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DAP Alex Fast Dry Acrylic Latex Caulk Plus Silicone is specifically formulated to meet the demanding needs of Professional Painters and deliver outstanding paint finish results. It can be brush painted in 20 minutes after application or spray painted immediately, so the job gets finished faster. Durable, flexible, white caulk won’t crack or discolor paint and doesn’t pick up dirt. It has outstanding adhesion to a wide variety of surfaces and provides a 100% waterproof seal. It applies smoothly and easily. Cured caulk is mold and mildew resistant. Exceeds ASTM Specification C834. Interior/exterior use.

Paintable white caulk is paint ready in 20 minutes with brush or immediately with spray paint
Top applications include baseboards, crown molding, interior door casings and interior wood trim
Helps finish projects faster, caulking is paint ready in 20 minutes with brush or immediately with spray paint
Acrylic latex caulk with silicone works for interior and exterior paint projects
Works on many surfaces including wood, plaster, drywall, covers 30 linear feet at a 3/16" bead size
White caulk won't shine through or discolor paint, is low in odor and has easy water clean-up
100% waterproof painters caulk is mold and mildew resistant when cured
Fully cures in 24 hours

General
Clean-up Method	Soap and water	Paintable	Yes
Caulk Gun Needed	No	Unit of Measure	Fluid ounce(s)
Water Ready Time	Greater than 24 Hours	Unit of Measure Quantity	5.5
Paint Ready Time	20 minutes or less	Product Set Time	30-60 minutes
Package Quantity	1	Series Name	ALEX Fast Dry
Type	Latex	Color/Finish Family	White
Use Location	Interior	Manufacturer Color/Finish	White
Container Type	Tube	Project Type	Paint & trim
Fire Rated	No

Dimensions
Container Size	5.5-oz	Maximum Coverage Area (Sq. Feet)	55

Features
Sandable	No	Fire Resistant	No
Waterproof	Yes	Mold Resistant	Yes
Mildew Resistant	Yes	Dry to Touch	15 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	No	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	No
For Use on Metal	No	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

Check out the Best Selling Caulk on Lowes.com

Review

4.7 out of 5

3020 Reviews

94% Recommend this product

Ratings may include incentivized customer reviews.

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What Customers Are Saying

Customers overwhelmingly praise this caulk for its fast drying time, allowing painting within hours, and smooth, paintable finish that adheres without bleeding. Most highlight easy application without requiring a caulking gun and simple cleanup, making it ideal for DIY projects on windows, baseboards, and trim. Many report using it for years as their trusted go-to product for interior sealing. A small number mention occasional cracking after application, though this remains rare compared to widespread satisfaction with reliability and consistent performance.

Customer review summary generated by AI, including incentivized reviews.

3020 Customer Reviews

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Caulk

Would Recommend

It's caulk. It worked.

September 30, 2026
From ALEX Fast Dry 10.1-oz White Paintable Latex Caulk Verified Purchaser

Was this Review Helpful ?

great product

Would Recommend

Parts needed for my nephews new house. Lowe's always has what I need.

newhouse2026September 30, 2026
From ALEX Fast Dry 10.1-oz White Paintable Latex Caulk Verified Purchaser

Was this Review Helpful ?

User Friendly

Would Recommend

This product is easy to use and is quick drying ready to paint!

Joe BSeptember 30, 2026
From ALEX Fast Dry 10.1-oz White Paintable Latex Caulk Verified Purchaser

Was this Review Helpful ?

Awesome product

Perfect

Auntie41September 30, 2026
From ALEX Fast Dry 10.1-oz White Paintable Latex Caulk Verified Purchaser

Was this Review Helpful ?

Works as it should

Would Recommend

Not the first time I bought it. Definitely won't be the last!

StjokatSeptember 30, 2026
From ALEX Fast Dry 10.1-oz White Paintable Latex Caulk Verified Purchaser

Was this Review Helpful ?

Easy squeeze tube

Would Recommend

SkipSeptember 30, 2026
Verified Purchaser

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COMPARE PRODUCTS

		Name	Current Item DAPALEX Fast Dry 5.5-oz Paint and Trim White Paintable Latex Caulk
		Ratings	3020
		Waterproof
		Type	Latex
		Paintable
DAPDYNAFLEX 230 5.5-oz Window and Door Clear Paintable Latex Caulk	DAPKWIK SEAL 5.5-oz Kitchen and Bath White Paintable Latex Caulk	DAPALEX Flex 10.1-oz Paint and Trim White Paintable Latex Caulk	DAPALEX Flex 5.5-oz Paint and Trim White Paintable Latex Caulk	DAPDynaflex Ultra 5.5-oz Window and Door White Paintable Latex Caulk	GESupreme Silicone 2.8-oz Window and Door Clear Silicone Caulk	DAPDynaflex Ultra 10.1-oz Window and Door White Paintable Latex Caulk	GESupreme Silicone 2.8-oz Kitchen and Bath White Silicone Caulk	DAPALEX Plus 2.8-oz Paint and Trim White Paintable Latex Caulk
1610	979	1381	1374	2969	411	2969	1080	86

Latex	Latex	Latex	Latex	Latex	Silicone	Latex	Silicone	Latex

FEATURED PRODUCTS

Caulk is a useful tool to seal out moisture, drafts and pests. Discover helpful caulking tips with this how-to article.

A man applying caulk to a white exterior door frame.

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DAP ALEX Fast Dry 5.5-oz Paint and Trim White Paintable Latex Caulk

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