Prices, Promotions, styles, and availability may vary. Our local stores do not honor online pricing. Prices and availability of products and services are subject to change without notice. Errors will be corrected where discovered, and Lowe's reserves the right to revoke any stated offer and to correct any errors, inaccuracies or omissions including after an order has been submitted.

Window Caulk

526 results

DAP ALEX Plus 10.1-oz Paint trim Paintable Latex Caulk
Color: White
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for pricing and availability

4.6
1787
Features:Waterproof
Product Set Time:30-60 minutes
Clean-up Method:Soap and water
DAP ALEX Fast Dry Paint trim White Paintable Latex Caulk
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for pricing and availability

4.7
2688
Features:Waterproof
Product Set Time:30-60 minutes
Clean-up Method:Soap and water
GE All Purpose Silicone 10.1-oz Window and Door Clear Silicone Caulk
Color: Clear
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for pricing and availability

4.7
4283
Features:Waterproof
For Use on:Gutters, Roofing
Product Set Time:30-60 minutes
GE Supreme Silicone 2.8-oz Kitchen and Bath Clear Silicone Caulk
Color: Clear
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for pricing and availability

4.5
820
Features:Waterproof
Product Set Time:4-8 hours
Clean-up Method:Soap and water
DAP DYNAFLEX 230 Window door Paintable Latex Caulk
Color: White
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for pricing and availability

4.6
1411
Features:Waterproof
Product Set Time:30-60 minutes
Clean-up Method:Soap and water
Bestseller
GE Advanced Silicone 10.1-oz Window and Door Clear Silicone Caulk
Color: Clear
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for pricing and availability

4.7
4288
Features:Waterproof
For Use on:Gutters, Roofing
Product Set Time:30-60 minutes
DAP ALEX Flex Paint trim Paintable Latex Caulk
Color: White
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for pricing and availability

4.7
1162
Features:Waterproof
Product Set Time:30-60 minutes
Clean-up Method:Soap and water
DAP Dynaflex Ultra Window door Paintable Latex Caulk
Color: White
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for pricing and availability

4.6
2602
Features:Waterproof
Product Set Time:30-60 minutes
Clean-up Method:Soap and water
GE Supreme Silicone 2.8-oz Window and Door Clear Silicone Caulk
Color: Clear
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for pricing and availability

4.7
312
Features:Waterproof
Product Set Time:4-8 hours
Clean-up Method:Soap and water
OSI QUAD MAX 9.5-oz Window and Door White Paintable Advanced Sealant Caulk
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for pricing and availability

4.5
565
Features:Waterproof
For Use on:Gutters, Roofing
Product Set Time:30-60 minutes
MAPEI Mapesil T Plus 10.1-oz Tile and Grout Warm Gray #5093 Silicone Caulk
Color: Warm Gray
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for pricing and availability

4.2
1140
Features:Waterproof
Product Set Time:12-24 hours
Clean-up Method:Soap and water
Sashco 12 Kitchen bath Paintable Solvent Caulk
Color: Clear
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for pricing and availability

4.6
1450
Features:Waterproof
For Use on:Gutters, Roofing
Product Set Time:24-48 hours
DAP Alex Painter's 10.1-oz Paint trim White Paintable Latex Caulk
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for pricing and availability

4.7
650
Features:Waterproof
Product Set Time:30-60 minutes
Clean-up Method:Soap and water
White Lightning 3006 Advanced Formula 10-oz Paint and Trim White Paintable Latex Caulk
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for pricing and availability

4.6
467
Features:Waterproof
Product Set Time:24-48 hours
Clean-up Method:Soap and water
Trending Now
Sashco Big Stretch 10.5-oz Exterior and Specialty White Paintable Latex Caulk
Color: White
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for pricing and availability

4.7
564
Features:Waterproof
Product Set Time:24-48 hours
Clean-up Method:Soap and water
Trending Now
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
GE Supreme Silicone 10.1-oz Window and Door Clear Silicone Caulk
Color: Clear
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for pricing and availability

4.7
789
Features:Waterproof
For Use on:Gutters, Roofing
Product Set Time:30-60 minutes
LOCTITE PL Roof Flashing 10-oz Exterior and Specialty Black Paintable Polyurethane Caulk
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for pricing and availability

4.7
376
Features:Waterproof
For Use on:Roofing
Product Set Time:24-48 hours
GE Supreme Silicone 10.1-oz Kitchen and Bath Almond Silicone Caulk
Color: Almond
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for pricing and availability

4.6
822
Features:Waterproof
Product Set Time:4-8 hours
Clean-up Method:Soap and water
OSI QUAD 10-oz Window and Door White 001 Paintable Solvent Caulk
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for pricing and availability

4.2
1019
Features:Waterproof
For Use on:Gutters
Product Set Time:8-12 hours
OSI QUAD MAX 9-oz Window and Door Clear 000 Paintable Advanced Sealant Caulk
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for pricing and availability

4.5
565
Features:Waterproof
For Use on:Gutters
Product Set Time:30-60 minutes
GE Advanced Metal Silicone 10.1-oz Exterior and Specialty Metallic Gray Silicone Caulk
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for pricing and availability

4.7
248
Features:Waterproof
For Use on:Gutters, Roofing
Product Set Time:30-60 minutes
Sika NP1 10.1-oz Exterior and Specialty Black Paintable Advanced Sealant Caulk
Color: Black
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for pricing and availability

4.5
276
Features:Fire Rated, Fire Resistant, Waterproof
For Use on:Gutters, Roofing
Product Set Time:12-24 hours
OSI QUAD MAX 9.5-oz Window and Door Black 003 Paintable Advanced Sealant Caulk
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for pricing and availability

4.7
196
Features:Waterproof
For Use on:Gutters, Roofing
Product Set Time:30-60 minutes
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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.