how to fix common leaks in your kitchen and bathroom

modern bathroom with brown tiles

Although leaks can occur in new kitchens and bathrooms, it’s more common to find them in slightly older ones where the sealant no long offers a watertight seal due to either wearing away over time, losing adhesion to the surface, having a small split / cut or somehow being removed completely

 

Key signs to look out for include:

  • Swollen skirting boards or bench tops
  • Loose tiles
  • Mildew around fixtures and joints
  • Mould behind existing sealant (if visible)
  • Damp patches
  • Peeling or flaking paint near a water source.

Even a small opening provides an opportunity for water to make its way in behind the tiles and fixtures and potentially cause large amounts of damage to your home, so whether you’re resealing a gap in your shower, around your bath, sink, splashback or drain it’s important that you get it right the first time.

Sikasil CAP silicone sealant provides a guaranteed watertight seal between almost all surfaces that you would find in a kitchen or bathroom making it perfect for use in all the aforementioned applications. Sikasil CAP has a long shelf-life as well as excellent mould and mildew inhibiting properties and comes in a huge range of 15 colours, ensuring that no matter what your bathroom colour scheme, Sikasil CAP will compliment it perfectly.

Sikasil CAP Colour Chart
Sikasil CAP Colour Range

 

What You’ll Need

  1. Sikasil CAP
  2. 200ml of water mixed with some detergent
  3. Dry Cloth
  4. Painters or Masking tape
  5. Caulking gun
  6. Stanley Knife
  7. Small spatula

How to Fix It

Sikasil C 08

  1. If there is existing silicone, remove it completely by using a sharp stanley knife or razor blade.
  2. Clean and remove any mould from the joint and wipe through joint with a cloth lightly moistened with methylated spirits and then wipe the joint surfaces again with a dry cloth to remove any moisture from the surface or in the joint
  3. Ensure all surfaces are now clean, dry and free from dust, grease and loose materialss before starting the sealing application
  4. Apply tape to both sides of the gap. This provides a neat finish to the seal and makes it easier to clean once the silicone has been applied.
  5. Following the instructions on the cartridge, cut the cartridge seal and nozzle and place cartridge into suitable caulking gun. Hold gun at 45° angle with nozzle in contact with both joint surfaces and gun Sikasil CAP into the joint. If covering a large area, be sure to work in sections that you can complete before the silicone starts to skin.
  6. Before the silicone skins, smooth off with a small spatula  and then finish the seal by wetting your finger with some water that’s been mixed with a small amount of washing detergent and run it along the freshly applied sealant towards you, forcing the silicone into the corner gap and smoothing the silicone surface as you go. Remove excess sealant immediately with a cloth dampened in mineral turpentine.
  7. Once the silicone has the smooth finish you’re looking for, remove the tape, lightly run you soapy water coated finger over the sealant to remove any sealant edges left when the tape was removed and you’re done.
  8. Allow 48hrs to completely cure

Whether it’s around your sink, bathtub, splashback or in your shower, Sikasil CAP provides a high quality seal for any application in your kitchen or bathroom. Sikasil CAP is available from Bunnings, Mitre 10 or any good hardware store around the country.

Want more information on our range of sealing and bonding products? Check out our website here

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4 thoughts on “how to fix common leaks in your kitchen and bathroom

  1. Excellence!! Thank you for tutorial! this is very useful information especially for those never had leakage experience before! But there are various type of Sealants, #PolyurethaneSealant, #SiliconeSealant, #MSPolymerSealant, etc….

    1. Hi Luke,

      Glad you found it useful!

      There’s most definitely a wide range of different sealants that can be used depending on the application however we would definitely recommend Sikasil CAP for almost all general applications in the kitchen or bathroom.

  2. Hi, I used sikaflex to seal the grill of the shower drain, and I was wondering for how long do I have to wait until I can use the shower again? in other words, how long until the sikaflex can get in contact with running water?

    1. Hi Omar,

      Given Sikaflex is a moisture curing sealant, it’s curing time is dependent on the temperature and the moisture content of the environment. We would usually recommend not using the shower for at least 48hrs however if you’re in a slightly drier location, we would recommend leaving the Sikaflex for 72hrs before using, just to be sure.

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