using a Selleys silicone sealant. Check out the tips below.

Beginner Intermediate Advanced
3 Days

What You Need


Easy as..

  1. Remove the old silicone using a sharp knife and then scrape away residual silicone.
  2. Clean and dry the surface with Mineral Turpentine.
  3. Tape both sides of the gap before you begin sealing to ensure a neat finish
  4. Cut the tip of the Selleys Wet Area Silicone cartridge and then cut the nozzle at a 45 degree angle.
  5. Place the cartridge in the caulking gun and fit the nozzle.
  6. With a steady hand, hold the gun at a 45 degree angle and carefully gun the sealant out.
  7. Smooth the sealant with a spatula dipped in detergent
  8. Remove the tape before the seal skins.
  9. Allow to dry for 72 hours.

Handy Tips

  • Clean up excess sealant before it skins with a cloth dampened in mineral turpentine. 
  • The sealant will cure fully in 72 hours and you can carefully trim any excess then with a sharp blade.


Selleys Glass Silicone

Selleys Glass Silicone is an acetic acid curing 100% silicone, which been specially formulated for glazing and aquarium construction.

Selleys FlameFlex

Selleys FlameFlex High Performance Sealant can be used for construction joints & gaps where a fire rated seal is specified*.

Selleys Paint Over Sealant

Selleys Paint Over Sealant is paintable in just 1 hour* with gloss, semi gloss and low sheen paints, reducing the time needed to finish your project.

Selleys Wet Area Silicone

Selleys Wet Area Silicone Sealant delivers a superior waterproof and mould resistant seal that is ideal for use in bathrooms, kitchens and laundries.

How to Guides

How To Create A Chopping Board

Keep on trend and learn how to create a stunning chopping board for serving which will be the envy of your friends at your next dinner party.

How To Seal A Kitchen Splashback

Sealing your splashback is the final step to installing a splashback and perhaps the most important! It's super easy to do with Selleys silicone sealant.

How To Seal a Sink

Getting a proper seal around your sink prevents water penetration. Here’s the best way to ensure a complete seal around your sink area to make it easier to clean and less prone to water damage and discolouration. And all without the need for a caulking

How To Clean Your Kitchen Oven

It’s time to face it – brave opening the oven door and take a good look inside, because getting rid of grime is too easy with Selleys Oven Cleaning product range.