How To Seal A Kitchen Splashback

How To Seal A Kitchen Splashback

Beginner level

Job Duration : 1 Hour

The most important part of installing a splashback is sealing it !

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

What You Need

  • Selleys Wet Area White 
  • Caulking Gun
  • Thinner
  • Wahi Tape
  • Clean Cloth
  • Spatula
  • Scraper

Step-by-Step Guide


  1. Remove the old silicone using a knife or blade and then scrape away residual silicone.
  2. Ensure surfaces are clean and dry. 
  3. Tape both sides of the gap before you begin sealing to ensure a neat finish
  4. Attach the supplied nozzle on the pierced tube and cut the tip of nozzle at 45 degree angle.
  5. Apply on needed surface and, smoothen with a scraper or spatula. 
  6. . Once applied, peel of the masking taped along the perimeters for a clean finishing & leave the sealant to dry for at least 2 hours before using the area. 

Handy Tips


  • Clean up excess sealant before it dries out with a cloth dampened in thinner.
  • The sealant will cure fully in 24 hours and you can carefully trim any excess then with a blade.