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Resin Injection Sydney

Resin Injection

Resin injection is a method for stabilizing foundation soils that have been disturbed or damaged by groundwater, seepage, or erosion. It involves injecting a mixture of cement and water into the ground. The result is a strong, durable barrier that prevents further damage to the foundation by water seepage or erosion.

Underslab injections

To inject grout, you first need to know the type of injection that will work best for your project.

  • Water stop injection is used when you want to seal leaks in a concrete slab, such as those caused by plumbing or electrical lines. It’s also used for repairing cracks in slabs and walls. This type of repair doesn’t require any power tools; instead, you’ll use a hand pump or air compressor to force the material into place through an opening near the leak or crack.
  • Resin injection is another method you can use for sealing leaks and cracks, but it’s more effective with larger openings than water stop injections are. In order to complete this type of repair, it’s important that all surfaces around your leaky area first be cleaned thoroughly with an abrasive sponge so no debris remains on them before injecting resin into them. Then begin by mixing resin with clean water until they’re thoroughly mixed together before pumping them into place until all bubbles have been removed from beneath your slab surface while simultaneously brushing against its underside as you go (this helps remove any air pockets).

Crack injection

Crack injection is a popular repair method for concrete. It strengthens the concrete by injecting epoxy resin into cracks and joints.

The two main types of crack injection are:

  • Crack injection: This process repairs cracks in the surface of a slab with an epoxy resin solution, which replaces lost water in the voids created by the cracking. This can prevent further damage and help extend the life of the slab.
  • Joint injection: This process fills gaps between adjacent slabs with epoxy resin, allowing them to be joined firmly together while maintaining their integrity over time.

External injection

External injection is used to fill voids and can be used for a variety of applications.

  • External injections are used in the subfloor to repair nail pops, depressions or uneven surfaces. This method can also be used on joists and trusses that have been damaged by water damage or termites.
  • In the walls, external injections can be used to repair cracks and holes left from window or door installation as well as cosmetic issues such as spider webs.
  • The ceiling is also another place where external injections can help fix nail pops and cracks caused by settling over time or structural defects from poor construction practices during initial construction projects

Chemical grouting

Chemical grouting is a method of filling voids and cracks with a cementitious material. It is used to treat many different types of underground voids, including open joints, cavities, fissures and other openings in concrete structures.

The process involves injecting grout into the void under pressure through a pipe or tube called a grout reinforcer. The pressure creates high friction between the inside surfaces of the joint, which causes them to fuse together by force. As this occurs, excess grout flows out from under low points and escapes back through the reinforcer tube before sealing off any remaining openings in the structure.

Floor levelling

Resin injection is another method you can use for sealing leaks and cracks, but it’s more effective with larger openings than water-stop injections. It can also be used as a support for floors with minor movement. Cracks in concrete, as well as any dips or hollows on the surface, need to be filled before injecting resins into them. This can be done using external injection using specialist machines or chemical grouting (from an adjacent room).


Resin injection is a type of process that is used to repair cracks in concrete floors. This process involves injecting resin into gaps between the surface of the concrete floor and its sub-flooring. Resin injection is typically done when there are large voids underneath concrete slabs that need to be filled with crack filler material before applying epoxy or paint coatings on top of them.