What are the techniques of waterproofing ? - Le Fong Building Services

 There are many ways to waterproof an area. Depending on your needs and the area to waterproof, we will suggest and recommend at least one type of waterproofing techniques below for your consideration.

  • Torch-applied membrane
  • Liquid-applied membrane (Polyurethane)
  • Cementitious brush-applied coating
  • Self-adhesive membrane
  • PVC Membrane
  • Traffic-bearing membrane

FIND OUT MORE ABOUT THE DIFFERENT TECHNIQUES OF WATERPROOFING IN OUR SERVICES – WATERPROOFING PAGE.

The primary leakage issues faced by Singapore homeowners are cracks in their internal and/or external walls. While some contractors may tell homeowners that evacuation is necessary, Le Fong has a better solution for you – Polyurethane (PU) Crack Injection.

What is a polyurethane (PU) crack injection?

PU injection involves concrete crack repair and basement waterproofing techniques which are only applicable to poured concrete structures. Crack injection, or “PU Injection, is used in the following applications:

  • To repair water seepage from concrete cracks of virtually any size in poured concrete walls or ceilings;
  • To permanently seal actively leaking cracks;
  • To repair basement cracks that have been previously repaired by injection or some other basement waterproofing technique; and
  • The repair of cracked poured concrete structures in general.

Be sure to check out our waterproofer tips on finishing your basement.

LE FONG IS WELL-KNOWN AS THE CONCRETE CRACK INJECTION SPECIALISTS IN SINGAPORE AND OUR NEIGHBOURING COUNTRIES.

How does crack injection work to fix water seepage?

PU injection involves the pressurized injection of either epoxy or polyurethane resin into a foundation crack; these injections are referred to as epoxy crack injection and polyurethane crack injection. The injection pressures ensure that cracks are filled through the entire thickness of a ceiling wall which is typically 200-300cm thick, thereby effectively eliminating the crack and keeping water on the exterior of the foundation where it belongs so that you no longer have water in your basement. 

This type of concrete crack repair is all that is needed to accomplish basement waterproofing when a poured concrete crack is leaking, or if there is a concern that an existing crack may leak in the future. Pressurized crack injection is also the most economical means by which to repair a wet, leaky poured concrete basement; in reality, it is rarely necessary to excavate a poured concrete foundation wall.

Excavating and waterproofing a foundation is expensive and destructive. Crack injection is an effective and inexpensive way to put an end to foundation leaks and that wet basement

As the indisputable leaders in the domain of pressurised injection services for concrete crack repair and crack injection in residential, commercial and industrial properties in Singapore, we are the experts for any of your water leakage or seepage problems due to cracks on your internal and/or external walls.

Our experienced specialists are the leaders in the industry because of four key reasons.

  1. We use only the latest technology and techniques
  2. We use highly-customised equipment that is not found in the market
  3. We have a variety of materials available to us and use only the most appropriate one for each job. We do not believe in a “one size fits all” mentality.
  4. We rigorously trained our new technicians before they are qualified to work alongside our experienced experts in the PU Crack Injection team.
We are the rescue team for water leakage and seepage issues. Even some of our competitors come to us when they are not able to solve the problem on their own. Le Fong has proven our expertise in handling any cracks in the concrete foundation of your ceiling, basement or any other underground structure with all the success of our PU Crack Injections behind us. With many successful injections behind us, we have proven that we are able to handle the concrete foundation crack in your wet basement or any other cracked concrete underground structure.

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