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Exterior Caulk

248 results

GE GE All Purpose Silicone 1
Color: Clear
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for pricing and availability

4.7
4383
Features:Waterproof
For Use on:Gutters, Roofing
Product Set Time:30-60 minutes
DAP DYNAFLEX 230 Window door Paintable Latex Caulk
Color: White
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for pricing and availability

4.6
1471
Features:Waterproof
Product Set Time:30-60 minutes
Clean-up Method:Soap and water
GE Supreme Silicone 10.1-oz Window and Door Clear Silicone Caulk
Color: Clear
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for pricing and availability

4.7
813
Features:Waterproof
For Use on:Gutters, Roofing
Product Set Time:30-60 minutes
Bestseller
GE GE Advanced Silicone 2 WD
Color: Clear
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for pricing and availability

4.7
4383
Features:Waterproof
For Use on:Gutters, Roofing
Product Set Time:30-60 minutes
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OSI OSI Quad Max W&D White
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for pricing and availability

4.5
586
Features:Waterproof
For Use on:Gutters, Roofing
Product Set Time:30-60 minutes
GE Advanced Silicone 10.1-oz Window and Door White Silicone Caulk
Color: White
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for pricing and availability

4.7
4379
Features:Waterproof
For Use on:Gutters, Roofing
Product Set Time:30-60 minutes
DAP Dynaflex Ultra Window door Paintable Latex Caulk
Color: White
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for pricing and availability

4.6
2688
Features:Waterproof
Product Set Time:30-60 minutes
Clean-up Method:Soap and water
GE Pro Seal Max 9-oz Window and Door Crystal Clear Paintable Advanced Sealant Caulk
Color: Crystal Clear
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for pricing and availability

4.5
141
Features:Waterproof
For Use on:Gutters, Roofing
Product Set Time:4-8 hours
GE Supreme Silicone 10.1-oz Window and Door Brown Silicone Caulk
Color: Brown
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for pricing and availability

4.7
802
Features:Waterproof
Product Set Time:4-8 hours
Clean-up Method:Soap and water
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
578
Features:Waterproof
Product Set Time:24-48 hours
Clean-up Method:Soap and water
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LOCTITE PL Roof Flashing 10-oz Exterior and Specialty Black Paintable Polyurethane Caulk
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for pricing and availability

4.7
385
Features:Waterproof
For Use on:Roofing
Product Set Time:24-48 hours
GE Supreme Silicone 10.1-oz Window and Door Gray Silicone Caulk
Color: Gray
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for pricing and availability

4.7
802
Features:Waterproof
Product Set Time:4-8 hours
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
344
Features:Waterproof
Product Set Time:4-8 hours
Clean-up Method:Soap and water
GE Supreme Silicone 2.8-oz Kitchen and Bath White Silicone Caulk
Color: White
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for pricing and availability

4.5
897
Features:Waterproof
Product Set Time:4-8 hours
Clean-up Method:Soap and water
GE Supreme Silicone 10.1-oz Kitchen and Bath Almond Silicone Caulk
Color: Almond
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for pricing and availability

4.6
848
Features:Waterproof
Product Set Time:4-8 hours
Clean-up Method:Soap and water
DAP Concrete 10.1-oz Exterior and Specialty Gray Paintable Latex Caulk
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for pricing and availability

4.4
666
Features:Waterproof
Product Set Time:30-60 minutes
Clean-up Method:Soap and water
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
437
Features:Waterproof
For Use on:Gutters, Roofing
Product Set Time:24-48 hours
OSI OSI Quad Sealant White
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for pricing and availability

4.2
1047
Features:Waterproof
For Use on:Gutters
Product Set Time:8-12 hours
OSI OSi Quad Max W&D Black
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for pricing and availability

4.7
201
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

4.6
289
Features:Fire Rated, Fire Resistant, Waterproof
For Use on:Gutters, Roofing
Product Set Time:12-24 hours
OSI OSI Quad Max W&D Beige
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for pricing and availability

4.7
169
Features:Waterproof
For Use on:Gutters
Product Set Time:30-60 minutes
OSI OSI Quad Max W&D Gray
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for pricing and availability

4.8
148
Features:Waterproof
For Use on:Gutters
Product Set Time:30-60 minutes
3M 5200 Marine Adhesive Sealant 3-oz Exterior and Specialty White Polyurethane Caulk
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for pricing and availability

4.5
58
Features:Waterproof
For Use on:Marine
Product Set Time:24-48 hours
OSI OSI Quad Sealant Clear
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for pricing and availability

4.2
1032
Features:Waterproof
For Use on:Gutters
Product Set Time:8-12 hours
Sherwin-Williams Color of the Month is Liveable Green, an inviting & cool neutral. Explore more now.

Related Products

Exterior Caulk Solutions For Long-Lasting, Weather-Resistant Home Protection

Exterior caulk helps seal gaps and joints around siding, windows and doors to keep out drafts and moisture. The right formula can reduce energy loss, support smoother paint jobs and extend the life of your exterior surfaces. Explore options, compare features and find the best fit for your project at Lowe’s.


Benefits of Exterior Caulking

  • Improved Weather Protection: Quality caulk for exterior surfaces helps block wind-driven rain and moisture that can lead to peeling paint or damaged trim.
  • Energy Efficiency Support: Sealing gaps around windows, doors and penetrations reduces drafts so your heating and cooling systems don’t have to work as hard.
  • Enhanced Curb Appeal: Fresh exterior caulking creates cleaner lines around siding and trim which can make repaints look smoother and more uniform.
  • Longer-Lasting Finishes: Properly sealed joints help protect underlying materials from repeated wetting and drying cycles that may cause cracking or warping over time.
  • Versatile Application: Many caulk for exterior projects adheres to common materials like wood, fiber cement, masonry and some metals so you can tackle multiple tasks with one product type.

Key Features of Exterior Caulk

  • Weather-Resistant Formulas: Look for exterior caulking that’s designed to handle sun exposure, temperature swings and precipitation without breaking down quickly.
  • Different Bases and Technologies: You’ll find acrylic latex, silicone, polyurethane and hybrid formulations so you can match performance to your climate and material needs.
  • Easy Application and Cleanup: Many acrylic-based products clean up with water before curing while some advanced formulas are designed for smooth gunning and tooling.
  • Varied Cure Times: Fast-skinning and quick-paint formulas help keep projects moving while standard cure products may offer extended working time for detailed jobs.
  • Specialty Uses: Certain exterior caulking is labeled for high-movement joints, masonry control joints or specific applications like gutters and flashing.

How to Choose Exterior Caulk

  • Define Your Project Area: Decide whether you’re sealing siding joints, window and door perimeters, masonry cracks or roof-related details since each may call for a different product type.
  • Match Caulk to Substrate: Check labels to confirm compatibility with materials like vinyl, wood, brick, stucco or fiber cement so the bond remains reliable.
  • Consider Movement and Joint Size: For wide or high-movement joints, look for caulk for exterior use that’s rated for greater expansion and contraction.
  • Decide on Paintability: If you’ll be painting, choose a paintable formula and follow recommended wait times before applying primer or topcoat.
  • Evaluate Climate Conditions: In very wet or sunny regions, prioritize exterior caulking with strong UV and water resistance to help maintain performance over time.
  • Check Application Temperature Range: Make sure the product can be applied in the temperatures you expect during your project window for proper curing.
  • Plan for Cleanup and Maintenance: Decide whether easy water cleanup or solvent resistance matters more for your workflow and how often you expect to re-caulk.
  • Estimate Quantity Needed: Measure linear footage of gaps and consult coverage information so you purchase enough tubes without significant leftover waste.

From sealing hairline cracks in masonry to closing gaps around trim and siding, exterior caulk plays an important role in protecting your home’s envelope. Use it to refresh aging joints before repainting or to tighten up new construction details. Explore a wide range of formulas and sizes to match your next project at Lowe’s.