Grouting Waterproofing in KL & Selangor

We have grouting waterproofing service in Kuala Lumpur and Selangor for fast results and lasting protection for kitchens and bathrooms. 

Grouting waterproofing helps to stop water leakage by filling in cracks with an impermeable material. 

Different types of grouting are applied depending on the project’s need – cementitious grouts for larger gaps, chemical grouts for fine cracks or epoxy grouts for high-strength bonding. Once injected, the grout expands or hardens and effectively seals off water pathways.

Benefits of Grouting Waterproofing 

• Effective for hard-to-reach leaks

Compared to traditional techniques, grouting waterproofing uses high pressure machines to inject the specialised materials that allows the grout to spread into every small gap and pore. By sealing water ingress at the source instead of just the surface, grouting ensures a more comprehensive and reliable solution.

• Prevents mold, dampness, and musty odors

Grouting waterproofing can address mold issues by eliminating the conditions that encourage mold growth. It promotes a healthier indoor environment by reducing allergens and preventing respiratory issues caused by mold spores.

• Non-invasive solution

As a minimally invasive process, grouting waterproofing involves drilling small holes for grout injection, which causes little to no disruption and can be carried out quickly and with minimal disturbance. This makes it a highly practical solution because no demolition work is involved.

• Long-lasting protection

The materials used in grouting like chemical, cementitious or epoxy are designed to harden and form an impermeable seal against water pressure and seepage. If applied properly, it can be maintained for decades with minimal maintenance. 

• Fast curing solutions

With chemical and polyurethane grouts, both react quickly upon injection. Hence, water pathways are sealed almost immediately so it reduces downtime and allows other construction work to resume without long waiting periods. It is definitely a great option for urgent situations.

• Suitable for both old and new constructions

Grouting waterproofing can be applied for both old and new constructions. In older buildings, grouting waterproofing helps restore the old floor and wall grouts without the need for a complete renovation. Grouting for new home construction is a preventive waterproofing method.

• Cost-effective for structural repairs

Since grouting waterproofing requires less labour, fewer materials and no large-scale demolition, the overall project costs are reduced. Moreover, by waterproofing your home’s grouts, it helps property owners to save on long-term grout maintenance and repair costs.

• Environmentally safe materials

Modern grouts are designed to minimise toxicity and environmental impact, with many formulations being non-hazardous and safe. Additionally, it reduces the need for resource-heavy reconstruction projects, which lowers overall carbon footprint. 

Grouting Waterproofing Applications  

• Bathrooms & Wet Areas

Bathrooms are exposed to water which makes them vulnerable to seepage. Grouting waterproofing for the bathroom is especially effective as it seals gaps between tiles and penetrates into the substrate to prevent water from leaking into adjoining rooms or lower floors.

• Kitchens

For grouting waterproofing in the kitchen, grout is injected into the joints around the sink, flooring cracks and wall edges where moisture tends to accumulate. 

• Water Tanks & Overhead Tanks

Water tanks must be entirely watertight to function properly. If there are cracks in your tanks, contact us immediately. For larger voids, cementitious grouts are preferred, while fine cracks are treated with chemical or epoxy grouts without draining the entire tank.

• Foundation Walls 

As foundations mostly face constant contact with groundwater and soil moisture, the application of the grouting needs to be done by drilling holes along the foundation walls from inside or outside and injecting chemical grout under high pressure. This foundation waterproofing process strengthens the wall and prevents seepage from underground sources.

• Storage Areas

As for storage areas, technicians will identify leakage points and inject grout through drilled ports to create a moisture-proof environment and protect stored goods from water damage. Polyurethane grouts are commonly used because they expand to fill even hairline cracks. 

• Facade & Window Joints 

Building facades and window joints are treated by drilling small injection holes along the leaking joints. A low-viscosity chemical grout is injected, which flows into micro-gaps and solidifies into a waterproof barrier which helps to preserve the exterior look of the building.

• Rooftops & Terraces

Cracks and porous surfaces on rooftops or terraces are treated by drilling at the leakage points and injecting cementitious or polyurethane grouts without the need to re-lay the entire roof surface. The grout fills the cracks within the slab and seals them from inside, creating a permanent barrier against water pooling and seepage.

• Manholes, Sewage and Drainage Systems

In drainage and sewage systems, leaks are sealed by injecting chemical grouts into the cracked or porous concrete under wet conditions. The grout reacts with water, expanding and solidifying to block leakage paths. Because the process requires minimal excavation, it is especially useful for confined underground spaces like manholes. 

• Cracked Concrete Repair

When concrete walls, slabs, or beams develop cracks, the repair process involves drilling along the crack line and inserting injection ports. Epoxy or polyurethane grout is then pumped under controlled pressure. 

Our Grouting Injection Service Includes 

• Polyurethane (PU) Grouting

Polyurethane injection waterproofing into the grouts is effective for stopping active water leaks in basements, underground car parks, tunnels, lift pits and foundation walls where water is still flowing through the concrete cracks. It is flexible after curing allowing it to handle slight structural movements without breaking the seal.

• Cementitious Grouting

For cementitious waterproofing grouting, it is suitable for large cracks, wide voids and structural strengthening. Since it is based on cement, it hardens into a rigid, durable waterproofed material. 

• Acrylic Gel Grouting

To repair fine cracks and porous areas in the cement that requires waterproofing, acrylic gel grouting is the best. Its low viscosity allows it to seep into hairline cracks and microscopic pores. Our technicians would recommend this to our customers especially for basements, tunnels, and underground facilities, especially in conditions with high groundwater pressure.

• Epoxy Grouting

Unlike PU or acrylic, epoxy does not expand but it hardens into a strong, rigid seal that bonds firmly with the surrounding concrete. This makes epoxy waterproofing the best choice for beams, columns, slabs and industrial floors. We opt for epoxy for load-bearing conditions. 

Signs You Need a Grouting Waterproofing Service 

• Visible Cracks in Walls or Floors 

If you notice visible cracks in walls or floors, start taking action because these cracks can widen over time. If you notice fine hairline cracks in concrete surfaces or larger gaps in tiled areas, it’s a strong indicator that moisture is finding its way in. This is where grouting can fill those cracks internally, stopping water ingress and restoring strength to the affected surfaces.

• Water Seepage or Damp Patches 

Damp patches on walls or floors often suggest hidden leaks. If left untreated, the water seepage can spread, damaging your home or building further. 

• Mold, Mildew, or Musty Odors 

The presence of mold or mildew is a health concern because mold thrives in moist environments and can cause allergies and respiratory issues. Along with visible mold growth, a musty odor is often an early warning sign that water is infiltrating through cracks or gaps. Grouting waterproofing service can help to eliminate the moisture entry to prevent mold growth.

• Dripping or Wet Ceiling Corners

If you notice water dripping from ceiling corners or dampness spreading across the ceiling surface, it often means there is leakage from an upper unit, floor, roof or overhead tank (especially in high-rise apartments or multi-level homes). To prevent further damage, you need to get a grouting waterproofing service soon and ensure it is applied directly to the source.

• Peeling Paint or Blistering Walls

Walls with peeling paint, bubbling, or blistering are usually signs of prolonged moisture exposure. The paint film lifts as water is seeping through the wall from behind, weakening the plaster and creating unsightly patches. Address it by engaging a professional waterproofing company followed by wall repainting works.

• Leakage in Bathrooms, Kitchens, or Wet Areas

These areas are vulnerable for water leaks. Signs include pooling water, leaking joints or dampness in adjoining rooms. Grouting waterproofing is injected into cracks and requires no major home demolition work. It ensures the space is fully sealed and protected against continuous water exposure.

Our waterproofing specialist offers professional grouting waterproofing services to effectively seal cracks, stop leaks and restore the durability of your homes. 

Please call or email us right now for your grouting waterproofing needs in Cheras, Kajang or Kepong and let us help you protect your property before the water leak problems get worse, pose safety risks and become more expensive to fix.