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Dap 18425 Alex Fast Dry Acrylic Latex Caulk Plus Silicone 10.1-Ounce

TLDR Review: Dap Alex Fast Dry Caulk

Item: Dap Alex Fast Dry Caulk
Author: ShopSavvy

By ShopSavvy Team

Published: September 20th, 2025

Pros

•Effectively seals to prevent water and moisture intrusion, addressing issues like drafts and leaks.
•Smooth, easy application allows for precise lines and a professional finish.
•Dries quickly, giving a strong and flexible seal.
•Paintable feature is ideal for toucps and making aesthetic improvements to window insulation.
•The product comes with a 4ear warranty, indicating potential long-term durability.

Cons

•Some users reported drying and cracking within 24 hours under ideal conditions.
•Issues with curing led to the caulk remaining soft and running out of applied areas.
•Paintability claims may be misleading, as it does not dry within the stated time.
•Persistent stickiness after drying, problematic for certain applications like on carpet padding.
•The caulk's thinner consistency means a typical 1/nch bead is wasteful; a pinhole approach is recommended.
•Smoothing with a wet finger was not effective in creating a durable seal.

Bottom Line

The Dap 18425 Alex Fast Dry Acrylic Latex Caulk Plus Silicone offers easy application and flexibility with a quick dry time and paintable finish. It's effective for sealing and preventing moisture and drafts, though some users have raised concerns about its durability and curing. If persistent tackiness and unreliable drying times are a dealbreaker, you might want to explore alternative sealant products for critical areas.

Lowest at Amazon

$6.10 at Amazon

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$3.30 at CleanItSupply