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Raja Janak Marg, Tinkune - Kathmandu

Waterproofing Services in Kathmandu: A Comprehensive Guide

waterproofing services

Waterproofing services involve protecting a building’s surfaces—such as roofs, walls, and basements—from water penetration. These services are vital to ensure your property remains structurally sound and free from moisture-related issues like mold, mildew, and weakened foundations. Whether you’re dealing with a leaky roof or a damp basement, waterproofing keeps water out and prevents damage.

In Kathmandu, where the climate can be harsh, waterproofing services in Kathmandu are especially important. The heavy monsoon rains, coupled with the fluctuating temperatures, make buildings particularly vulnerable to water-related damage. Therefore, it’s essential to address issues such as cracks, leaks, and moisture buildup before they escalate into major problems. Waterproofing ensures that your property remains safe, dry, and livable.

From leakage repair near me to roof leak repair near me, crack repair near me, local experts offer tailored solutions to protect your home or business. These experts use modern techniques like chemical coatings, membranes, and injections, each designed to prevent water infiltration and ensure the longevity of your building.


Why Waterproofing Services in Kathmandu Are a Must

In recent years, waterproofing services in Kathmandu have become increasingly important for both homeowners and business owners. The unpredictable weather patterns, coupled with the heavy monsoon rains, leave properties vulnerable to water damage. Common issues include leaky roofs, damp walls, and mold growth, which can cause serious structural damage if left untreated.
Waterproofing Service

Waterproofing services are not just about addressing existing problems but also preventing potential issues. Whether you’re dealing with cracked walls or moisture in your basement, professional roof repair service near me can ensure your building remains safe and structurally sound. It’s about being proactive and saving on costly repairs down the line.

In Kathmandu, waterproofing services help you combat common challenges like:

Roof leaks due to heavy rainfall.

– Moisture absorption in terraces leading to wall dampness.

– Cracked walls and peeling paint caused by water seepage.

A professional waterproofing company in Kathmandu can provide long-lasting solutions, using techniques such as waterproofing membrane sheets and advanced   applications to seal your property against water. These services are essential for homes and businesses in Kathmandu, where the frequent rains and humidity can quickly deteriorate unprotected surfaces.


How Waterproofing Protects Your Property

Effective waterproofing services provides a host of benefits for your home or business:

  1. Extends the life of your building: By preventing water damage, waterproofing keeps your building in top condition for longer. It protects your roof, walls, and foundation from deterioration caused by moisture.

  2. Prevents mold and bacteria growth: Moisture buildup can lead to the growth of mold and bacteria, which not only damage the structure but also pose health risks. Proper waterproofing stops this before it starts.

  3. Increases property value: A well-maintained, waterproofed property is more attractive to buyers and tenants. Waterproofing makes your property more durable, enhancing its resale value.

  4. Saves money on long-term repairs: Preventing water damage early is more affordable than repairing extensive structural issues later. It’s a smart investment that pays off in the long run.


Common Waterproofing Solutions in Kathmandu

In Kathmandu, waterproofing services vary depending on the type of property and the specific issues you face. Here are some common solutions:

– Roof Waterproofing: Roof leaks are a common issue in Kathmandu due to the heavy rains. Roof waterproofing services typically involve the application of coatings or membrane sheets that form a barrier against water infiltration.

– Basement Waterproofing: Basements are often at risk of dampness, especially in homes located in low-lying areas. Waterproofing a basement usually involves the use of a waterproof membrane or sealant applied to the exterior foundation walls.

– Bathroom and Terrace Waterproofing: Moisture tends to accumulate in bathrooms and terraces. These areas are sealed with water-resistant materials like membranes or coatings to prevent water from seeping into the walls and causing damage.


Types of Waterproofing Services in Kathmandu

1. Cementitious Waterproofing Services

  • Best for: Bathrooms, kitchens, water tanks

  • Process: Applying a cement-based waterproof coating

  • Advantages: Affordable, easy to apply, suitable for constant water exposure

  • Price: Rs. 50 – 150 per sq. ft.

2. Liquid Waterproofing Membrane

  • Best for: Roofs, walls, terraces

  • Process: Applying a thin liquid waterproof coating that hardens

  • Advantages: Flexible, crack-resistant, UV-resistant

  • Price: Rs. 150 – 400 per sq. ft.

3. Bituminous Waterproofing Services

  • Best for: Concrete roofs, basements, foundations

  • Process: Applying bitumen (asphalt) coating

  • Advantages: Strong, durable, ideal for underground waterproofing

  • Price: Rs. 300 – 800 per sq. ft.

4. Polyurethane Waterproofing Services

  • Best for: Terraces, roofs, balconies

  • Process: Applying a PU-based waterproof coating

  • Advantages: Seamless, flexible, suitable for complex surfaces

  • Price: Rs. 400 – 900 per sq. ft.


Types of Waterproofing Services

There are many types of waterproofing services like:

1. Roof Waterproofing Services

One of the most common problems in Kathmandu is roof leakage. Roof waterproofing services help prevent rainwater from seeping in and causing internal damage.

2. Terrace and Balcony Waterproofing Services

Terraces are flat and collect water easily. High-quality coatings and PVC waterproofing membranes are commonly used here.

3. Basement and Foundation Waterproofing Services

Basements are vulnerable to ground moisture. Epoxy waterproofing and cementitious coating are effective for foundation protection.

4. Bathroom Waterproofing Services

Bathrooms face daily exposure to water. Applying multiple layers of waterproof chemicals ensures long-term dryness.

5. External Wall Waterproofing Services

Cracks in walls often let water seep in. Wall coatings, including damp proof paint, are used to form protective layers.


Waterproofing Services in Kathmandu Cost & Price

Nepal’s climate demands high-quality waterproofing compounds to prevent structural damage caused by excessive moisture, monsoon rains, and unpredictable weather conditions. Without proper waterproofing, buildings can suffer from leaks, cracks, mold growth, and weakened structur integrity. Investing in waterproofing chemicals and waterproofing compounds is essential for long-term protection.
So, how much does waterproofing cost in Kathmandu?

1. Roof Waterproofing Services

Roof areas are constantly exposed to harsh weather—sun, rain, and temperature fluctuations. Waterproofing your roof helps prevent leakage, structural damage, and mold growth. It also extends the life of the roofing materials.

  • Method: Membrane / Coating

  • Cost Range: NPR 80 – 250 per sq.ft


2. Bathroom Waterproofing Services

Bathrooms are high-moisture zones prone to water seepage, especially around the floor and wall joints. Proper waterproofing helps prevent damp patches in adjacent rooms and ensures hygiene and structural safety.

  • Method: Cementitious / Chemical

  • Cost Range: NPR 100 – 300 per sq.ft


3. Basement Waterproofing Services

Basements are vulnerable to groundwater seepage, especially during the monsoon season. Waterproofing helps protect the foundation and keeps interiors dry by sealing cracks and applying moisture-resistant membranes or epoxy coatings.

  • Method: Epoxy / Membrane

  • Cost Range: NPR 150 – 350 per sq.ft


4. External Wall Waterproofing Services

External walls face direct exposure to rain, humidity, and pollution. Waterproof paints or coatings prevent water ingress, protect the structural integrity, and maintain the visual appeal of the building.

  • Method: Coating / Paint

  • Cost Range: NPR 90 – 250 per sq.ft

Pro Tip: Always ask for a detailed quote from a waterproofing company in Kathmandu before proceeding.


5. Water Tank Waterproofing Services

Water tanks, especially underground ones, are prone to leakage and bacterial growth if not properly sealed. Waterproofing ensures durability and safety of stored water.

  • Method: Epoxy / Cementitious Coating

  • Cost Range: NPR 120 – 300 per sq.ft


6. Terrace Waterproofing Services

Terraces often develop cracks due to exposure to the sun and rain. Proper waterproofing prevents seepage into rooms below and avoids damage to structural concrete.

  • Method: PU Coating / Membrane System

  • Cost Range: NPR 100 – 280 per sq.ft


7. Balcony Waterproofing Services

Balconies, especially cantilever types, are susceptible to edge leakage and cracks. Waterproofing these areas protects both aesthetics and safety.

  • Method: Cementitious Coating / Liquid Membrane

  • Cost Range: NPR 100 – 250 per sq.ft


8. Swimming Pool Waterproofing Services

Pools require a watertight seal to prevent leakage and chemical seepage. Waterproofing is crucial during construction and regular maintenance cycles.

  • Method: Epoxy / Polyurethane Coating

  • Cost Range: NPR 200 – 500 per sq.ft


9. Foundation Waterproofing Services

A building’s foundation must be protected from groundwater to avoid long-term structural issues. Waterproofing here protects against rising damp and salt damage.

  • Method: Bituminous Membrane / Liquid Waterproofing

  • Cost Range: NPR 150 – 400 per sq.ft


Waterproofing Services in Kathmandu Price Breakdown

If you’re researching waterproofing services in Kathmandu price or waterproofing services in Kathmandu cost, here’s what you should know:

  • Waterproofing price in Nepal varies based on service area, material used, and company reputation.

  • Waterproofing membrane sheet price in Nepal ranges from NPR 90 to NPR 180 per square foot.

  • Labor charges and the number of coats of waterproofing required also affect the total.


Best Waterproofing Services in Kathmandu

Looking for the best waterproofing services in Kathmandu? Look for these traits:

– Licensed and insured

– Experience in residential & commercial projects

– Provides warranties (5-10 years)

– Uses high-quality Waterproofing materials   and waterproofing products like Sika, Dr. Fixit, or Fosroc


Waterproofing Services Near Me

Looking for waterproofing services near me or waterproofing service near me? Modern digital platforms make it easier than ever to find trusted professionals in your area. Whether you’re in Kathmandu, Lalitpur, or Bhaktapur, you can use the following tools to locate top-rated providers:

– Google Maps – Search “waterproofing services near me” and view ratings, reviews, and contact details.

– NepalYello – A reliable local business directory to find certified waterproofing experts in Nepal.

– Facebook Business Pages – Many companies, including Repairing Service Nepal, regularly update their services and offers here.

No matter where you are, simply typing “waterproofing services near me” or “waterproofing company near me” will present you with verified options, including well-established providers like Repairing Service Nepal.


Waterproofing Companies in Lalitpur and Bhaktapur

The demand for a trusted waterproofing company in Lalitpur and waterproofing company in Bhaktapur is rapidly increasing. These areas face unique climate and construction challenges, requiring tailored solutions.

Companies like Repairing Service Nepal specialize in addressing localized needs with proven waterproofing methods—ensuring long-term protection for both residential and commercial properties.

For homeowners and business owners in these regions, choosing an experienced provider like Repairing Service Nepal guarantees expert workmanship, timely delivery, and complete peace of mind.


How to Do Waterproofing?

Waterproofing is a systematic process that protects your building from water damage, seepage, and structural issues. Choosing the right waterproofing agent for your building project is essential to ensure long-lasting protection against water damage.
Waterproofing Services
Here’s a simplified yet effective 5-step waterproofing process used by professionals like Repairing Service Nepal:

1. Inspection & Assessment

A thorough site inspection is the first step. Experts identify visible cracks, damp spots, leak-prone areas, and underlying structural issues using moisture meters and visual checks.

2. Surface Preparation

Before applying any waterproofing solution, the surface must be properly cleaned and leveled. This includes removing dust, oil, old paint, or any loose material to ensure strong adhesion.

3. Chemical Application

Next, a high-quality waterproofing chemical or primer is applied to penetrate the surface. This layer acts as a sealant to prevent moisture from seeping in.

4. Membrane & Coating Layering

Depending on the area (roof, bathroom, walls, basement), professionals apply waterproofing membranes or additional protective coats like Waterproofing cement or bituminous layers for added durability.

5. Final Testing & Quality Check

Once the application dries, a water-tightness test is conducted to ensure the waterproofing was successful. Any detected weak spots are immediately treated.

Professionals like Repairing Service Nepal follow this process with strict attention to detail, ensuring long-lasting protection for your property—be it residential or commercial.


FAQs About Waterproofing Services



What is the cost of waterproofing?

The cost of waterproofing largely depends on the size of the area, the type of waterproofing method used (like bituminous membrane, cementitious coating, or epoxy), and the condition of the surface. On average, prices range from NPR 80 to NPR 350 per square foot. For larger areas or more advanced methods, the cost can increase. Repairing Service Nepal offers free inspections to provide an accurate quote.

Typically, waterproofing lasts anywhere between 5 to 10 years, depending on the material used and how well the surface is maintained. Regular inspections and timely reapplication can extend its life. High-quality services like those from Repairing Service Nepal offer long-lasting results with warranties for added peace of mind.

Cementitious waterproofing is considered the most budget-friendly method. It’s easy to apply, especially on internal surfaces like bathrooms and basements, though it may not be as flexible or durable as some premium methods. It’s ideal for basic protection on a tight budget.

While some experienced plumbers might offer waterproofing for small areas like bathrooms or kitchens, it’s always better to hire a specialized waterproofing company like Repairing Service Nepal, especially for larger projects like roofs, basements, or exterior walls. Specialists use the right materials, tools, and techniques for lasting results.

Yes, when applied correctly using quality materials and proper techniques, waterproofing is highly effective. It protects your structure from water seepage, mold growth, and long-term damage, saving you money on future repairs.

Epoxy waterproofing involves the application of a resin-based waterproofing coating that forms a hard, durable, and highly water-resistant surface. It’s ideal for industrial or commercial environments and high-traffic zones due to its strength and chemical resistance.

Most professionals recommend 2 to 3 coats of waterproofing for sufficient protection. The number of coats may vary depending on the surface condition and exposure to moisture. More coats typically result in longer-lasting protection.

Terrace waterproofing involves cleaning the surface, applying a waterproof primer, and then adding multiple layers of PVC waterproofing membrane, bituminous coating, or elastomeric paint. For best results, consult professionals like Repairing Service Nepal who follow industry-standard procedures.

PVC membranes are a premium option and cost between NPR 120 to NPR 200 per square foot, depending on thickness and quality. They are highly durable, UV resistant, and perfect for flat roofs or terraces.

Waterproofing a floor typically costs NPR 100 to NPR 300 per square foot, depending on the surface type, preparation required, and the waterproofing system used. Areas with heavy foot traffic or water exposure may need more robust solutions.

Depending on the area and method, waterproofing usually takes 2 to 5 days. Drying times between coats and curing periods must be considered to ensure maximum effectiveness.

To estimate waterproofing costs, multiply the area in square feet by the cost per square foot (including labor and materials). For example, 500 sq.ft × NPR 150 = NPR 75,000. Contact Repairing Service Nepal for a more accurate quote based on your property’s needs.

A single-layer waterproofing coat starts at around NPR 80 per square foot, but it might not be sufficient for all surfaces. Experts often recommend 2–3 layers for better protection, especially on external areas like terraces or basements.

The best waterproofing method depends on the location and use. Bituminous membrane and liquid-applied membranes are best for roofs and terraces. Epoxy coatings are preferred for industrial use, while acrylic and cementitious waterproofing work well indoors.

This refers to a process involving three layers of waterproofing application, typically a primer, a base coat, and a top protective layer. It’s widely used for critical surfaces like terraces, balconies, and bathrooms to ensure long-lasting protection.

Top waterproofing chemicals include:

  • Dr. Fixit LW+

  • Fosroc Nitobond EP

  • SikaTop Seal-107

These chemicals are known for their excellent bonding, water resistance, and longevity.

Waterproofing is not expensive compared to the cost of structural damage caused by water seepage. It’s a smart investment that adds value to your home and prevents recurring repair costs in the future.

Wall waterproofing generally costs between NPR 100 to NPR 250 per square foot, based on the material, the surface preparation needed, and the location of the wall (internal vs. external).

Elastomeric coatings are widely considered the best for their elasticity, crack-bridging ability, and UV resistance. They can expand and contract with the surface, making them ideal for roofs and walls in changing weather conditions.

The average cost of waterproofing in Nepal typically ranges from NPR 100 to NPR 300 per square foot. This varies depending on factors like surface condition, method used, and whether it’s a residential or commercial project.

Contact Repairing Service Nepal for affordable, professional, and long-lasting waterproofing solutions tailored for Kathmandu, Bhaktapur, and Lalitpur.

Final Thoughts

Waterproofing is not just a repair—it’s essential preventive care that safeguards your home or business from future damage, mold growth, and costly structural repairs. Investing in high-quality waterproofing services in Kathmandu today ensures peace of mind for years to come.

Whether you’re located in Kathmandu, Lalitpur, or Bhaktapur, choosing a trusted and experienced provider is key to long-lasting results. That’s where Repairing Service Nepal comes in.

As one of the most reliable names in the industry, Repairing Service Nepal offers professional waterproofing solutions tailored to your specific needs. With a team of skilled technicians, advanced techniques, and a commitment to customer satisfaction, they deliver durable, high-quality results every time.

Ready to protect your property from water damage?
Contact Repairing Service Nepal today for a free inspection and quotation.


Repairing Service Nepal
Your one-stop solution for home and business maintenance needs—delivering expert services with unmatched quality.

Address: Raja Janak Marg, Tinkune – Kathmandu
Phone Number: 01-5921330, 9802302562
Email: info@repairingservicenepal.com

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Repairing Service Nepal

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