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DAP Dynaflex 230 is a premium elastomeric latex sealant with silicone-like toughness. This DAP sealant combines outstanding durability, adhesion and flexibility with easy tooling, paintability, low odor and water clean-up. It is highly flexible to handle joint movement caused by variations in temperature and humidity without cracking making it an excellent choice for outdoor use. Provides a long-lasting, durable seal that is 100% waterproof and weatherproof. Ideal for caulking and sealing air leaks around windows, doors, siding, trim and baseboards to improve the energy efficiency of a home and reduce utility costs. Cured sealant is mold and mildew resistant. Meets ASTM Specification C920, Class 25. VOC compliant. Interior/exterior use. DAP caulk and sealants provide durable performance for a variety of projects.

DAP Dynaflex 230 sealant is Silicone tough with superior flexibility; use for windows, doors, siding, trim, baseboards and more
Highly flexible, white sealant seals joints up to 2" wide and performs like silicone, handles joint movement without cracking
Premium elastomeric latex paintable sealant that creates a 100% waterproof sealant that provides a weatherproof seal
Adheres to a wide range of building materials indoors or outdoors, such as wood, MDF, PVC, polystyrene, and composite trimboard
Meets ASTM Specification C920, Class 25 and covers 55 linear feet at a 3/16" bead size
Premium elastomeric latex sealant is low in odor and cleans up with water
Cured sealant is mold and mildew resistant, keeping the caulk looking clean and fresh
Fully cures in 24 hours

Prop 65 Warning(s)

General
Color/Finish Family	Brown	Product Set Time	30-60 minutes
Manufacturer Color/Finish	Brown	Paintable	Yes
Series Name	DYNAFLEX 230	Container Type	Cartridge
Type	Latex	Clean-up Method	Soap and water
Package Quantity	12	Fire Rated	No
Use Location	Exterior	Caulk Gun Needed	Yes
Unit of Measure Quantity	10.1	Paint Ready Time	2-3 hours
Unit of Measure	Ounce(s)	Water Ready Time	Greater than 24 hours
Project Type	Window & door

Dimensions
Container Size	10.1-oz

Features
Dry to Touch	30 minutes	Sanded/Unsanded	Unsanded
Fire Resistant	No	Self Leveling	No
Mildew Resistant	Yes	Stain Resistant	No
Mold Resistant	Yes	Waterproof	Yes
Sandable	No

Certifications
CA Residents: Prop 65 Warning(s)	Prop 65 Warning(S)	ASTM Certified	Yes

Warranty
Warranty	Limited lifetime

Compatibility
For Use in Bathrooms	No	For Use on Vinyl	Yes
For Use in Kitchens	No	For Use on Masonry	Yes
For Use on Plastic	Yes	For Use on Doors	Yes
For Use on Stone	Yes	For Use on Tile	No
For Use on Metal	Yes	For Use on Siding	Yes
For Use on Wood	Yes	For Use on Windows	Yes
For Use on Concrete	Yes	For Use on Gutters	No
For Use on Drywall	Yes	For Use on Roofing	No
For Use on Glass	Yes	For Use on Trim/Moulding	Yes
For Use on Fiberglass	No	For Use on Marine	No

Miscellaneous
UNSPSC	31201600

Check out the Best Selling Caulk on Lowes.com

Review

4.6 out of 5

1356 Reviews

92% Recommend this product

Ratings may include incentivized customer reviews.

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+ 17

What Customers Are Saying

Customers overwhelmingly praise this latex caulk for smooth application, water-based cleanup, and quick drying. Most highlight its strong sealing ability, waterproof properties, and durable, flexible bond that withstands weather changes. Many note it dries clear while starting white, enabling precise application. Reviewers emphasize reliable performance on windows, trim, siding, and outdoor surfaces like decks and gutters. Several express strong loyalty, calling it their first choice. A few report minor issues like packaging confusion or consistency concerns, but these represent isolated cases. Overall, customers consider this a premium, affordable product they will continue using.

Customer review summary generated by AI, including incentivized reviews.

1356 Customer Reviews

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Great all around product!

I used this for a decorative panel wall. It worked great, easy to use and is paintable. Great product!

KyleSeptember 6, 2026
From DYNAFLEX 230 10.1-oz Window and Door White Paintable Latex Caulk Verified Purchaser

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Great stuff

Would Recommend

I pick up one or two every now and then. To me -the best hauling. I use it on a lot of things around the house

Only meSeptember 5, 2026
From DYNAFLEX 230 10.1-oz Window and Door White Paintable Latex Caulk Verified Purchaser

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Paintability

I bought this product to seal some wainscoting panels and trim that I applied on my living room walls. I purchased this caulk specifically for its paintability. It does what it promises.

Counselor2024September 4, 2026
From DYNAFLEX 230 10.1-oz Window and Door White Paintable Latex Caulk Verified Purchaser

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Great caulk

High quality caulking. It is not the thin stuff other brand sell.

September 4, 2026
From DYNAFLEX 230 10.1-oz Window and Door White Paintable Latex Caulk Verified Purchaser

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My Go-To Caulk

Would Recommend

I have used Dap caulks for decades and would buy nothing else. Dynaflex and Alex are both dependable and perform predictably, so I buy nothing else.

JRCollinsSeptember 4, 2026
From DYNAFLEX 230 12 -Pack 10.1-oz Window and Door Almond Paintable Latex Caulk Verified Purchaser

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Great product

Good product at a good price

Dav264September 3, 2026
From DYNAFLEX 230 10.1-oz Window and Door White Paintable Latex Caulk Verified Purchaser

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65 Questions

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COMPARE PRODUCTS

		Name	Current Item DAPDYNAFLEX 230 12 -Pack 10.1-oz Window and Door Brown Paintable Latex Caulk
		Ratings	1335
		Waterproof
		Type	Latex
		Paintable
DAPDYNAFLEX 230 Pro 12 -Pack 10.1-oz Window and Door Brown 104 Paintable Latex Caulk	DAPSilicone Max 12 -Pack 10.1-oz Window and Door Brown Silicone Caulk	DAPDYNAFLEX 230 Pro 12 -Pack 10.1-oz Window and Door White 099 Paintable Latex Caulk	DAPExtreme Stretch 12 -Pack 10.1-oz Exterior and Specialty Tan Paintable Acrylic Urethane Elastomeric Sealant Caulk	DAPExtreme Stretch 12 -Pack 10.1-oz Exterior and Specialty Woodtone Paintable Acrylic Urethane Elastomeric Sealant Caulk	DAPExtreme Stretch 12 -Pack 10.1-oz Exterior and Specialty Dark Brown Paintable Acrylic Urethane Elastomeric Sealant Caulk	DAPExtreme Stretch 12 -Pack 10.1-oz Exterior and Specialty Slate Gray Paintable Acrylic Urethane Elastomeric Sealant Caulk	DAPExtreme Stretch 12 -Pack 10.1-oz Exterior and Specialty Redwood Paintable Acrylic Urethane Elastomeric Sealant Caulk	DAPExtreme Stretch 12 -Pack 10.1-oz Exterior and Specialty Black Paintable Acrylic Urethane Elastomeric Sealant Caulk
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A man applying caulk to a white exterior door frame.

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DAP DYNAFLEX 230 12 -Pack 10.1-oz Window and Door Brown Paintable Latex Caulk

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