Search  for anything...

WELLUCK Silicone Sealant Caulk, 100% Waterproof Caulking Silicone Flexible Sealant Cartridge, Adhesive Sealant for General Use, Window, Door, Glass, RV, Automotive Leak Sealing(White, 16oz, 4-Pack)

  • Based on 69 reviews
Condition: New
Checking for product changes

Buy Now, Pay Later


As low as $7 / mo
  • – 4-month term
  • – No impact on credit
  • – Instant approval decision
  • – Secure and straightforward checkout

Ready to go? Add this product to your cart and select a plan during checkout. Payment plans are offered through our trusted finance partners Klarna, PayTomorrow, Affirm, Afterpay, Apple Pay, and PayPal. No-credit-needed leasing options through Acima may also be available at checkout.

Learn more about financing & leasing here.

Free shipping on this product

Eligible for Return, Refund or Replacement within 30 days of receipt

To qualify for a full refund, items must be returned in their original, unused condition. If an item is returned in a used, damaged, or materially different state, you may be granted a partial refund.

To initiate a return, please visit our Returns Center.

View our full returns policy here.


Availability: In Stock.
Fulfilled by Amazon

Arrives Wednesday, Dec 25
Order within 13 hours and 47 minutes
Available payment plans shown during checkout

Features

  • Industrial Grade: The Weatherproof white silicone sealant provides maximum water, leak, drip, UV, extreme heat and crush resistance for indoor and outdoor environments on most surfaces including metal, granite, stone, wood and glass protect.
  • Protects for up to 15 Years: This white silicone caulk sealing adhesive is lab tested to provide protection against stains, corrosion, and other damage and stains from weather, leaks, drips, and heat. Excellent materials allow for an extremely long functional lifespan.
  • Easy to Apply & Eco-friendly Technology: WELLUCK waterproof silicone caulk cartridge is packaged in an autoclavable cartridge with an anti-clog nozzle for easy, smooth application. WELLUCK sealant adopts eco-friendly technology, low odor and low VOC, which makes it safe, non-toxic and non-irritating for you and your family, pets.
  • High Elasticity & Cures Quickly: WELLLUCK silicone sealant waterproof case dries, sets and cures in 30 minutes, ready to be exposed to extreme heat or heavy rain. Hybrid technology can be applied in almost any weather conditions (+40F to +104F). After curing can withstand strong vibrations and extreme temperature(-122F to +322F) fluctuations.
  • Not Shrink and Crack: With excellent adhesion, maximum flexibility, and superior resistance to shear stress, our waterproof white silicone caulk will not shrink or crack despite constant exposure to freezing temperatures, hot sun's UV rays, or constant rain dripping. This will make it Resists aging and weathering, and will not be yellow.

Color: White


Brand: WELLUCK


Item Weight: 16 Ounces


Liquid Volume: 10.1


Full Cure Time: 24 Hours


Package Dimensions ‏ : ‎ 9.72 x 4.29 x 4.17 inches; 1 Pounds


Date First Available ‏ : ‎ May 31, 2023


Manufacturer ‏ : ‎ FYT


Country of Origin ‏ : ‎ China


Best Sellers Rank: #24,702 in Industrial & Scientific (See Top 100 in Industrial & Scientific) #90 in Silicone Adhesives


#90 in Silicone Adhesives:


Customer Reviews: 4.2 4.2 out of 5 stars 69 ratings


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Wednesday, Dec 25

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

  • Klarna Financing
  • Affirm Pay in 4
  • Affirm Financing
  • Afterpay Financing
  • PayTomorrow Financing
  • Financing through Apple Pay
Leasing options through Acima may also be available during checkout.

Learn more about financing & leasing here.

Top Amazon Reviews


  • Calk sealant without a Tip and still works
I like the fact that you can use interchangeable tips for different jobs. I have 3 different tips with different sizes for small to big jobs, using same tube.
Reviewed in the United States on June 18, 2024 by JGE

  • Works great!
I filled the seams of a flimsy awning I bought and it is holding strong. Great stuff!
Reviewed in the United States on May 21, 2024 by Ronald Farris

  • Strong
Good pricing
Reviewed in the United States on April 21, 2024 by Liliana Urquia

  • Great product! Poor container.
The product works as it should. But the container is a bit difficult to open but love the product would def buy again.
Reviewed in the United States on June 5, 2024 by Savannah Williams

  • awesome
great stuff
Reviewed in the United States on May 13, 2024 by Harold Congdon

  • Great product
Easy to apply and dries to a rubber type feel, rained a few hours after use and it did well no water seepage. I will buy again if needed for sure, price and quality are top notch!
Reviewed in the United States on March 22, 2024 by Dale Freeze

  • It does what it is supposed to do
For sealing off leaks in my boat
Reviewed in the United States on January 10, 2024 by Sandy always hangs up. Every one I bought does the same thing

  • Beware! Not paintable
The caulk is NOT paintable. No where in the description does it tell us that
Reviewed in the United States on May 20, 2024 by Dale

Can't find a product?

Find it on Amazon first, then paste the link below.