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🔧 Seal smart, seal strong — your joints’ new best friend!
DAP Dynaflex 230 is a premium elastomeric latex sealant combining silicone-like toughness with superior flexibility. It fills gaps up to 2 inches, cures waterproof and weatherproof, and is paintable within 2 hours. Ideal for both interior and exterior use, it adheres to a wide range of materials and offers a durable, crack-resistant seal that enhances energy efficiency and protects your home for decades.





| ASIN | B0002YVBFC |
| Best Sellers Rank | #30,725 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #26 in Latex Caulk #18,501 in Hardware |
| Brand | DAP |
| Brand Name | DAP |
| Color | Brown |
| Customer Reviews | 4.6 out of 5 stars 915 Reviews |
| Full Cure Time | 24 hours |
| Included Components | 1 Tube |
| Initial Hardening Time | 30 minutes |
| Item Form | Paste |
| Item Type Name | Premium Elastomeric Sealant |
| Item Weight | 16 ounces |
| Liquid Volume | 10.1 fluid ounces |
| Manufacturer | DAP |
| Material Type | Advanced Acrylic Polymer, Wood |
| Maximum Gap Fill | 2 inches |
| Model | 7079818418 |
| Number of Items | 1 |
| Number of Packs | 1 |
| Part Number | 7079818418 |
| Surface Recommendation | Interior/Exterior |
| Temperature Range | 40 to 100 °F |
| UPC | 070798183025 |
| Unit Count | 10.1 Ounce |
| Warranty Description | Warranty |
| Water Resistance Level | Waterproof |
J**M
Works well and does well
Good caulk, works well and have used it for years
D**S
Fills BIG 1/4" gaps in wood siding, no problem. Awesome stuff, easy application
Using old-school white latex caulk on outdoor trim leaves a lot to be desired, namely it shrinks and splits where you need it to seal. Enter DAP Dynaflex. This fills BIG cracks, a bit over 1/4" just made it yawn and say, "can you please give me a challenge?" Flows and applies easily with a caulk gun, and if the label can be believed, stays pliant and won't fail. Time will tell, but so far so good.
C**B
Good color match.
This color, like other DAP colors, was a good match to our wood floor, which was the reason I chose this color of calk. Cure time was not excessive and adhesion was good. I've had good luck with DAP colors in the past and this was no different.
S**L
Good
Maybe I am color blind, but it is not a brown brown, but red brown, although the package displays really nice brown color! It is a good sealant that was easy to work with! It has good performance and is durable so far! I don’t like how the color appears different! Since the brown one is hard to find in the store, I was happy to get it from Amazon, although it is a bit pricey!
S**M
Quality caulk
Brown caulk worked just fine no issues
T**Y
Works
Works
A**N
Good quality
Good. Cheaper than in the hardware store and it’s delivered to your house.
M**R
Matched the paint
It was easy to fill in the areas of my homemade flower boxes. The color matched my paint great and didn’t need a second coat. Dried quickly.
L**T
Très intéressant.
Bon produit qui correspond parfaitement à la photo.
Y**U
Good
Good
D**Y
odeur désagréable
Pratique, sèche vite mais odeur un peu désagréable
A**H
Excellent
Let’s get to the point. Colour as described. Simple use. Does the job. What more do you need?!
B**D
good
a good match for what I need
Trustpilot
4 days ago
1 month ago