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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

General
Clean-up Method	Soap and water	Paintable	Yes
Caulk Gun Needed	Yes	Unit of Measure	Fluid ounce(s)
Water Ready Time	Greater than 24 hours	Unit of Measure Quantity	10.1
Paint Ready Time	2-3 hours	Product Set Time	30-60 minutes
Package Quantity	1	Series Name	DYNAFLEX 230
Type	Latex	Color/Finish Family	White
Use Location	Exterior	Manufacturer Color/Finish	White
Container Type	Cartridge	Project Type	Window & door
Fire Rated	No

Dimensions
Container Size	10.1-oz	Maximum Coverage Area (Sq. Feet)	55

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

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

Warranty
Warranty	Limited lifetime

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

Miscellaneous
UNSPSC	31201600

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Review

4.6 out of 5

1557 Reviews

93% Recommend this product

Ratings may include incentivized customer reviews.

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+ 34

What Customers Are Saying

Customers overwhelmingly praise this caulk for reliable sealing, ease of application, and long-lasting durability. Most highlight its effectiveness on windows, doors, and gaps, noting it fills large cracks, adheres strongly, and withstands weather changes. Reviewers consistently commend the smooth application, quick clean-up with soap and water, and workable consistency that prevents premature drying. Many report years of repeat purchases, reflecting strong brand loyalty. A few mention longer-than-expected curing times or stickiness during application, but these concerns are minimal. Overall, customers consider this a trusted, go-to solution for everyday sealing needs.

Customer review summary generated by AI, including incentivized reviews.

1557 Customer Reviews

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Just what I needed

Would Recommend

As described, applies well

JoelSeptember 6, 2026
Verified Purchaser

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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
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
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
Verified Purchaser

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Great caulk

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

September 4, 2026
Verified Purchaser

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77 Questions

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COMPARE PRODUCTS

		Name	Current Item DAPDYNAFLEX 230 10.1-oz Window and Door White Paintable Latex Caulk
		Ratings	1557
		Waterproof
		Type	Latex
		Paintable
DAPKWIK SEAL 5.5-oz Kitchen and Bath White Paintable Latex Caulk	DAPDynaflex Ultra 10.1-oz Window and Door White Paintable Latex Caulk	GEAll Purpose Silicone 10.1-oz Window and Door Clear Silicone Caulk	OSIQUAD MAX 9.5-oz Window and Door White Paintable Advanced Sealant Caulk	SashcoBig Stretch 10.5-oz Exterior and Specialty White Paintable Latex Caulk	DAPDynaflex Ultra 10.1-oz Window and Door Beige Paintable Latex Caulk	GEAdvanced Silicone 10.1-oz Window and Door Clear Silicone Caulk	GETub and Tile Silicone 10.1-oz Kitchen and Bath White Silicone Caulk	DAPDynaflex Ultra 10.1-oz Window and Door Clear Paintable Latex Caulk
948	2822	4509	613	596	2822	4510	1660	2822

Latex	Latex	Silicone	Advanced Sealant	Latex	Latex	Silicone	Silicone	Latex

FEATURED PRODUCTS

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A man applying caulk to a white exterior door frame.

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DAP DYNAFLEX 230 10.1-oz Window and Door White Paintable Latex Caulk

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