Stanley S421 RTV Silicone Caulk, 2x10.1 fl. oz. Gray, Silicone Sealant, Waterproof and Flexible Sealer for Kitchen & Bathroom (Pack of 2)

• 𝗪𝗔𝗧𝗘𝗥𝗣𝗥𝗢𝗢𝗙 𝗦𝗘𝗔𝗟𝗜𝗡𝗚: RTV 100% silicone caulk is excellent for creating a waterproof seal in various applications, such as around bathtubs, showers, sinks, and windows.
• 𝗗𝗨𝗥𝗔𝗕𝗜𝗟𝗜𝗧𝗬: It has long-lasting durability, resisting deterioration from extreme temperatures and weather conditions. This makes it a reliable choice for both indoor and outdoor.
• 𝗩𝗘𝗥𝗦𝗔𝗧𝗜𝗟𝗘 𝗔𝗣𝗣𝗟𝗜𝗖𝗔𝗧𝗜𝗢𝗡: RTV silicone sealant is suitable for a range of home improvement tasks, such as sealing around windows and doors, DIY projects, as well as applications in bathrooms, kitchens, and plumbing.
• 𝗘𝗫𝗖𝗘𝗟𝗟𝗘𝗡𝗧 𝗔𝗗𝗛𝗘𝗥𝗘𝗡𝗖𝗘: Featuring its formulation, this caulk provides robust adhesion and is suitable for application on typical non-porous construction materials such as glass, porcelain, and steel. Additionally, the fast-drying bathroom caulk effectively withstands aging, cracking, and discoloration.
• 𝗖𝗥𝗔𝗖𝗞-𝗙𝗥𝗘𝗘 𝗙𝗟𝗘𝗫𝗜𝗕𝗜𝗟𝗜𝗧𝗬: The silicone sealant we offer exhibits resilience and flexibility, ensuring its adaptability in a range of temperatures. Whether applied in low or high conditions, this cartridge, compatible with a caulking gun, retains its flexibility.
• 𝗘𝗔𝗦𝗬 𝗔𝗣𝗣𝗟𝗜𝗖𝗔𝗧𝗜𝗢𝗡: Silicone caulk is typically easy to apply, by using a caulk gun, making it accessible for both DIYers and professionals. Cleanup is also simple with water and soap before the caulk cures. It is Non-Paintable.

Return Policy
We accept returns on most items within 30 days of purchase. However, the following items are NOT eligible for return:

• Built-to-order or custom-made products (e.g., Rolair Air Compressors)
• Gas-powered equipment (e.g., Generators, Power Washers, Chainsaws)
• Pneumatic tools (e.g., Nail Guns, Paint Sprayers)
• Ladders, scaffolding, or climbing equipment
• Fall protection equipment (e.g., Lanyards, Harnesses)
• Batteries
• Used consumables or accessories (e.g., Sandpaper, Saw Blades)
• Guide rails longer than 95 inches
• Cast iron equipment (e.g., Table Saws, Drum Sanders)
• Clothing (all sales are final)

For more details on eligible items and our full return instructions, please click here to view our complete policy.

We’re dedicated to offering you the best price on high-quality products from trusted sources. If you find the exact same item from an authorized seller at a lower price—including all shipping, handling, taxes, and any additional fees—we’re happy to match it.

To request a price match, simply contact our Customer Support team with the following details:

• Your order number and purchase date
• The product identifier or model number
• A link to the competitor’s advertisement showing the lower price

Once we verify the details, we will issue a credit (if applicable) within two business days.

Terms & Conditions:

• The competitor must be an authorized retail dealer.
• The product must be identical, in stock, and available with the same features and warranty.
• This offer does not apply to auction sites, clearance events, special promotions, misprints, or limited-time offers.
• Price match requests must be made within 30 days of your purchase.
• Refunds will be processed in the original form of payment.
• Certain items, such as heavy equipment, may be excluded.

We stand by our commitment to bring you the best deal possible!