Looking for a versatile, reliable caulk that can handle all your sealing needs? Look no further than the Dap 18128 Alex Plus Acrylic Latex Caulk Plus Silicone 5.5-Ounce! This all-purpose acrylic latex caulk is not only highly flexible and durable, but it also creates a long-lasting waterproof seal. With its strong multi-surface adhesion, you don’t have to worry about it shining through or discoloring your paint.
Plus, it’s mold and mildew resistant, making it perfect for both interior and exterior applications. And the best part? It’s paintable in just 30 minutes and cleans up easily with water. With a 35-year durability guarantee, this caulk is sure to meet all your sealing needs and then some!

Introducing the Dap 18128 Alex Plus Acrylic Latex Caulk
Table of Contents
Why Consider This Product?
If you’re looking for a versatile and reliable caulk that can handle various applications, then consider the Dap 18128 Alex Plus Acrylic Latex Caulk Plus Silicone 5.5-Ounce. This product offers numerous features and benefits that make it an excellent choice for both interior and exterior projects.
With scientific research and evidence backing its effectiveness, this caulk is highly flexible and durable, creating a long-lasting waterproof seal. The inclusion of silicone ensures strong multi-surface adhesion, preventing any shine through or paint discoloration. Additionally, the cured caulk is resistant to mold and mildew, providing a hygienic environment.
To enhance credibility, this product comes with relevant certifications and endorsements, making it an excellent choice for professionals and DIY enthusiasts alike. Many satisfied customers have also provided testimonials, attesting to the product’s exceptional quality and performance.
Features and Benefits
Exceptional Flexibility:
One of the outstanding features of the Dap 18128 Alex Plus Acrylic Latex Caulk Plus Silicone is its high flexibility. This allows the caulk to expand and contract with temperature changes, ensuring a tight and durable seal. With this feature, the caulk is suitable for a wide range of applications, from sealing gaps in windows and doors to filling cracks in walls.
Strong Adhesion:
This caulk boasts strong multi-surface adhesion, making it suitable for various materials, including wood, metal, and concrete. Whether you’re working on an indoor or outdoor project, the Dap 18128 Alex Plus Acrylic Latex Caulk Plus Silicone will provide a secure and long-lasting bond.
Mold and Mildew Resistance:
Say goodbye to unsightly and unhealthy mold and mildew! This caulk’s advanced formula effectively resists the growth of mold and mildew, ensuring a hygienic environment and preventing costly repairs or replacements in the future.
Low Odor and Easy Cleanup:
Nobody wants to work with a caulk that emits strong and unpleasant odors. Thankfully, the Dap 18128 Alex Plus Acrylic Latex Caulk Plus Silicone is low in odor, providing a more comfortable working environment. Additionally, cleanup is a breeze with just water, eliminating the need for harsh chemicals.


Product Quality
When it comes to product quality, Dap has a long-standing reputation for excellence. The Dap 18128 Alex Plus Acrylic Latex Caulk Plus Silicone is no exception. Crafted with utmost precision and care, this caulk exemplifies superior quality that you can rely on for all your sealing needs.
Backed by a 35-year durability guarantee, this product promises longevity and performance. You can trust that this caulk will maintain its effectiveness and quality for years to come, ensuring a durable and reliable seal.
What It’s Used For
Versatile Applications:
The Dap 18128 Alex Plus Acrylic Latex Caulk Plus Silicone is a highly versatile product suitable for a wide range of applications. From sealing gaps and cracks in windows and doors to filling joints in baseboards and trim, this caulk can handle it all. Its flexibility and durability make it an excellent choice for both interior and exterior projects.
Bathroom and Kitchen:
With its mold and mildew resistance, this caulk is an ideal choice for sealing joints and gaps in bathroom and kitchen areas. It effectively prevents water penetration and keeps these areas hygienic. Whether you need to seal around your bathtub or kitchen sink, the Dap 18128 Alex Plus Acrylic Latex Caulk Plus Silicone can do the job effectively.
Window and Door Frames:
Sealing gaps and cracks around window and door frames is crucial for energy efficiency and preventing drafts. The Dap 18128 Alex Plus Acrylic Latex Caulk Plus Silicone offers a reliable solution, ensuring a tight seal and reducing energy loss.
Exterior Surfaces:
From sealing gaps in siding to filling cracks in masonry, this caulk is perfect for outdoor applications. Its durability and weather resistance make it suitable for various exterior surfaces, providing a protective barrier against moisture and the elements.

Product Specifications
Specifications | Details |
---|---|
Size | 5.5-Ounce |
Sealant Type | Acrylic Latex Caulk Plus Silicone |
Adhesion | Multi-surface |
Odor | Low |
Paintable | Yes |
Cleanup | Water |
Durability | 35-year guarantee |
Who Needs This
The Dap 18128 Alex Plus Acrylic Latex Caulk Plus Silicone is a must-have product for everyone involved in home improvement projects. Whether you’re a professional contractor or a DIY enthusiast, having this versatile caulk in your toolbox is essential. It can be used for a wide variety of sealing tasks, ensuring a professional and long-lasting finish.

Pros and Cons
Pros:
- Highly flexible and durable
- Strong multi-surface adhesion
- Resistant to mold and mildew
- Low odor and easy cleanup
- 35-year durability guarantee
Cons:
- The 5.5-ounce size may not be sufficient for larger projects
FAQ’s
- Can this caulk be used on both interior and exterior surfaces? Yes, the Dap 18128 Alex Plus Acrylic Latex Caulk Plus Silicone is suitable for both interior and exterior applications.
- How long does it take for this caulk to dry before it can be painted? This caulk is paintable in just 30 minutes, allowing for a faster completion of your projects.
- Can this caulk be used in wet areas such as showers? While this caulk is mold and mildew resistant, it is not recommended for use in constant immersion or areas with high water exposure, such as showers.

What Customers Are Saying
Customers who have used the Dap 18128 Alex Plus Acrylic Latex Caulk Plus Silicone praise its exceptional quality and performance. Many have noted its strong adhesion and flexibility, ensuring a durable and reliable seal. The low odor and easy cleanup have also received positive feedback, making it a favorite among both professionals and DIYers.
Overall Value
Considering its numerous features and benefits, the Dap 18128 Alex Plus Acrylic Latex Caulk Plus Silicone offers excellent value for money. With its high flexibility, strong adhesion, mold and mildew resistance, and easy cleanup, this caulk provides a reliable solution for your sealing needs. The 35-year durability guarantee further enhances its value, assuring you of its long-lasting performance.

Tips and Tricks For Best Results
To achieve the best results with the Dap 18128 Alex Plus Acrylic Latex Caulk Plus Silicone, follow these tips and tricks:
- Ensure the surface is clean and dry before applying the caulk.
- Cut the tip of the caulk tube at a 45-degree angle for easier application.
- Apply the caulk in a steady and continuous motion, filling the gap or joint completely.
- Smooth the caulk using a caulk smoothing tool or your finger, removing any excess.
- Allow the caulk to dry for the recommended time before painting or exposing it to water.
Final Thoughts
Product Summary
In summary, the Dap 18128 Alex Plus Acrylic Latex Caulk Plus Silicone is a highly versatile and reliable caulk that offers exceptional flexibility, strong adhesion, and mold and mildew resistance. Its low odor and easy cleanup make it a pleasure to work with, while its 35-year durability guarantee ensures long-lasting performance.
Final Recommendation
If you’re in need of a caulk that can handle various sealing tasks, both indoors and outdoors, look no further than the Dap 18128 Alex Plus Acrylic Latex Caulk Plus Silicone. With its outstanding features, exceptional quality, and positive customer feedback, this product comes highly recommended. Trust in the Dap brand and invest in this caulk for all your sealing needs.
