Caulk for bathtub is essential for ensuring a watertight seal that prevents leaks and mold growth. In 2025, the market offers a variety of high-quality caulks specifically designed for bathroom use, providing durability and flexibility to withstand moisture. From silicone-based options that offer excellent adhesion to acrylic latex varieties that are easy to apply and clean, choosing the right caulk can make a significant difference in the longevity and appearance of your bathtub. Whether you're a DIY enthusiast or a professional, selecting the best caulk for your bathtub project is crucial for achieving a flawless finish.
GE Advanced Silicone Caulk for Kitchen & Bathroom - 100% Waterproof Silicone Sealant, 5X Stronger Adhesion, Shrink & Crack Proof - 2.8 fl oz Tube, White, 1 Pack
- 100% Waterproof: This 100% silicone formula offers ultimate protection against water damage, providing a reliable seal in areas prone to consistent water exposure
- Strong and Flexible: Stays permanently flexible with a high-performing, durable seal
- 30-Minute Water-Ready: Ready for water exposure in as little as 30 minutes
- Shrink- and Crack-Proof: Withstands extreme expansion and contraction associated with temperature fluctuations
- Compatible with Most Materials: Adheres to most metals, plastics, and woods; glass, drywall, plaster, granite, cultured marble, ceramic and porcelain tile, and more
$7.78
Gorilla Waterproof Caulk & Seal Silicone Sealant, 10oz Cartridge (Pack of 1) - White Caulking Sealant for Kitchen, Window, Bath, Marine, Door and More
- Speed meets strength: Caulk & Seal's silicone caulk is ready for water exposure in as little as 30 minutes
- All-purpose: Gorilla caulk works wherever the work is; Indoor and out, rain or shine after fully cured
- Waterproof sealant: This white caulk seals out air, water, and moisture with 100% silicone as cured
- Gorilla tough: This white silicone caulk is not only mold & mildew resistant, it won't yellow, shrink or crack over time
$9.44
GE Advanced Silicone Caulk for Kitchen & Bathroom - 100% Waterproof Silicone Sealant, 5X Stronger Adhesion, Shrink & Crack Proof - 10 oz Cartridge, White, Pack of 1
- Strong and Flexible: Stays permanently flexible with a high-performing, durable seal
- 30-Minute Water-Ready: Ready for water exposure in as little as 30 minutes
- Shrink- and Crack-Proof: Withstands extreme expansion and contraction associated with temperature fluctuations
$10.77
Dap Products 8889 Tub and Tile Caulk
- High quality construction
- Package Dimensions: 3.0" L x 5.0" W x 1.0" H
- Package Weight: 0.6 lbs.
- Great Value
$7.25
MOLD ARMOR 100% Silicone Mold Free Caulk & Sealant (White), 5.5 Oz.
- MOLD ARMOR 100% Mold Free Caulk & Sealant (White) is a durable mold and mildew-free silicone.
- Flexible, crack-proof formula with excellent adhesion and a white finish.
- Use to fill cracks and gaps on hard interior surfaces such as glass, granite, marble, wood, ceramic, metal, aluminum, fiberglass, and painted surfaces.
- This 100% silicone, mildew-resistant formula works for the shower, tub, kitchen and countertop.
- A ready-to-use sealant that’s waterproof in 30 minutes – it won't yellow, shrink or crack.
$7.33
Gorilla Waterproof Caulk & Seal Silicone Sealant, 2.8oz Squeeze Tube (Pack of 2) - White Caulking Sealant for Kitchen, Window, Bath, Marine, Door and More
- Waterproof sealant: This white caulk seals out air, water, and moisture with 100% silicone as cured
- Speed meets strength: Caulk & Seal's silicone caulk is ready for water exposure in as little as 30 minutes
- All-purpose: Gorilla caulk works wherever the work is; Indoor and out, rain or shine after fully cured
- Gorilla tough: This white silicone caulk is not only mold & mildew resistant, it won't yellow, shrink or crack over time
- Use on: Our sealant is perfect for windows, doors, stainless steel, fixtures, countertops, laminate, porcelain, sink, shower, tub/tile, granite, ceramic, gaps & cracks, painted surfaces, wood, vinyl, metal, aluminum, trim/siding, cables, glass, drywall, stone, marble, gutters, plumbing, and more
$12.68
SALE
−$1.71
DAP INC 18152 10.1oz White Alex Plus Acrylic Latex Caulk with Silicone
- Sold as 1 Each.
- Paint ready in only 30 minutes to finish the job faster..
- Excellent flexibility and adhesion for a crack proof seal.
- Easy to apply and tool, low in odor and cleans up easily with water..
- Cured caulk. Exceeds ASTM Specification C834. Interior or Exterior use.. 10.1 fl oz, White.
$2.28
Flex Caulk, Waterproof & Weatherproof Hybrid Polymer Sealant, Strong, Paintable, Indoor, Outdoor, Bath, Shower, Sink, Window, Baseboards, Door, RV, Roof, Wood, Auto & Marine, White, 9 oz, 1-Pack
- So easy to use.
- No caulk gun needed.
- Adjustable Trigger Flow Nozzle.
- Advanced hybrid polymer formulation.
- Snap & Save cap eliminates waste.
$19.87
Fixmend Caulk Tape, 3 Roll Self Adhesive Caulk Strip Waterproof, Caulking Sealant Tape for Kitchen, Countertop, Bathroom, Sink, Shower, Bathtub, Toilet Edge Protector with Sealing Tool (1.5" x 10.5Ft)
- Material - The caulk strip is made of high-quality PVC material, waterproof, with better adhesion.
- Wide Application - The self adhesive sealing tape widely used for sealing the seams of gas stove, sink, basin, bathtub and walls. keep your kitchen and bathroom clean and tidy.
- Easy to use - Before installing, please clean the area and keep it dry. Peel off the sealant plastic film on the surface of the adhesive and use a hair dryer heat the caulk strip to increase its viscosity, then press firmly and smooth it with a sealing tool.
- Linear design - The shape of the caulk strip is specially designed for family scenes, providing a comfortable feeling with a smooth and beautiful surface.
- Size - White Sealant Tape, Each roll Length: 3.2m/126 inch. Width: 38mm/1.5 inch.
$9.99
SALE
−$2.28
18152 Dap Caulk, 10.1 oz, White
Last update on 2025-06-01 / Affiliate links / Images from Amazon Product Advertising API