

DAP Dynaflex Ultra 10.1 oz Light Gray Window, Door, and Siding Sealant
Key item features
- Advanced Weather Protection: Formulated with Weather Max Technology, this sealant provides durable, all-weather protection for exterior windows, doors, siding, and trim, resisting UV fading, chalking, crumbling, cracking, and dirt buildup.
- Waterproof Seal: The proprietary synthetic latex formula creates a 100% waterproof and weatherproof seal, ensuring resistance to mold, mildew, and algae on the cured caulk surface.
- Versatile Adhesion: Bonds effectively to various indoor and outdoor building materials, including wood, MDF, PVC, and composite trimboard, meeting ASTM Specification C920, Class 36.
- Efficient Application: Dries to a tack-free finish in 30 minutes and is ready for paint and rain in just 1 hour, offering better productivity with effortless gunning and smooth tooling.
- Clean Appearance: The light gray sealant fills joints up to 1 inch wide, creating a tough hydrophobic surface that prevents water absorption and resists dirt buildup, maintaining a clean look.
- Low Odor Cleanup: This proprietary synthetic latex sealant is low in odor and can be easily cleaned up with water, making application and post-project tidying convenient.
Specs
- Caulk typeLatex
- ColorLight Gray
- Rec locationOutdoor
- BrandDAP
- FeaturesWaterproof, Low Odor, Durable
- Caulk container typeCartridge
Reviews summary
- : Application is quick and easy with this.
- : Allows for simple cleaning after use.
- : Forms reliable seal in various weather conditions.
- : Has a strong hold and retains color.
- : Dries quickly, often within minutes or hours.
- : Forms a tight seal in cracks without shrinking.
- Free shipping
Free 30-day returns
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About this item
Product details
- Dynaflex Ultra, enhanced with Weather Max Technology, delivers durable, all-weather protection, making it the perfect exterior sealant for windows, doors, siding and trim
- All purpose sealant made with a proprietary synthetic latex formula forms a 100% waterproof and weatherproof seal
- Bonds effectively to a variety of indoor or outdoor building materials, including wood, MDF, PVC, and composite trimboard; complies with ASTM Specification C920, Class 36
- 100% waterproof and weatherproof seal ensures resistance to mold, mildew and algae on the cured caulk surface
- Dries to a tack free finish in 30 minutes and is ready for paint and rain in just 1 hour
- Light gray sealant fills joints up to 1" wide and creates a tough hydrophobic surface that prevents water absorption and resists dirt buildup, maintaining a clean appearance
- Proprietary synthetic latex sealant is low in odor and can be easily cleaned up with water
- 10.1 oz selling unit
Specifications
Caulk type
Color
Rec location
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Compare with similar items
| Product | Viewing this itemDAP Dynaflex Ultra 10.1 oz Light Gray Window, Door, and Siding Sealant ![]() $12.94 current price $12.94574.5 out of 5 Stars. 57 reviews | Homoyoyo Silicone Water Retaining p for Window Grey Self-Adhesive Caulk Tape ![]() $9.99 current price $9.99 | DAP 08656 Commercial 9.8 oz. White Caulk ![]() $18.82 current price $18.82 | Self-Adhesive Kitchen Sink Bathroom Corner Caulking Sealant Tape 2Pc Brown ![]() $5.19 current price $5.19 | Tineasur Caulk Saver Cover Sealer Sealing Cap Red Latex 20pcs ![]() $11.74 current price $11.74 | Tineasur Leakproof Red Caulk Saver Covers, Durable Rubber, Easy to Use, 30Pcs ![]() $7.49 current price $7.49 |
|---|
| Caulk type | LatexDAP Dynaflex Ultra 10.1 oz Light Gray Window, Door, and Siding Sealant | BathroomHomoyoyo Silicone Water Retaining p for Window Grey Self-Adhesive Caulk Tape | SiliconeDAP 08656 Commercial 9.8 oz. White Caulk | -Self-Adhesive Kitchen Sink Bathroom Corner Caulking Sealant Tape 2Pc Brown | LatexTineasur Caulk Saver Cover Sealer Sealing Cap Red Latex 20pcs | LatexTineasur Leakproof Red Caulk Saver Covers, Durable Rubber, Easy to Use, 30Pcs |
|---|---|---|---|---|---|---|
| Color | Light GrayDAP Dynaflex Ultra 10.1 oz Light Gray Window, Door, and Siding Sealant | GrayHomoyoyo Silicone Water Retaining p for Window Grey Self-Adhesive Caulk Tape | WhiteDAP 08656 Commercial 9.8 oz. White Caulk | BrownSelf-Adhesive Kitchen Sink Bathroom Corner Caulking Sealant Tape 2Pc Brown | RedTineasur Caulk Saver Cover Sealer Sealing Cap Red Latex 20pcs | RedTineasur Leakproof Red Caulk Saver Covers, Durable Rubber, Easy to Use, 30Pcs |
| Rec location | OutdoorDAP Dynaflex Ultra 10.1 oz Light Gray Window, Door, and Siding Sealant | IndoorHomoyoyo Silicone Water Retaining p for Window Grey Self-Adhesive Caulk Tape | IndoorDAP 08656 Commercial 9.8 oz. White Caulk | IndoorSelf-Adhesive Kitchen Sink Bathroom Corner Caulking Sealant Tape 2Pc Brown | -Tineasur Caulk Saver Cover Sealer Sealing Cap Red Latex 20pcs | -Tineasur Leakproof Red Caulk Saver Covers, Durable Rubber, Easy to Use, 30Pcs |
| Features | WaterproofDAP Dynaflex Ultra 10.1 oz Light Gray Window, Door, and Siding Sealant | -Homoyoyo Silicone Water Retaining p for Window Grey Self-Adhesive Caulk Tape | WaterproofDAP 08656 Commercial 9.8 oz. White Caulk | WaterproofSelf-Adhesive Kitchen Sink Bathroom Corner Caulking Sealant Tape 2Pc Brown | -Tineasur Caulk Saver Cover Sealer Sealing Cap Red Latex 20pcs | DurableTineasur Leakproof Red Caulk Saver Covers, Durable Rubber, Easy to Use, 30Pcs |
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Customer ratings & reviews
Reviews summary
- : Application is quick and easy with this.
- : Allows for simple cleaning after use.
- : Forms reliable seal in various weather conditions.
- : Has a strong hold and retains color.
- : Dries quickly, often within minutes or hours.
- : Forms a tight seal in cracks without shrinking.
Customer images
Showing 1-3 of 55 reviews
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.
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.
Happy with results
[This review was collected as part of a promotion.] I have to replace the seal on my home seams and corners very often living in a very hot climate over 100 degrees for months during summer. The Dap was easy to use and worked as I would like it to, cleaning up was easy as well. Time will tell as to the length of time it will last, I hope it has a longer life than previous products I have used. I received this product as a sample and write a review.





















