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ALEX Latex Caulk Review: Paintable, Waterproof Seal for Home Repairs

10.1OZ LATEX CAULK-WHITE
4.7
[Quick Paintability]  Paintable after 2 hours for fast project completion.
[Waterproof Protection]  Seals joints with reliable waterproofing for lasting protection.
[Easy Cleanup]  Easy water cleanup and low-odor formula for user-friendly application.
[Mold & Mildew Resistant]  Cured caulk resists mold and mildew for durable, sanitary seals.
[ASTM C834 Performance]  Meets ASTM C834 for extrudability, weathering, extension recovery, and slump.
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Home improvement sealant that cures quickly and keeps joints watertight. Quieter, low-odour application and fast paint-ready time reduce disruption when redecorating or repairing. Is ALEX Latex Caulk a reliable go-to for routine sealing and decorating jobs?

⚡ At a Glance
  • Seal Performance: Waterproof formulation with mould & mildew resistance for damp-prone areas
  • Best for: DIYers and tradespeople sealing interior and exterior gaps before painting
  • Not ideal for: Applications that require solvent-based or specialist industrial sealants

Latex-based, 10.1oz white cartridge, paintable in two hours and suitable for interior and exterior use. Meets ASTM C834 and is VOC compliant with low odour and water clean-up.


Quick Repainting – Thanks to Paintable in Two Hours

Surface becomes paint-ready after two hours of cure, so decorators can return the same day. The fast overpaint time suits standard emulsion and gloss paints.

Allows same-day painting and shorter project schedules, useful for overnight touch-ups and rapid redecorations.

Reliable Moisture Protection – With a Waterproof, Mould-Resistant Formula

Cures to a waterproof seal and resists mould and mildew growth after curing, providing durable protection where moisture is present. Suitable for typical wet-room and kitchen joints.

Keeps sealed joints drier and helps prevent mould issues, ideal for bathrooms, kitchens and exterior gaps.

Cleaner, Lower-Odour Application – With Water Clean-up and Low Odour

Latex base enables tool and spill clean-up with water, while formulation controls volatile components to reduce odour during use. VOC compliance supports indoor application.

Safer and less intrusive for indoor jobs, making short tasks quicker and more comfortable for occupants.

✨ The 4 Key Reasons for ALEX Latex Caulk
  1. Fast paint-ready time - Enables decorating the same day, reducing overall project downtime
  2. Easy water clean-up - Allows tools to be cleaned with water, no solvents needed
  3. Low odour formula - Minimises smell during application for indoor comfort and occupant convenience
  4. ASTM C834 compliant - Meets recognised standards for extrudability and weathering performance
📋 Technical Details at a Glance
  • Category: Home Improvement
  • Brand: ALEX
  • Product ID: B00009V3UZ
  • Material: Latex
  • Volume: 10.1 oz
❓ Frequently Asked Questions

Q: Can this be painted over quickly?

A: Yes, paintable in two hours, allowing decorating to proceed the same day after application.

Q: Is it suitable for wet areas like bathrooms and kitchens?

A: Yes, waterproof formulation and mould and mildew resistance make it suitable for joints in wet-prone areas.

Q: How is clean-up handled after use?

A: Clean-up is with water thanks to the latex base, and the low odour formulation reduces smell during application.

🏆 Our Verdict

Perfect for DIYers and tradespeople who need a paintable, waterproof seal that is easy to apply. Fast overpaint time, water clean-up and mould resistance make it especially useful for bathrooms, kitchens and exterior touch-ups. Practical, compliant and low-odour, it delivers dependable protection and convenience for routine sealing tasks.