DAP 18286 10.1 oz. Gray Dynaflex 230 Premium Indoor/Outdoor Sealant
DAP 18286 10.1 oz. Gray Dynaflex 230 Premium Indoor/Outdoor Sealant
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DAP 18286 10.1 oz. Gray Dynaflex 230 Premium Indoor/Outdoor Sealant

4.6 stars out of 143 reviews
(4.6)|
143 ratings
DAP 18286 10.1 oz. Gray Dynaflex 230 Premium Indoor/Outdoor SealantDAP 18286 10 1 oz Gray Dynaflex 230 Premium Indoor Outdoor Sealant
Size:10.1 oz
Actual Color:Gray
selected, Gray

Key item features

  • Silicone Performance: Combines silicone performance with latex ease of use for versatile application.
  • Permanent Adhesion: Offers permanent adhesion and flexibility, ensuring long-lasting results.
  • ASTM Certified: Meets ASTM Specification C920, Class 25 for reliable quality and performance.
  • Size and Color: Available in a 10.1 oz. size and gray color, suitable for various projects.
  • Weather Resistant: Designed for outstanding exterior performance against the elements, including mold and mildew resistance.
  • Wide Compatibility: Adheres excellently to wood, MDF, PVC, polystyrene, and composite trimboard.
  • Easy Application: Easy to gun out, tools smoothly, and cleans up with soap and water.
  • Interior/Exterior Use: Suitable for both indoor and outdoor applications, filling gaps up to 1" wide.
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Columbus, 43215
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4.488871834228703 stars out of 5, based on 5217 seller reviews(4.5)
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About this item

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Customer ratings & reviews

4.6 out of 5 stars
stars143 ratings131 reviews
How item rating is calculated
  1. 5 stars80% (115)
  2. 4 stars11% (16)
  3. 3 stars2% (3)
  4. 2 stars0% (0)
  5. 1 star6% (9)

Reviews summary

Pros
  • : Quickly cleans with minimal mess.
  • : Forms a seal to prevent air leaks.
  • : Provides even coverage with minimal mess.
  • : Forms a strong bond on various materials up to 2 inches wide.
  • : Forms seal around doors and windows.
Neutral
  • : Can be vibrant and true to description, but may also vary from expected shade.
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Showing 1-3 of 131 reviews

Feb 9, 2026
LB
Item details
Size: 10.1 oz
Color: Gray
Sold byKwik RetailDelivered byWalmart
5 out of 5 stars review

Verified Purchase

Great

Color was perfect for areas that i needed to seal. Dried quickly.

Helpful?3AQ4MMVXNCZC21284575
Sep 7, 2020
James
5 out of 5 stars review

Verified Purchase

This is a good caulk. I used it for cement siding.

Helpful?3AQ4MMVXNCZC21284575
Jul 13, 2019
Minnesota Troll
5 out of 5 stars review

RAIN WHEN YOU DON"T WANT IT!!!

I spent a couple of hours sealing an old semi-trailer, it was a warm clear day. The 230 caulk went on very smooth and easy to handle. After a couple of tubes I was getting pretty good at applying it. I finished up and walked inside and was informed that a strong thunderstorm with heavy rain and high winds,has popped up to our west. When it hit we had 1 inch of rain in 45 minutes accompanied with 60 mph wind! Afterwards I went out to look and the caulk looked like whipped cream from a can!!!!! Not too happy with mother nature but, the caulk I had used a couple days earlier held up great! Moral of the story-- don't trust the weather in Minnesota!!

Review from DAP.com
Helpful?3AQ4MMVXNCZC21284575