WELLUCK Black Silicone Caulk, 100% Waterproof Silicone Sealant Adhesive Caulking,for RV, Kitchen,Bathroom, Window, Door, Glass,10.2FL.OZ/300ML（1 Pack）


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  • 【WATERTIGHT SEALING】WELLUCK black sealant silicone provides the ultimate waterproof seal seam protection against water leaks, odors, UV rays, extreme heat and pressure. 100% waterproof on indoor, outdoor and underwater surfaces. Widely applicable to most surfaces such as metal, tile, ceramic, stone, wood, glass, concrete and more.
  • 【FORMULATED TO LAST】Our black caulk offers reinforced pressure resistance for RV, Indoor windows and doors, automotive repair，shower and tub caulk protection; rated to safeguard against high heat, corrosion, leaks and acids for 15 years; resist black spots, stains .
  • 【NO CLUMPY TEXTURE】 With a clog-free thermoplastic nozzle, our black caulking waterproof flows with just the right viscosity- not runny nor clumpy. This window sealant caulk is 100% waterproof Silicone with no fillers.（Cut the main opening of the bottle, install the clog-free nozzle, then bevel the nozzle opening, push and squeeze out the silicone sealant from the tail and it can be used.）
  • 【ZERO-SHRINKING】WELLUCK windows silicone caulk features excellent adhesion and maintains long-lasting flexibility; Won't shrink or crack even when constantly exposured to extreme weather (-40°F to +104°F), including cold, heat, UV, or constant raindrops.
  • 【Quick Setting & Curing】Caulking sealant surface dries in 30 minutes, sets up firmly and fully cures in 48 hours; NOTE: The time required for the caulk surface to dry & cure will vary depending on application environment（A dry construction environment of 75°F is most suitable).Our bathtub caulk is safe and delivers smooth, uniform sealing，no chemical smell.Please use it as soon as possible within 3 days after opening.
  • TIP：When the product is filled, some overflowing and dry traces may be left after being squeezed. This is normal filling residue, please don't care.

Blakc Silicone Sealant Caulk, 100% Waterproof

  • We offer FREE shipping on all orders!
  • Under normal circumstances, we try to ship all orders within three business days of payment, normally sooner.
  • We use a selection of shipping services such as TBA, UPS, FedEx, USPS, etc
  • We only ship to the lower 48 states, we do not ship to Alaska/Hawaii, US Protectorates, Puerto Rico, and PO Boxes.
  • Local pickups and combined shipping options are not available at this time.


  • Although we strive for 100% order fulfillment accuracy, mistakes happen. Please allow us the opportunity to correct any error before leaving us negative feedback.
  • We are confident in our products, but if you are not fully satisfied with your order, don't hesitate to get in touch with us within 30 days of purchase, and we will send you a return label. Once the item is returned we will issue you a full refund.
  • The product must be returned in the original item's box, and in the same condition as you received it.




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Customer satisfaction is our number one priority.
If you have any problems with your order, don't hesitate to get in touch with us and we will do our best to meet your needs.





If you have any questions, please don't hesitate to contact us. Please allow us 24 hours to respond, although normally we respond sooner.



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