DAP DYNAFLEX ULTRA 7079818221 Advanced Exterior Sealant, Cedar Tan, 10.1 oz Cartridge
DAP DYNAFLEX ULTRA 7079818221 Advanced Exterior Sealant, Cedar Tan, 10.1 oz Cartridge
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DAP DYNAFLEX ULTRA 7079818221 Advanced Exterior Sealant, Cedar Tan, 10.1 oz Cartridge

4.6 stars out of 57 reviews
(4.6)|
57 ratings
DAP DYNAFLEX ULTRA 7079818221 Advanced Exterior Sealant, Cedar Tan, 10.1 oz CartridgeDAP DYNAFLEX ULTRA 7079818221 Advanced Exterior Sealant Cedar Tan 10 1 oz CartridgeDAP Dynaflex Ultra Beige Advanced Latex Door Siding Window Sealant 10 1 ozDAP Dynaflex Ultra Black Advanced Latex Waterproof Sealant 10 1 ozDap 7079818215 Exteror Sealant Iron Gray 10 1 Oz
Actual Color:Cedar Tan-Out of stock

Key item features

  • Weather Max Technology: Formulated with Weather Max technology for an ultra-weatherproof seal.
  • Flexible Sealant: Stays flexible to endure expansion and contraction caused by sun, heat, cold wind, and rain.
  • Multi-Surface Adhesion: Provides strong adhesion on multiple surfaces without cracking, chalking, or crumbling.
  • Dirt and Dust Resistant: Resists dirt and dust build-up, maintaining a clean appearance.
  • UV Protection: Features powerful UV protection to prevent color fading and yellowing.
  • Quick Drying: Ready for rain and paint in just 1 hour, enhancing productivity.
  • Mold and Mildew Resistant: Lifetime resistance to mold, mildew, and algae.
  • Product Specifications: Color: Cedar Tan, Capacity: 10.1 oz, Weight: 0.946 lbs, Country of Origin: USA.
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Current price is $11.17
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4.6 out of 5 stars
stars57 ratings55 reviews
How item rating is calculated
  1. 5 stars81% (46)
  2. 4 stars11% (6)
  3. 3 stars4% (2)
  4. 2 stars2% (1)
  5. 1 star4% (2)

Reviews summary

Pros
  • : Process is quick and easy.
  • : Allows for simple cleanup after use.
  • : Works well for sealing and insulating them.
  • : Forms a seal in cracks without shrinking.
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Showing 1-3 of 55 reviews

Sep 1, 2019
Bill
5 out of 5 stars review

Performs exactly how it's marketed to.

I'm replacing the south facing windows in my house and needed some caulk to seal them with. I had replaced the north facing windows years ago and used Alex Plus caulk, which while easy to apply and cleanup didn't hold up in the long run. It cracked and shrunk. Dynaflex Ultra goes on just as easy and is also easy to cleanup, but unlike silicone can be painted and also remains flexible after curing unlike the Alex Plus. I live in Colorado and this stuff has been applied to south facing windows so it's going to get tested to the extreme. We have temperature swings that can approach 100F on south facing surfaces all winter long, and extreme low humidity (1% was registered on my weather station twice) in the summer. If it holds up here it will work anywhere but only time will tell. That being said I'm impressed enough that I'm sitting here writing a review on caulk so that should tell you something! I'll try and return with an update after 6-12 months to see how it holds up this winter.

Review from DAP.com
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Dec 18, 2020
Stewart
5 out of 5 stars review

Verified Purchase

Good value by the case

Ordered to arrive in time for a scheduled renovation project. Good value for the price.

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Dec 28, 2017
American Gothic
5 out of 5 stars review

DAP Dynaflex ULTRA great for weatherization projects

[This review was collected as part of a promotion.] Currently we're experiencing well below zero temperatures and I'm very happy with the way Dap's Dynaflex Ultra has worked to seal those tiny cracks preventing moisture and air infiltration. It's been keeping our home warmer this winter and protecting the exterior wood around the windows and doors from the melting and freezing cycle where little drips get into the smallest places and damage the wood. It works well in lower temperatures - it was around 40 degrees when I applied it earlier this month and it's holding up well to rain, snow, sleet and wind. While I did try this as a free sample through Viewpoints, I have since purchased several more tubes at our local hardware outlet and will continue to buy this product because it gets the job done - and done well.

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