We Don’t Just Fix Leaks — We Solve Leakage Problems Permanently
Waterproofing done only on surface level.
Wrong waterproofing method used.
Low-quality materials or poor workmanship.
Temporary patch repairs instead of full treatment.
Leakage Problems Explained
Why Leakage Keeps Coming Back Without Proper Waterproofing
Many property owners experience repeated leakage problems even after repair. This is often because the root cause of leakage is not properly identified.
Our Waterproofing Solutions
Complete Waterproofing Services
We provide a full range of waterproofing services for different areas of a building.
Each solution is selected based on site condition, leakage severity, and long-term durability.
Why Us
Why Property Owners Trust J & G
Waterproofing
- Experienced waterproofing specialists.
- Suitable for small repairs & large-scale projects.
- Proven waterproofing methods.
- Quality materials with proper application.
- Clear explanation before work starts.
- Warranty provided for selected waterproofing systems.
Projects Gallery
Waterproofing Projects & Case Studies
Not Sure What’s Causing the Leak?
Let Us Inspect It.
Leakage problems are not always visible on the surface.
Our team provides site inspection and solution proposals based on actual conditions.
Waterproofing FAQ
Common Leakage
Questions Answered
Leakage problems can be confusing and frustrating.
Below are some of the most common questions property
owners ask about waterproofing and leak repairs.
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Why does leakage return after repair?
Common reasons leakage comes back include:
- Incomplete diagnosis: The original source of the leak may have been misidentified. Water can travel internally before appearing, making the true entry point difficult to detect without thorough inspection.
- Temporary or surface-level repairs: Sealants or patches applied without proper preparation may degrade over time due to heat, moisture, or movement, allowing leaks to reappear.
- Aging or deteriorated materials: Surrounding components such as seals, membranes, joints, or fittings may continue to fail even after one area is repaired.
- Structural movement or vibration: Buildings and vehicles naturally expand, contract, or flex. If repairs don’t account for this movement, cracks or gaps can reopen.
- Poor workmanship or incorrect materials: Using unsuitable repair materials or improper installation techniques can lead to early failure.
- Blocked drainage paths: Clogged drain channels or water outlets can force water to find new paths, causing leaks to return in the same or nearby areas.
What is the difference between PU Injection and Torch-On?
- PU Injection is used to stop active leaks and seal internal cracks. Liquid polyurethane is injected into the concrete, where it expands and blocks water pathways from inside the structure. It’s ideal for basements, walls, slabs, and areas where tiles or finishes should not be removed.
- Torch-On waterproofing is an external surface membrane system. A heated bitumen sheet is applied to roofs, balconies, and slabs to create a continuous waterproof layer. It’s best for large exposed areas and preventive waterproofing but usually requires surface preparation or tile removal.
How long does waterproofing last?
Waterproofing can last 5 to 15 years or longer, depending on the type of waterproofing system used, quality of materials, workmanship, and exposure to weather and movement.
Is hacking required for waterproofing?
Hacking is not always required for waterproofing. It depends on the type of leak, waterproofing method used, and condition of the surface.
Is waterproofing suitable during rainy seasons?
Yes, waterproofing can be done during rainy seasons, but it depends on the method used and site conditions.
Do you provide warranty?
TBC.
Why We Are
About J & G Waterproofing
Leaking Specialist Services
J & G Waterproofing Leaking Specialist Services, based in Terengganu,
is a professional waterproofing contractor providing reliable solutions
for residential, commercial, industrial, and government projects. We
handle everything from minor repairs to large-scale works, focusing on
long-term solutions that address the root cause of leakage. We donʼt
just fix leaks — we solve leakage problems permanently.
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Get Reliable Waterproofing
Services in Terengganu Today
Stop wasting money on repeated leak repairs.
Let our experienced team provide a proper waterproofing solution with warranty and peace of mind.