A dry and leak-free basement is essential for maintaining the structural integrity of your home and safeguarding your belongings from water damage. In Delaware, USA, where heavy rainfall and high water tables are common, investing in effective basement waterproofing near me is a wise decision.

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This blog will explore the various types of basement waterproofing materials used by Delaware Waterproofing to help you make an informed choice and protect your home from moisture-related issues.

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Waterproofing Sealants – Basement Waterproofing Near Me

Delaware Waterproofing uses various types of sealants to create a water-resistant barrier to prevent water intrusion through cracks, gaps, and other vulnerable areas. Here are some common sealants that are often used in basement waterproofing near me.

a. Polyurethane Sealants:

Polyurethane sealants are flexible, durable, and suitable for both interior and exterior applications. They are commonly used to seal cracks and gaps in the basement walls, preventing water from seeping through.

b. Epoxy sealants:

Epoxy sealants are incredibly strong and provide excellent adhesion to concrete surfaces. They
are commonly used to repair cracks in basement walls and floors. Epoxy sealants can withstand high water pressure and are suitable for more significant water issues.

c. Silicone Sealants:

Silicone sealants create a strong bond with various surfaces and are resistant to UV rays and temperature changes. They are commonly used for exterior basement waterproofing near me.

d. Sodium Bentonite Sealants:

Sodium bentonite is a natural clay material that swells when exposed to water. It is often used as a sealant in situations where traditional methods may not be feasible. When hydrated, sodium bentonite forms a waterproof gel-like substance, sealing off leaks and preventing water intrusion.

e. Acrylic Sealants:

Acrylic sealants are water-based and easy to apply. They are suitable for minor basement waterproofing tasks, such as sealing small cracks and gaps. Acrylic sealants are not as flexible as polyurethane or epoxy sealants, so they may not be the best choice for areas prone to movement.

Read this quora thread to learn the difference between acrylic and silicon sealant.

f. Hybrid Sealants:

Hybrid sealants combine the best features of various sealant types, such as polyurethane and silicone, to provide superior performance. They offer excellent adhesion, flexibility, and weather resistance and are commonly used as basement waterproofing materials.

Waterproofing Coatings and Paints

Waterproofing coatings are applied to various structures, including basements, roofs, decks, and concrete surfaces, to create a seamless and durable water-resistant layer. Delaware Waterproofing uses different types of coating materials depending upon the requirement. Here are some common types of coatings used in basement waterproofing:

a. Bituminous Coatings:

Bituminous coatings is a widely used material for basement waterproofing solutions.
These are made from bitumen, a black, sticky, highly viscous petroleum-based material. It is a byproduct of crude oil refining and has exceptional waterproofing qualities.
They form a durable waterproof barrier, preventing water from seeping into basement waterproofing near me. The application of bituminous coatings typically involves heating the material to reduce its viscosity and make it easier to apply. It can be sprayed, brushed, or rolled onto the surface. The coatings form a seamless, flexible, and durable layer, effectively sealing and protecting the surface from moisture and work as exceptional basements waterproofing material.

b. Polyurethane or Epoxy Coatings:

Polyurethane and epoxy coatings are popular choices in basement waterproofing near me due to their versatility. It is applied in liquid form and creates a tough and impermeable membrane that seals the basement walls and floors perfectly dry. It can be formulated to have a wide range of hardness, from soft and flexible to rigid and durable, making it adaptable to different applications.
Polyurethane is known for its resilience and durability, making it long lasting in various environments. It exhibits good resistance to chemicals and abrasion, which makes it suitable for coatings and sealants. It has excellent bonding capabilities on various underlying layers.
Epoxy sealants are incredibly strong and provide excellent adhesion to concrete surfaces. They are commonly used to repair cracks in basement walls and floors. Epoxy sealants can withstand high water pressure and are suitable for more significant water issues.

c. Cementitious Waterproofing Coating:

Cementitious coatings are commonly used by Delaware Waterproofing to treat water damage. This cement-based material is used to create a barrier against water penetration in various building structures, including basements, foundations, and concrete structures. It is a popular choice for both new construction and the repair of existing structures due to its effectiveness and relatively simple application.
Most cementitious waterproofing products come in a two-component system, where a liquid polymer or acrylic additive is mixed with dry cement-based powder. This creates a flexible and water-resistant slurry or coating that forms a continuous and seamless layer,
that effectively prevents water penetration withstanding both positive water pressure (water coming from the outside) and negative water pressure (water vapor trying to pass from the inside to the outside). Cementitious waterproofing can be used in combination with other waterproofing systems, such as membrane systems, for enhanced protection in critical areas.

d. Acrylic Waterproofing Paints:

Acrylic-based paints are easy to apply and form a protective film over the walls. They are suitable for minor moisture issues and can be used on both interior and exterior surfaces.

Waterproofing Membranes – Basement Waterproofing Near Me

Waterproofing membranes are thin layers or sheets of materials designed to provide a watertight barrier, protecting various structures from water infiltration and moisture-related issues. These membranes are commonly used in a wide range of applications, including basements, roofs, foundations, and decks. They offer an effective and durable solution for preventing water damage and ensuring the longevity of the building.

a. Elastomeric Membranes:

Elastomeric membranes have exceptional waterproofing properties. These membranes are made from elastomeric compounds, which are essentially synthetic rubber-like materials that have the ability to stretch and return to their original shape without damage. This property makes them ideal for waterproofing applications, especially in areas where building movements or structural shifts are expected. Hence, they are perfect basement waterproofing material.
Elastomeric membranes are typically applied as a liquid or semi-liquid coating, which allows for a seamless application on various surfaces, such as concrete, masonry, and metal. Their exceptional flexibility, adhesion, and durability, makes them an effective solution for basement waterproofing near me. Delaware Waterproofing ensures a successful and long-lasting waterproofing solution through a professional installation of elastomeric membranes in your basements and the other parts of the building where it is required.

b.Polymer-modified Bitumen Membranes:

These membranes combine asphalt with polymer additives, enhancing their elasticity and durability. Polymer-modified membranes are excellent for areas with frequent temperature fluctuations, as they can accommodate the movement of the building’s foundation.

c. Sheet-based Membranes:

Sheet membranes are applied to the exterior of basement walls. They are made of bentonite clay, modified bitumen, rubber, polyethylene, polypropylene, ethylene propylene diene monomer(EPDM),reinforced polymers, and other rubber and plastic sheet compositions. They provide a continuous seamless barrier against water intrusion and are effective basement waterproofing material.

d. Plastic Membranes and Vapor Barriers:

Plastic membranes and vapor barriers are used as a moisture-resistant layer on the interior surface of basement walls. They reduce water vapor transmission and protect against condensation-related issues.

Read this blog to know more about waterproofing membranes

Drainage Systems – Basement Waterproofing Near Me

A drainage system in a residential structure refers to a network of pipes, gutters, and other components designed to manage and direct the flow of water away from the building. The primary purpose of a drainage system is to prevent water accumulation around and within the property, protecting it from water damage and maintaining a safe and hygienic living environment. Delaware Waterproofing is skilled in installing top-quality drainage systems both interior and exterior to protect your home from water damage.

a. Interior Drainage Systems:
Interior drainage systems, such as French drains, sump Pumps are installed for basement waterproofing near me to collect and redirect water that enters through walls or floors. They consist of perforated pipes and a sump pump that efficiently moves water away from the basement. Interior French drains are installed inside the basement along the perimeter to collect and channel water to a sump pump.

Baseboard Drainage Systems:

Baseboard drains consist of plastic or vinyl channels installed along the basement walls to capture and redirect water to a sump pump or drain.

Sump pump

A sump pump is a mechanical device installed in the lowest part of a basement or crawl space of a house to help prevent water from flooding the area. Its primary function is to pump out water that collects in a sump pit or basin, directing it away from the building’s foundation and keeping the space dry.

b.Exterior Drainage Systems:

Delaware Waterproofing provides efficient services in installing exterior drainage systems, like surface and subsurface drains that are designed to manage water before it reaches the foundation. They divert water away from the building, preventing excessive moisture from seeping into the basement.

French Drains:

French drains are trenches filled with gravel and contain perforated pipes that collect and redirect water away from the basement foundation.

Exterior Sump Pump Systems: These pumps are installed outside the basement to remove water collected by the French drains or other exterior drainage systems.

c. Cavity Drainage Systems:

Cavity drain membranes are installed on the interior walls and floors of the basement. They create an air gap that allows water to drain down to a perimeter drainage system, preventing hydrostatic pressure from building up against the walls.

Click on this blog to learn about sump-pump alarm system

Waterproofing Admixtures

a. Integral Waterproofing Admixtures:

Integral waterproofing admixtures are chemical additives that are mixed directly into concrete or mortar during the mixing process to improve the material’s resistance to water penetration. Unlike traditional surface-applied waterproofing and methods, integral waterproofing works from within the concrete or mortar, creating a more comprehensive and durable waterproofing material. These admixtures are commonly used in construction to enhance the waterproofing properties of various concrete structures, such as basements, foundations, retaining walls, swimming pools, and water tanks.They enhance the concrete’s ability to repel water, providing internal waterproofing protection.

b. Crystalline Waterproofing Admixtures:

Crystalline waterproofing materials are specialized chemical additives used in concrete and mortar to provide a unique waterproofing solution. These admixtures contain reactive chemicals that react with the moisture present in the concrete or mortar to form crystalline structures. These crystals block the capillaries and pores within the concrete, reducing its permeability and making it highly resistant to water penetration, which is necessary for the basements to remain dry.


Hence, this comprehensive list of waterproofing materials for your basement can help you understand what is best suited for your problem. However, it is important to understand that the choice of waterproofing materials for basements depends on factors such as the severity of water intrusion, the type of foundation, soil conditions, and budget. It is essential to consult with a waterproofing professional to assess the specific needs of the basement waterproofing near me and determine the most appropriate waterproofing solution. Additionally, a combination of exterior and interior waterproofing measures may be used to provide comprehensive protection against water intrusion in basements. Professionals like Delaware Waterproofing can help you with the accurate assessment of the problem and its adequate treatment by using appropriate waterproofing materials.