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🛁 Top Picks for Bathroom Caulking

🔝 Best Overall & Waterproof

  • Selleys Wet Area Silicone – Excellent choice for baths and showers with high humidity. Silicone is fully waterproof and flexible — ideal where constant moisture is present. Silicone caulk like this is typically mold- and mildew-resistant and stays flexible over time.

  • Joobond Silicone Sealant – Another premium silicone sealant with great adhesion and durability, perfect for sealing tub-to-wall and tile joints without cracking.

🧼 Great Mold-Resistant & Budget Options

  • Selleys No Mould Silicone Sealant Tube – A solid, budget-friendly silicone caulk that resists mold and mildew — good for regular maintenance caulking.

  • SASHCO CleanSeal Kitchen & Bath Caulk – Kitchen/bath caulk with enzyme tech aimed at reducing mildew. Easy to apply and cleans up with water, though it has more mixed reviews.

💡 DIY & Utility Choices

  • Siroflex Contractor Caulk – A basic caulk for simple sealing jobs; works okay around tubs but may not be as durable or moisture-resistant as silicone.

  • Magic Tub & Wall Peel & Caulk Strip – A peel-and-stick alternative to caulk. Easier to install but less effective long-term than real sealants.


🧠 What to Look for in Bath Caulk

Type matters:

  • 100% Silicone – Best for constant water exposure (showers, tubs) because it’s fully waterproof and flexible with strong mold resistance.

  • Siliconized Acrylic – Easier to apply and paintable, but not as durable or moisture-proof as pure silicone — okay for trims or areas that aren’t constantly wet.

  • Latex/Utility Options – Budget or general use, but will usually last less time in wet conditions.

Application tips:

  • Remove old caulk thoroughly.

  • Ensure surfaces are clean and dry before applying.

  • Tool the bead (smooth it with a finger or tool) soon after application for a professional finish.

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