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Synthetic rubber Caulk

7 results

Sashco Through the Roof 10.5-oz Exterior and Specialty Clear Paintable Synthetic rubber Caulk
Color: Clear
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for pricing and availability

4.6
429
Features:Waterproof
For Use on:Gutters, Roofing
Product Set Time:24-48 hours
Trex RainEscape Butyl Caulk 10.1-oz Exterior and Specialty Gray Synthetic rubber Self Leveling Caulk
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for pricing and availability

3.0
2
Features:Waterproof
For Use on:Gutters
Product Set Time:12-24 hours
DAP Acoustical Sealant 28.7-oz Multi-use Gray Synthetic rubber Caulk
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for pricing and availability

5.0
3
Product Set Time:15 minutes
Clean-up Method:Mineral spirits
Gorilla  Waterproof Patch and Seal Rubberized Sealant Spray  Crystal Clear 14 Ounce Pack of 2
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for pricing and availability

5.0
2
Features:Waterproof
For Use on:Gutters, Roofing
Sashco Through the Roof 6 -Pack 10.5-oz Exterior and Specialty Clear Paintable Synthetic rubber Caulk
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for pricing and availability

Features:Waterproof
For Use on:Gutters, Roofing
Product Set Time:24-48 hours
Gorilla  Waterproof Patch and Seal Rubberized Sealant Spray - 14 Ounce Pack of 6 - Crystal Clear Seals Water and Air
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for pricing and availability

Features:Waterproof
For Use on:Gutters, Roofing
DAP Seal 'N Peal 10-oz Window and Door Clear Synthetic rubber Caulk
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for pricing and availability

4.3
62
Features:Waterproof
Product Set Time:1-4 hours
Clean-up Method:Soap and water
Sherwin Williams Color of the Month for June. Sundew. Create a serene bedroom and more. Explore more now.

Related Products

Shop Caulk to Seal Gaps and Support Long-Lasting Home Repairs


Caulk helps seal gaps and joints around surfaces to prevent moisture, air and debris from entering your home. Whether working in kitchens, bathrooms or exterior areas, choosing the right caulk supports durable sealing and clean finishes. Explore our selection at Lowe’s to find the right option for your project.


Benefits of Caulk

  • Effective Gap Sealing: Caulk helps fill small openings around fixtures, trim and other surfaces to create a tight seal against moisture and air.
  • Suitability for Multiple Rooms: Specialized products such as bathroom caulk are designed to help manage moisture around tubs, sinks and showers.
  • Flexible Joint Protection: Silicone caulk provides flexibility that allows sealed joints to expand and contract with temperature changes.
  • Smooth Finishing: Grout caulk helps maintain a clean, finished appearance where tile surfaces meet walls or countertops.
  • Color Matching: Products like gray caulk allow you to coordinate sealant color with surrounding tile grout or trim.


Key Features of Caulk

  • Moisture-Resistant Formulas: Options such as silicone caulk help create durable seals in areas exposed to water or humidity.
  • Textured Joint Filling: Sanded caulk is designed to blend with grout lines and textured tile surfaces for consistent appearance.
  • High-Temperature Protection: Fire-rated caulk helps seal penetrations around pipes, wiring and other areas where fire resistance may be required.
  • Tile and Surface Compatibility: Grout caulk is formulated to adhere to tile, ceramic and other common bathroom or kitchen surfaces.


Caulk provides a reliable way of sealing joints and gaps anywhere, from bathrooms and kitchens to the exterior areas of your home. Whether selecting waterproof bathroom sealants, flexible silicone formulas or color-matched grout caulk, these products help maintain durable seals and clean finishes. Pair your project with tools such as caulking guns or other sealants available at Lowe’s to complete your repair or installation.