Liquid Rubber Foundation Sealant – Benefits & Application Tips

A solid foundation in your building is a safe way of life and one key element that significantly contributes to preserving the foundation’s integrity is a waterproofing membrane.

Foundation sealing is essential for ensuring that your home foundations remain functional and sturdy over a more extended period. While many homeowners take the required safeguards for a healthy foundation, many overlook the need for its sealing.

When it comes to choosing a suitable concrete foundation sealant, Liquid rubber foundation sealant is what I found most compelling, among many others. And believe me, there are strong reasons many house owners trust it, so you can be confident that it is well worth the money.

About Liquid Rubber Sealant 

Liquid Rubber is a technologically advanced waterproofing material, highly regarded for its versatility and effectiveness in safeguarding various surfaces from water penetration.

The formula is non-flammable which means it can be applied to planter boxes, wood, concrete, metal, ICFs, basements, foundations, and a variety of other surfaces. You may even use this rubberized sealer on tall surfaces without having to worry about sagging. It provides good coverage of about 1 gallon per 20 sq ft.

What makes Liquid Rubber stand out is its genius chemistry where a mix of synthetic rubber polymers and liquid asphalt joins forces to create a robust, adaptable barrier on your concrete foundation.

Once it sets, it transforms into a durable, rubber-like armor that bends and stretches (without cracking or peeling) with your foundation’s mood swings, staying watertight even as your building throws a few settling tantrums.

Benefits of Using Liquid Rubber for Foundation

Wondering why Liquid Rubber is hailed as the superhero of concrete foundation waterproofing?

The key advantage of using Liquid Rubber for your building foundation is it creates a seamless, unbroken shield that water doesn’t stand a chance against—your foundation stays dry, no matter how much Mother Nature throws at it.

Another compelling reason to consider using Liquid Rubber as a foundation sealant is to prevent those unsightly and unhealthy moldy or discolored walls. Molds and mildews aren’t just cosmetic issues; they’re often signs of water penetration, which means there could be a leaky pipe or, more likely, a foundation issue causing the problem in your basement.

Taking swift action by applying Liquid Rubber can help seal your foundation, stop water leaks, and keep those pesky mold and moisture problems at bay.

Let’s splash into a few other reasons this product is stealing the show in home improvement:

1- Flexibility: This elastomeric marvel can stretch, twist, and settle right along with your foundation without cracking under pressure. By forming a continuous, seamless membrane that acts as an impenetrable barrier against water infiltration. This ensures that every inch of your foundation is covered, leaving no room for leaks or moisture to sneak through.

Once properly applied, Liquid Rubber doesn’t just stick around—it stays around while providing decades of reliable waterproofing protection.

2- DIY-Friendly: Whether you’re using a brush, roller, or sprayer, applying Liquid Rubber is as easy as a weekend home project- you don’t need to hire professionals. Perfect for both new builds and touch-ups it requires minimal prep while delivering maximum impact without costing a fortune. As it reduces the need for frequent repairs and maintenance, it’s a more cost-effective choice in the long run.

3- UV Resilience: Liquid Rubber’s UV-resistant properties mean it won’t break down, crack, or lose its waterproofing strength even after prolonged exposure to the sun. This durability makes it a great choice for areas where the foundation might face occasional sunlight or for above-grade applications where UV exposure is unavoidable.

4- Chemical Resistance: Furthermore, whether it’s acids, alkalis, or salts, this coating holds strong, making it perfect for foundations in industrial zones, chemical plants, or any place where harsh substances might be lurking.

5- Eco-Friendly Gamechanger: Concerned about the environment? Water-based Liquid Rubber Foundation Sealant is made from low-VOC (volatile organic compound) materials, ensuring it’s safe to use in residential and commercial spaces. This means it’s safe to use both inside and outdoors without requiring any particular breathing gear as solvated goods do. 

Not only does it protect your home, but it also minimizes environmental impact you—your children, and your pets are all secure.

Liquid Rubber Application Process, Tips & Things to Care

If you’ve got a leaking foundation, time is definitely not on your side. The longer you wait, the worse the damage will get. Addressing the leak early with a solution like Liquid Rubber Foundation Sealant can prevent these issues from escalating.

Applying liquid rubber foundation sealant is similar to painting, except that you apply thick coats to build up your waterproof membrane.

1- Prep: Before you apply the coating ensure that the area is dry and clean. There should be no loose, flaking paint, grease, coal, oil coatings, or other pollutants on the surface.

2- Patching Compound and Primer: If there are any cracks or holes, repair and patch them up using a suitable compound. Then apply a quality primer that bridges the gap between the surface and the coating, especially on porous or rough materials like concrete.

By prepping the surface with a primer, you create a stable foundation for the coating to adhere to. This reduces the risk of peeling or detachment over time, even under challenging conditions.

3- Apply Liquid Rubber: Remember that the sealer does not need to be mixed before use. So you can start right away.

Use a brush, roller, or spray equipment depending on the size and complexity of the surface. Brushes work well for small areas or detailed edges, rollers are great for flat surfaces, and sprayers make covering large areas quick and efficient.

Within 24 hours, up to two thick coatings might be applied. Apply the first coat evenly across the prepared surface. The second coat should only be applied when the first layer dries to the touch.

Do not forget to inspect the surface after each coat to ensure uniform application and no missed spots. A seamless, continuous layer is key to preventing water infiltration.

Things to Care

• Never use the liquid rubber sealer if it is raining or forecasted for that day.
• Keep an eye on the temperature; it’s preferable to apply it when it’s at least 40 degrees Fahrenheit. Using the sealant in direct sunlight is not recommended.
• Usually, it takes between 4-8 hours for liquid rubber sealant coating to dry. Curing typically takes 24-48 hours; however, ventilation, temperature, humidity, and all influence the curing time of the liquid rubber foundation and basement sealant.
• If you have any leftover liquid rubber foundation sealant material, you may shut the container correctly and utilize it later for future projects.

The Bottom Line

If your foundation isn’t sealed yet, don’t wait until water finds its way in. Particularly, if you’re dealing with a high water table or sandy soil, your foundation is at a greater risk of water infiltration, soil movement, and health dangers to the family such as mold development.

A proper sealant like Liquid Rubber adds an essential layer of protection, safeguarding against these challenges before they escalate.

Liquid Rubber outperforms several other popular foundation coating solutions, including cementitious, asphalt-based, acrylic-based, and silicone-based options, in terms of durability, flexibility, chemical resistance, UV resistance, cost-effectiveness, and eco-friendliness, making it an ideal choice for both residential and commercial applications.

The most important thing is to apply this product thickly on the surface for the best results. The tackier the final coat is, the better you will get the results out of it.