
DRYLOK® Fast Plug® is a quick-setting mixture used to repair cracks in masonry, stone, tile, and brick. It is designed to stop water leaks by expanding and locking into the surface. Before applying DRYLOK® Fast Plug®, the area must be cleaned and prepared by wire-brushing, scraping, or chiselling. The mixture, which is combined with water, will set in 3-5 minutes and cannot be reworked once it has set. While DRYLOK® Fast Plug® can be painted over, it is important to ensure that the surface is completely dry before painting. DRYLOK® offers a range of compatible paints and waterproofers that can be used in conjunction with DRYLOK® Fast Plug®, including their Latex Masonry Waterproofer, Extreme Masonry Waterproofer, Powdered Masonry Waterproofer, and Concrete Floor Paint.
| Characteristics | Values |
|---|---|
| When to use | To seal bigger cracks and chips in masonry |
| Application | Wear eye protection, rubber gloves, and a dust mask. Clean the area thoroughly, then chisel out the area to be patched in an inverted V shape. Wet the area, then mix 3 parts DRYLOK Fast Plug and 1 part water until a putty consistency is achieved. Apply with a putty knife or trowel. |
| Setting time | Sets in 3-5 minutes. The patched area may be smoothed and trimmed after approximately 5 minutes. |
| Painting | May be painted when set with DRYLOK Latex Masonry Waterproofer, DRYLOK Extreme Masonry Waterproofer, DRYLOK Powdered Masonry Waterproofer, or DRYLOK Concrete Floor Paint. |
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What You'll Learn
- DRYLOK® Fast Plug® can be painted over when set with DRYLOK® Latex Masonry Waterproofer
- DRYLOK® Extreme Masonry Waterproofer can also be used to paint over DRYLOK® Fast Plug®
- DRYLOK® Powdered Masonry Waterproofer can be used to paint over the fast plug
- DRYLOK® Concrete Floor Paint can be used to paint over the fast plug
- DRYLOK® Fast Plug® cannot be reworked once it has set

DRYLOK® Fast Plug® can be painted over when set with DRYLOK® Latex Masonry Waterproofer
DRYLOK® Fast Plug® is a quick-setting and efficient solution for plugging leaks in masonry, concrete, and other surfaces. It is a modern formulation that effectively patches and repairs cracks, leaks, and holes. One of the key advantages of using DRYLOK® Fast Plug® is its ease of use and fast-setting capabilities. Once mixed with water, it sets within 3-5 minutes, forming a strong bond that can stop the flow of water through active leaks.
When using DRYLOK® Fast Plug®, it is important to follow the recommended safety precautions and application techniques. Wear protective gear, including eye protection, rubber gloves, and a dust mask. The area to be patched should be thoroughly cleaned and prepared by wire-brushing, scraping, or chiselling to create an inverted "V" shape. This unique shape allows the patch to expand and lock securely into the surface, ensuring a durable repair.
After mixing DRYLOK® Fast Plug® with water to achieve the desired consistency, quickly apply it to the prepared surface. Use a putty knife or trowel to smooth the patch evenly. For active leaks, the mixture will become warm to the touch within 2-3 minutes, indicating that it is beginning to set. At this point, firmly press the mixture into the leak opening and hold it in place for 3-5 minutes to ensure a complete set and a strong bond.
Once DRYLOK® Fast Plug® has set, it can be painted over to match the surrounding area. DRYLOK® recommends using their range of masonry waterproofers or concrete paints, such as DRYLOK® Latex Masonry Waterproofer, for optimal results. These products are specifically designed to work in tandem with DRYLOK® Fast Plug®, providing a seamless and waterproof finish. It is important to note that the surface should be allowed to cure for the recommended time, ensuring the best outcome for your project.
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DRYLOK® Extreme Masonry Waterproofer can also be used to paint over DRYLOK® Fast Plug®
DRYLOK® Extreme Masonry Waterproofer is a versatile masonry waterproofer that can be applied to interior, exterior, above or below-grade concrete or masonry walls. It is guaranteed to stop water ingress up to 15 psi and can withstand hurricane-force winds. It also resists mildew on the dry paint film.
Before applying DRYLOK® Extreme Masonry Waterproofer, the surface should be prepared. The area must be clean and free from dirt, dust, grease, oil, form release compound, frost, and paint. Any old paint in poor condition should be removed by wire-brushing, sandblasting, or other suitable methods. If there are white, powdery, crystal-like deposits on the surface, they are naturally occurring salt compounds that can be removed with DRYLOK® Etch or muriatic acid.
Once the surface is prepared, DRYLOK® Extreme Masonry Waterproofer can be applied. The product should be stirred thoroughly before and during application and should not be thinned. The first coat should be applied to bare masonry using a three-quarter-inch nap roller, a DRYLOK® Brush, or a quality nylon bristle brush. If using a brush, work the product into the pores of the masonry, ensuring that all pores and pinholes are filled. If using a roller, back brush the first coat to fill all pores and pinholes.
DRYLOK® Extreme Masonry Waterproofer can be used to paint over DRYLOK® Fast Plug®. DRYLOK® Fast Plug® is a fast-setting hydraulic cement used to patch holes and cracks. When using DRYLOK® Fast Plug®, the surface to be patched should be wetted so that the product can better anchor itself to the wall. The area to be patched should then be back-chiselled into an inverted "V" shape. The patch should be smoothed so it is even with the surface around it. As DRYLOK® Fast Plug® sets rapidly, only mix enough product for what you will use in 3-5 minutes.
DRYLOK® Extreme Masonry Waterproofer provides a waterproof coating when applied according to the directions on a properly prepared bare masonry surface. The product is warranted for 15 years from the application date, including subsequent owners.
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DRYLOK® Powdered Masonry Waterproofer can be used to paint over the fast plug
Before applying DRYLOK® Powdered Masonry Waterproofer, it is important to ensure that the surface is properly prepared. The surface must be clean and free from dirt, dust, grease, oil, form release compound, frost, and paint. Any holes or cracks should be patched with DRYLOK® Fast Plug®, a fast-setting hydraulic cement. The area to be patched should be wetted so that the DRYLOK® Fast Plug® can better anchor itself to the wall, and then back chiseled into an inverted "V" shape. The patch should be smoothed evenly with the surrounding surface. As DRYLOK® Fast Plug® sets rapidly, only mix enough product to be used within 3 to 5 minutes.
After patching any holes or cracks, the DRYLOK® Powdered Masonry Waterproofer can be applied. The product should be mixed with water in a ratio of 2 pints of water for every 10 pounds of DRYLOK® Powdered Masonry Waterproofer. For a thinner consistency, additional water can be added. The mixture should be stirred until smooth and free of lumps. The area to be painted must be thoroughly dampened with water before painting, and the surface water should be allowed to absorb completely before applying the product. When painting under hot or windy conditions, it is important to maintain a wetter surface.
DRYLOK® Powdered Masonry Waterproofer can be applied using a DRYLOK® Brush or a stiff bristle brush with a scrubbing motion. On interior surfaces and in extremely dry conditions, it is recommended to improve curing by misting newly painted walls after 6 to 8 hours. Two coats of the product are required, with a drying time of 12 to 24 hours between coats. After the second coat, the entire surface should be inspected for any pinholes, which can be addressed by applying an additional coat.
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DRYLOK® Concrete Floor Paint can be used to paint over the fast plug
Before applying DRYLOK® Concrete Floor Paint, it is important to properly prepare the surface. This includes removing any old paint, dirt, or debris from the concrete using a wire brush, sandblasting, or other suitable methods. If there are any cracks or holes in the concrete, they should be patched with a product such as DRYLOK® Fast Plug®, which sets rapidly and can be used to fill in gaps and create a smooth surface.
Once the surface is prepared, you can apply the DRYLOK® Concrete Floor Paint. It is recommended to apply at least two coats of the paint, allowing proper drying time between coats. After the final coat, it is important to wait at least 24 hours before subjecting the surface to foot traffic or placing any flooring or carpeting on top.
In terms of painting over the fast plug, it is important to note that DRYLOK® products are designed to work together. DRYLOK® Fast Plug® is often used as a patching compound in conjunction with DRYLOK® Concrete Floor Paint to create a smooth and waterproof surface. By following the proper application instructions and allowing adequate drying time, you can achieve a seamless and durable finish.
Overall, DRYLOK® Concrete Floor Paint can be successfully used to paint over the fast plug, creating a waterproof and protected surface. Just be sure to follow the manufacturer's instructions and allow the necessary drying time for the best results.
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DRYLOK® Fast Plug® cannot be reworked once it has set
DRYLOK® Fast Plug® is a quick-setting mixture used to patch and repair cracks in walls and surfaces. It is a cost-effective solution for repairing leaks and damage. However, it is important to note that once DRYLOK® Fast Plug® has set, it cannot be reworked.
The setting time of DRYLOK® Fast Plug® is approximately 3 to 5 minutes, and it is crucial to follow the instructions carefully for optimal results. Before applying DRYLOK® Fast Plug®, the area to be patched must be thoroughly cleaned and prepared. This includes wearing the appropriate protective gear, such as eye protection, rubber gloves, and a dust mask. The surface should be cleaned by wire brushing, scraping, or any other effective method to ensure it is free of debris.
When mixing DRYLOK® Fast Plug®, it is important to use room temperature water and mix only the amount needed for immediate use due to its quick setting time. The recommended ratio is 3 parts DRYLOK® Fast Plug® to 1 part water, mixed until a putty or heavy troweling consistency is achieved. This mixture will begin to set within a few minutes, and once it has set, it cannot be reworked.
After mixing, apply the DRYLOK® Fast Plug® to the prepared surface using a putty knife or trowel. For active leaks, force the mixture into the opening with your palm and hold it in place for 3 to 5 minutes to ensure a complete set and bond. The patched area can then be smoothed and trimmed to match the surrounding surface. DRYLOK® Fast Plug® can be painted over with specific DRYLOK® products, such as their range of masonry waterproofers or concrete floor paint.
In conclusion, DRYLOK® Fast Plug® is a quick and effective solution for patching and repairing cracks and leaks. However, it is important to work efficiently as once it has set, it cannot be reworked or manipulated. Always follow the instructions and take the necessary precautions to ensure a successful and safe application.
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Frequently asked questions
You can paint over DRYLOK® Fast Plug immediately after applying it. It is recommended to use DRYLOK® Latex Masonry Waterproofer, DRYLOK® Extreme Masonry Waterproofer, DRYLOK® Powdered Masonry Waterproofer, or DRYLOK® Concrete Floor Paint.
The area to be patched should be cleaned thoroughly by wire-brushing, scraping, or any other effective method.
Mix 3 parts DRYLOK® Fast Plug® and 1 part water until you get a putty-like consistency. Apply the mixture with a putty knife or trowel and smooth the patch evenly.
Yes, for active leaks, mix DRYLOK® Fast Plug® and force it into the opening with your palm once it becomes warm to the touch. Hold it in place for 3-5 minutes to ensure a complete set.
Yes, you can use DRYLOK® Concrete Protector on bare concrete. Wait 24 to 48 hours after application before painting with latex or acrylic floor paint.



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