How to choose cost-effective waterproofing solutions in Delaware?

We start with understanding the common causes of basement water issues and different types of waterproofing techniques. 

Common Causes of Basement Water Issues

Atmospheric humidity makes Delaware basements susceptible to constant water problems. Apart from that, the following reasons cause basement water issues:

Poor Drainage  

Inadequate drainage around the foundation can cause water to seep into the basement through cracks or gaps in the walls or floor.

Hydrostatic Pressure 

Excessive groundwater pressure around the foundation can force water through cracks and joints in the basement walls and floor.

Cracks and Leaks 

Foundation cracks, deteriorating mortar joints, and faulty waterproofing membranes can allow water to penetrate the basement.

Sump Pump Failure 

A malfunctioning or inadequate sump pump system can result in water accumulation and flooding during heavy rainfall or snowmelt.

Different types of waterproofing techniques

Various waterproofing techniques are used to protect buildings and structures from water damage. Some of them are cost-effective and others are a little expensive. 

List of cost-effective basement waterproofing techniques

Membrane Waterproofing

This involves applying a waterproof membrane, often made of materials like bitumen or synthetic rubber, to the surface of the structure to prevent water infiltration. 

Cementitious Waterproofing

This technique involves applying a cement-based coating or sealant to surfaces such as concrete walls or foundations to create a waterproof barrier. 

Waterproofing Paints

One of the most cost-effective methods of waterproofing is using waterproofing paints or coatings. These products are typically applied like regular paint and provide basic protection against water intrusion. While they may not offer the same level of durability or long-term performance as more expensive options, they can be suitable for certain applications such as sealing small cracks in walls or providing a temporary waterproofing solution. 

Liquid Waterproofing Membrane

Liquid membrane systems are applied as a liquid coating that forms a continuous, seamless barrier over surfaces, effectively waterproofing them. 

Crystalline Waterproofing

Crystalline waterproofing materials are applied to concrete surfaces, where they penetrate the concrete and form crystals that block water penetration.

Drainage Systems

Waterproofing can also involve installing drainage systems such as French drains or sump pumps to redirect water away from the structure’s foundation.

Exterior Waterproofing

This involves applying waterproofing materials to the exterior surfaces of the building, such as exterior walls or foundations, to prevent water from entering. 

Interior Waterproofing

Interior waterproofing methods include installing interior drainage systems or applying waterproof coatings to the interior surfaces of basements or crawl spaces. 

These techniques can be used individually or in combination to provide comprehensive waterproofing solutions for buildings and structures at the most suitable basement waterproofing price. They can also be done as a DIY project to further reduce the costs. DIY waterproofing using paints and coatings is the cheapest way to protect surfaces from water damage, but proper surface preparation, product selection, application techniques, and maintenance are crucial for optimal results.

General tips for DIY application of the best basement waterproofing technique

Surface Preparation

Thoroughly clean the surface to remove dirt, dust, grease, and any loose particles.

Repair cracks, holes, and uneven areas using suitable fillers or patching compounds.

Ensure the surface is dry before proceeding with the waterproofing application.

Selection of Paints/Coatings

Choose paints or coatings specifically designed for waterproofing purposes.

Consider factors such as the type of surface (concrete, wood, metal, etc.), exposure to weather conditions, and the intended use of the area (indoor or outdoor).

Types of Waterproofing Paints/Coatings
Acrylic Waterproofing Paints

These are water-based paints that form a flexible barrier on the surface, preventing water penetration.

Elastomeric Coatings

Highly flexible coatings that can stretch and contract with the substrate, are ideal for areas prone to movement or expansion.

Epoxy Coatings

Provide a strong, durable waterproof layer suitable for areas exposed to heavy traffic or chemical exposure.

Polyurethane Coatings

Offer excellent resistance to water, chemicals, and abrasion, commonly used in industrial and commercial settings.

Application Techniques

Follow the manufacturer’s instructions regarding application methods, mixing ratios (if applicable), and recommended tools.

Use brushes, rollers, or sprayers depending on the type of paint/coating and the size of the surface.

Apply multiple coats as necessary, ensuring thorough coverage and allowing proper drying/curing time between coats.

Additional Considerations

Pay attention to temperature and humidity conditions during application, as these can affect the performance and drying/curing time of the product.

Apply the waterproofing material evenly to avoid uneven coverage and potential weak spots.

Consider using reinforcing fabrics or membranes in areas prone to high water exposure or structural movement.

Regular maintenance and inspections are essential to ensure the longevity of the waterproofing system.

Safety Precautions

Wear appropriate personal protective equipment (PPE), such as gloves and goggles, when handling paints and coatings.

Ensure adequate ventilation in enclosed spaces to prevent inhalation of fumes or vapors.

Dispose of any unused or leftover materials according to local regulations.

List of expensive basement waterproofing techniques

The costliest waterproofing techniques involve advanced materials, labor-intensive processes, and specialized equipment. Here we list down a few of such techniques :

Bentonite Injection

This method involves injecting a specially formulated bentonite clay mixture into cracks or voids in the foundation to create a waterproof barrier. Keep in mind that additional costs may arise for preparation, labor, and any necessary repairs or treatments. It’s advisable to get quotes from several contractors to compare prices and services. 

Polyurethane Injection

This method involves injecting liquid polyurethane into cracks and voids in concrete structures. The polyurethane expands to form a flexible seal, effectively preventing water intrusion. It’s costly due to the high cost of polyurethane materials and skilled labor required for precise application. 

Epoxy Coating

Epoxy coatings provide a durable, waterproof barrier when applied to concrete surfaces. They are highly resistant to chemicals, abrasion, and moisture, making them ideal for waterproofing in demanding environments such as industrial facilities or parking garages. The cost is driven by the quality of the epoxy resin and the surface preparation required for proper adhesion. 

Sheet Waterproofing

Sheet systems consist of preformed waterproofing membranes made of materials like modified bitumen or rubberized asphalt. These sheets are adhered to the substrate using heat or adhesives to create a watertight seal. The cost depends on the quality and thickness of the membrane material. 

Sprayed Polyurea

Polyurea coatings are applied using specialized spraying equipment, forming a seamless, waterproof membrane. They offer rapid curing times and excellent flexibility, making them suitable for complex geometries and irregular surfaces. However, the cost is high due to the specialized equipment and skilled labor required for application. 

Choosing a costlier technique is like investing in high-quality waterproofing that can save money by preventing costly water damage and structural deterioration in the long run. Each of these techniques has its advantages and limitations. The choice of an appropriate waterproofing technique may depend on factors such as specific waterproofing requirements, budget constraints, site conditions, surface preparation, and application technique. It’s essential to assess your specific needs and consider consulting with a professional in Delaware to determine an appropriate and cost-effective waterproofing solution for your situation at the best basement waterproofing price. 

The cost of waterproofing can vary depending on factors such as the type of waterproofing method used, the size of the area being waterproofed, and the specific requirements of the project. Generally, methods like epoxy injection, crystalline waterproofing, and cementitious waterproofing tend to be more expensive compared to simpler methods like liquid membranes or waterproofing paints. However, the costliest type of basement waterproofing can vary because of factors such as the condition of the structure, accessibility, and the expertise required for installation. 

Factors determining cost of basement waterproofing 

To calculate the cost of waterproofing a basement and to arrive at the best basement waterproofing price you’ll need to consider the following factors:

Square footage

Measure the surface area of the walls and floors that need to be waterproofed.


Estimate the cost of waterproofing materials such as sealants, paints, membranes, or drainage systems. Be sure to account for the quantity needed based on the square footage.


If you’re hiring professionals, get quotes from waterproofing contractors or handyman services. Labor costs can vary based on the complexity of the job and your location.

Additional expenses

These include equipment rental, surface preparation, repairing cracks or leaks, and any landscaping adjustments needed for exterior waterproofing.

It’s advisable to consult with local waterproofing contractors or specialists in Delaware to get accurate pricing and recommendations based on your specific needs. Delaware Waterproofing Solutions offers the best basement waterproofing price.

Delaware Waterproofing specializes in providing top-grade waterproofing services tailored to meet your specific needs. With years of experience and a commitment to excellence, we offer comprehensive solutions to protect your property from water damage and ensure its longevity. From basement waterproofing to foundation repair, our skilled team utilizes advanced techniques and high-quality materials to deliver lasting results. Whether you’re dealing with leaks, moisture intrusion, or other water-related issues, we have the expertise to address them efficiently and effectively with the best basement waterproofing price. Customer satisfaction is our top priority, and we strive to exceed expectations with every project we undertake. Trust Delaware Waterproofing to safeguard your investment and keep your property dry and secure for years to come at a pocket-friendly price. 


Waterproofing plays a crucial role in maintaining the longevity, safety, and functionality of buildings, structures, and products in various environments and conditions. Basement waterproofing is a critical investment for homeowners in Delaware to protect their properties from water damage and maintain a safe and healthy living environment. By understanding the common causes of basement water issues, implementing effective waterproofing solutions, and choosing a reputable waterproofing contractor, homeowners can safeguard their basements against moisture problems at the best basement waterproofing price. 

Frequently Asked Questions 

Q1. What is the minimum basement waterproofing price?

Generally, the minimum price for basement waterproofing can start around $1,500 to $2,500 for basic solutions such as sealing cracks or installing interior drainage systems. However, the final price may depend on multiple other factors.

Q2. What is the cost of waterproofing the basement from the inside?

Interior basement waterproofing typically costs between $2,000 and $7,000, depending on factors such as the size of the basement, the extent of waterproofing needed, the type of drainage system installed, and any additional repairs or upgrades required.

Q3. What is the cost of waterproofing the basement from the outside? 

The cost to waterproof a basement from the outside, also known as exterior waterproofing, generally ranges from $8,000 to $15,000 or more. This cost can vary based on factors such as the size of the basement, the condition of the foundation, the extent of excavation required, accessibility, materials used, and any additional repairs or upgrades needed. 

Q4. What is the cost of bentonite injection? 

The cost of bentonite injection waterproofing depends on multiple factors. However, generally, bentonite injection waterproofing can cost between $3 to $10 per linear foot.