There are a variety of products available for interior wall waterproofing, including concrete sealers, liquid membranes, sheet membranes and elastomeric coatings. Concrete sealers help to prevent water penetration into the surface and can be used in both new and existing concrete structures.
The main advantage of interior waterproofing is it's less expensive and less disruptive than exterior waterproofing. It can be done without excavating the outside of your home, so you won't have to damage your landscaping or dig up your driveway.
Any paint film will simply prevent the treatment from working. The only way to waterproof a painted surface is to remove the paint or apply a waterproofing masonry paint on top.
However, DRYLOK® cannot be used over an oil or latex-based paint on the inside of a building. DRYLOK® will adhere to these paints, but if it cannot penetrate into the pores of the masonry itself, it will not waterproof the surface.
Epoxy paint is suitable for waterproofing basements and concrete surfaces. Latex paint is easy to apply, quick to dry and offers effective protection against water and moisture. Latex-based waterproof paint is preferred for interior use on the walls and ceilings.
Waterproofing Paint: Applying a waterproofing paint or sealant is one of the most affordable solutions. These products are designed to prevent minor seepage and are readily available at hardware stores. Ensure the wall is clean and dry before application.
Typically, cement waterproofing can last 5 to 10 years, depending on the type used and the overall maintenance. However, this can vary based on environmental conditions and the quality of the application.
Effective Water Management: While it doesn't prevent water from entering the walls like exterior waterproofing, interior waterproofing effectively manages water by directing it away from the basement space, keeping it dry and usable.
Interior Waterproofing
Sealants can be applied to walls and floors to block moisture from entering. Typically, interior sealants last about 2 to 5 years. They are a cost-effective, short-term solution but might not address the root cause of the water intrusion.
Protection Against Moisture Damage: Internal wall waterproofing creates a barrier that prevents moisture from penetrating the walls. This waterproofing walls interior helps to avoid issues such as dampness, mold, and mildew, which can compromise indoor air quality and structural integrity.
The most popular way to waterproof your drywall is to use oil- or latex-based waterproofing primer. These primers are made by most paint manufacturers and are designed to prevent mold and mildew from growing on the surface of your drywall.
Damp Proof Membrane (DPM): Damp Proof Membranes are impermeable dimpled plastic sheets that create a highly effective barrier between the damp wall and any new internal finishes, preventing further penetration of moisture.
Cementitious Waterproofing – Cementitious waterproofing products are considered as the easiest waterproofing materials to use. These are readily available from suppliers of masonry products like MCT UAE, and they're easy to mix and apply.
While there are many methods that can be used, one popular method is to apply a waterproof coating to the walls, which will create a barrier that prevents water from seeping in.
In the end, most professionals see waterproof paints as a temporary patch for their problem. They're not appropriate for waterproofing basement walls, and they're likely to fail, usually in six months to two years' time.
Latex. Get the longest-lasting finish with the best gloss retention. Sherwin-Williams latex paints are easy to work with, dry quickly and are extremely durable. Latex paints clean up easily with soap and water.
Check for any cracks in the walls and seal them
As a result of these cracks, moisture gets into your structure and creates damp patches in your walls. Thus, it is important to remove these cracks with suitable putty. Make sure you do this before monsoon to prevent water leakage.