Bathroom waterproofing is an essential part of the construction process and it is vital that it be carried out correctly to avoid the disruption and expense that is caused when a waterproofing membrane fails. While it may appear to be a simple job that anyone can do, it is crucial that all manufacturers specifications be followed and the waterproofing product itself be well tested and have a long history of successful use by the installer. At Brisbane Bathroom Waterproofing we have used the same waterproofing product in over 600 bathrooms and are confident that we have the best systems in place to ensure your brand new dream bathroom doesn’t turn into a leaky nightmare.

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A large amount of the work we do is leaking showers repair and bathrooms where an installer either hasn’t followed the manufacturer’s guidelines or has decided to take a chance on a newer and cheaper waterproofing product. If you are considering doing your own waterproofing for your bathroom renovation, the following is a list of some of the lessons we have learned along the way.

  • The Subfloor must be solid and free from movement. Movement in the floor increases the probability that the membrane will fail as it stretches back and forth over time.
  • Whether you’re waterproofing to a concrete or fibre cement surface it’s essential that all debris (old tile glue, plaster, dust and bedding) be removed before applying the waterproofing membrane. If the surfaces aren’t clean the waterproofing can just peel off causing the bathroom to leak.
  • If the area that requires waterproofing is upstairs or on a timber floor then it must be sheeted in ceramic tile underlay. The underlay must be both glued and nailed with a minimum of 150 nails per sheet.
  • Most insurance companies won’t cover the cost of repairing a leaky bathroom if the waterproofing hasn’t been correctly installed by a qualified and licensed bathroom waterproofer. We provide a Form 16 upon completion which means that you are both covered by our company warranty for 6 and a half years as well as your home and contents insurance if there was ever an issue down the track. 

If you are considering doing your own waterproofing or just have a question you would like to ask, feel free to give Bathroom Waterproofing Brisbane a call and we would be more than happy to help in any way we can.

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