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Dynaflex 230 10.1 oz. White Premium Elastomeric Exterior/Interior Window, Door and Trim Sealant

$548
Buy 12 or more $4.93
  • Long lasting, all-purpose acrylic latex plus silicone sealant
  • Seals joints up to 1 in. wide in windows, doors and siding
  • Interior and exterior, 100% paintable and crack resistant
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Product Overview

DAP DYNAFLEX 230 100% waterproof window, door, siding and trim sealant is a premium elastomeric sealant with silicone like toughness to withstand the elements. Combines outstanding durability, adhesion and flexibility with easy tooling, paintability, low odor and water clean-up. Highly flexible to handle joint movement without cracking, crumbling or losing adhesionIdeal for sealing around window and door frames, siding and trim both inside and out.

Info & Guides

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Specifications

Dimensions

Individual size (oz.)
10.1

Details

Color/Finish
White
Coverage (linear ft.)
55
Cure Time (hours)
24
Dry Color Family
White
Dry to touch (min.)
30
Features
Moisture Resistant,Mold and Mildew Resistant,Permanently Flexible
Indoor/Outdoor
Indoor/Outdoor
Interior/Exterior
Exterior,Interior
Kit
No
Longevity
50 years
Longevity (years)
50
Number of Tubes Included
1
Professional Paint Supplies & Values
Pro Supplies
Returnable
90-Day
Sealant Form
Standard Tube
Sealant Type
Elastomeric
Transparency
Solid

Warranty / Certifications

Certifications and Listings
ASTM Compliant
Manufacturer Warranty
See Use and Care Manual

Questions & Answers

Typical questions asked about products:

  • Is the product durable?
  • Is the product easy to use?
  • What are the dimensions of the product?

Customer Reviews

  • 4.3
    out of 763 reviews
  • 80% recommend this product
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Showing 1-10 of 763 reviews
Another great Dap product with a Premium Quality that will last, just follow instructions.
I have been using Dap products for years and all you need to do is think of what you are using this product for and select the right product. Be sure to follow prep and drying time of this product before you paint or stain and check weather conditions.
by
  • Verified Purchase
  • Recommended
Typo on label it seems, 2-4 hours to paint...not 7-14 days. See picture.
I bought this in clear mistakenly. I've gone through probably 20 tubes of white. When I looked on the label to see the time until you can paint over it, it says 7-14 days! I checked the white tube and it says 2-4 hours, 7-14 days to full cure. I'm assuming this is a typo based on a previous customer review that I searched out that said 7-14 days until paint is nuts and gave it a low rating. The response from a rep was that 2-4 hours AS THE LABEL STATES is the time until it will accept paint. Most likely the rep doesn't have a misprinted label like I got, and most likely the reviewer had. Good stuff, doesn't go on as easily and isn't as easy to work with as the white stuff, but still way better than acrylic latex painters caulk (cheap stuff). Hopefully this review helps someone.
by
Response from DAPProductExpertMar 29, 2021
Thank you for posting your feedback. DYNAFLEX 230 (Clear) and DYNAFLEX 230 (White) have significantly different paint application times. The label data that you reference in your commentary is not a typographical error. The labels for “Clear” and “White/Colors” communicate different data, as they reflect the inherent performance differences between the “Clear” and “White/Color” versions of the product, more specifically, “Clear” acrylic-latex (water-based) sealants dry slower than White/Color versions. As indicated on both the product package label and supporting product literature (Technical Data Sheet) - DYNAFLEX 230 (Clear): "Allow sealant to dry clear (approximately 7-14 days) before painting with latex or oil-based paints." As indicated on both the product package label and supporting product literature (Technical Data Sheet) - DYNAFLEX 230 (White): "Allow sealant to dry 2-4 hours (longer in cool or humid conditions) before painting with latex or oil-based paints.” Should you have additional questions or wish to discuss this in more detail, please feel free to contact DAP Technical Customer Service at 888-327-8477. DAP
    • Recommended
    1 person found this helpful
    This is my go-to for filling in trim molding gaps
    After installing white crown, chair rail, and baseboard molding in our old house, the unevenness of the walls became very obvious. Dynaflex 230 to the rescue! With a little practice and the tip cut at an angle, you can put in a bead of caulk into the gap without too much cleanup required. For the photo, I stopped a couple feet short of the wall. The top edges were already done. It makes for a MUCH cleaner appearance. Three weeks and multiple daily showers later - no cracking or shrinking or anything. I have done the same with trim installed in other rooms with similar high quality results. This approach also makes it a lot easier to paint adjacent to the trim by cutting in with a brush.
    by
      • Recommended
      2 people found this helpful
      I had an old stock tank I wanted to turn into a water container garden, but it had some small lea...
      I had an old stock tank I wanted to turn into a water container garden, but it had some small leaks around the base. I used this sealant on the inside of the tank and the outside around the seams, and let it dry for about a week. Then I got impatient and filled it with water anyway (it said it could take a couple of weeks to dry completely). When I filled it up the leaks were much better, and it could hold water almost completely, but still leaked a little bit. I figured it wasn't that big of a deal and I would need to do periodic water changes anyway, so I left it at that. The biggest surprise came like a week later when this stuff finished drying (while holding water) and now it doesn't leak at all! THIS STUFF IS MAGIC!
      by
      Response from DAPProductExpertSep 9, 2020
      Thank you for posting your feedback. While we are happy to see your positive comments, we must note that DAP DYNAFLEX 230 is not designed, tested, labeled or recommended for use in submerged (below waterline) applications. As indicated on the product package label and supporting product literature: "Not for continuous underwater use...". Should you have any additional questions or require further assistance, please contact DAP’s Technical Customer Service Department at 888-327-8477. DAP
      • Verified Purchase
      • Recommended
      1 person found this helpful
      Clear version - Perfect for brick to wood trim!
      I recently stripped and scraped 50 years worth of old white caulk from the wood trim around my front door where the trim abuts to brick. After removing the old caulk, the contrast between the brick and dark newly-painted trim looked really good - but there was an air gap. Filling with white caulk would not have looked good, so I tried the clear variety of this product. The result was very satisfying. The photos show the result and what the trim to brick transition looked like "before". Note that the clear caulk goes on white, but after several days it turns clear as it cures. Don't forget to fill wider gaps with foam backer as the instructions suggest.
      by
        • Recommended
        4 people found this helpful
        I have used this on a number of different projects. I just got more of this today, I used it this...
        I have used this on a number of different projects. I just got more of this today, I used it this time to glue camouflage on a toy tank.
        by
        • Recommended
        2 people found this helpful
        I have used this product before. It works well and seals perfectly. Whenever, I install windows, ...
        I have used this product before. It works well and seals perfectly. Whenever, I install windows, Dynaflex 230 is my first purchase.
        by
        • Verified Purchase
        • Recommended
        2 people found this helpful
        100% Water proof unless you get it wet. DAP = "Don't Apply Period" It NEVER cured and now it's a...
        100% Water proof unless you get it wet. DAP = "Don't Apply Period" It NEVER cured and now it's all over a brand new $25,000 deck. Calling them was no help. All I can do now is scrape and scrub and hope I don't destroy the deck or the house. This stuff is JUNK!
        by
        Response from DAPProductExpertNov 9, 2018
        Thank you for posting your feedback. We're sorry to hear about your experience with DAP DYNAFLEX 230. Because you did not indicate the size of the joint, application surfaces, surface preparation, application technique or application conditions, it is difficult to provide a proper response. DYNAFLEX 230 is a water-based formula, as such, the sole drying mechanism is the evaporation of water. Dry time can be significantly impacted by cool or humid application conditions, moisture in the application surfaces or by thick (deep) applications of the sealant. When more challenging applications are present, DAP would recommend that you consider our line of fast cure sealants, such as DAP 3.0 Window, Door, Trim & Siding High Performance Sealant. The fast cure sealants will be surface dry and ready for paint in approximately 30 minutes, even in cooler and/or more humid application conditions. Should you require additional assistance, please contact DAP’s Technical Customer Service Department at 888-327-8477. DAP
          11 people found this helpful
          Very easy to work with. Easy clean up.
          Very easy to work with. Easy clean up.
          by
          • Verified Purchase
          • Recommended
          1 person found this helpful
          Great product
          Great product
          by
          • Verified Purchase
          • Recommended
          1 person found this helpful
          Showing 1-10 of 763 reviews