DAP 18377 3.0 Crystal Clear Premium Gutter and Flashing Sealant, 9 oz, Crystal Clear

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DAP 18377 3.0 Crystal Clear Premium Gutter and Flashing Sealant, 9 oz, Crystal Clear
DAP 18377 3.0 Crystal Clear Premium Gutter and Flashing Sealant, 9 oz, Crystal Clear
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DAP 18377 3.0 Crystal Clear Premium Gutter and Flashing Sealant, 9 oz, Crystal Clear

2 stars out of 3 reviews
(2.0)|
3 ratings

Key item features

  • Product Form: This sealant is provided in a 9 oz. cartridge for convenient application.
  • Application Scope: Designed exclusively for exterior use, ensuring suitability for outdoor projects.
  • Environmental Compliance: The sealant is VOC compliant and features a low odor for user comfort.
  • Performance Standards: Meets ASTM C920 Type S, Grade NS, Class 25 specifications for reliable performance.
  • Versatile Application: Can be applied effectively to both wet and dry surfaces, even in extreme temperatures ranging from 20-degrees to 120-degrees Fahrenheit.
  • Aesthetic Integration: Its crystal clear color allows for seamless blending with various building material substrates.
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2 out of 5 stars
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Showing 1-3 of 3 reviews

Sep 22, 2019
CoDog
4 out of 5 stars review

Time will tell

After following the instructions exactly, I found that this product does not adhere well to new galvanized surfaces. After sanding or etching the surface, though, I found that the adhesion was quite good. I believe that the TDS should be updated to show that removing the protective surface on smooth galvanized metal will improve adhesion.

Review from DAP.com
Helpful?4FFJP2EY6DYO179925341
Dec 16, 2018
hwydave
1 out of 5 stars review

Disintegrated less than 1 year

I would give this product a 0 star if I can, that is how upset I am with this sealant. I bought this sealant to fix the flashing on the roof beam about the middle of December 2017. After the several rain storm in early December 2018, I went up to the roof to check the condition of the roof. To my surprise the area where I apply the sealant had crumbled into chuck (looks like the dry river bed crack, if you can imaging how that look). Of course the water seeped through the flashing. This sealant is suppose for exterior use and it failed miserably. I have used DAP for house repair in the past, but now I am looking at different brand.

Review from DAP.com
Helpful?4FFJP2EY6DYO179925341
reply from dappwr

Thank you for posting your feedback, we're sorry to hear about your experience with DAP 3.0 Crystal Clear Premium Gutter and Flashing Sealant. At your convenience, please contact DAP's Technical Customer Service Department at 888-327-8477 so that we can obtain some additional information from you about your experience.

Nov 24, 2018
Sticky Fingers
1 out of 5 stars review

Too thick to effectually use

Bought this tube in Spring 2018 but only now (Nov. 2018) using it to fix leaks in the heavy duty gutters for the screen room. First of all it was so thick that it was very difficult to squeeze from the tube - I cut the tip larger than what I thought needed and went back and punctured the nozzle 'seal' several times to open it up further. Secondly, again it was so thick - possibly dried out in the 6 months since purchase, but hope it had a shelf life of longer than that - that it was extremely difficult to stick to the gutter (heavy duty aluminum) even when I spread it with my finger (stuck to my finger really well!). I have used gutter sealant (I'm not sure if it was DAP or another brand) in the past but I certainly do not recall it being this difficult to extract from the tube nor spread. Either this was a bad batch (possibly lot #11726323:53 printed on the tube) or if it has a short shelf life, or I guess this is the natural consistency of this DAP product; I don't know.

Review from DAP.com
Helpful?4FFJP2EY6DYO179925341
reply from dappwr

Thank you for posting your feedback, we're sorry to hear about your experience with DAP 3.0 Crystal Clear Premium Gutter and Flashing Sealant. Based on your description of the difficulty encountered while attempting to apply the product and confirmed by the code date that you provided, the product that you purchased is beyond shelf life. At your convenience, please contact DAP's Technical Customer Service Department at 888-327-8477 so that we can obtain some additional information from you and so that we can arrange to provide you with replacement product.