--- product_id: 663064905 title: "100E RTV Gray Silicone Caulk (2x10.1 fl.oz.) - 100% Waterproof Silicone Sealant for Kitchen and Bathroom, Shower, Bathtub, Toilet, Sink, Window and Door, No Discoloring | Grey, 2 Pack" brand: "akfix" price: "$47.06" currency: USD in_stock: true reviews_count: 8 category: "Akfix" url: https://www.desertcart.us/products/663064905-100e-rtv-gray-silicone-caulk-2x10-1-fl-oz-100 store_origin: US region: United States of America --- # Cures Fully in 24 Hours 100% Waterproof Sealant Strong Adhesion on Non-Porous Surfaces 100E RTV Gray Silicone Caulk (2x10.1 fl.oz.) - 100% Waterproof Silicone Sealant for Kitchen and Bathroom, Shower, Bathtub, Toilet, Sink, Window and Door, No Discoloring | Grey, 2 Pack **Brand:** akfix **Price:** $47.06 **Availability:** βœ… In Stock ## Summary > πŸ”§ Seal Smart, Live Leak-Free β€” The Pro’s Choice for Invisible Strength! ## Quick Answers - **What is this?** 100E RTV Gray Silicone Caulk (2x10.1 fl.oz.) - 100% Waterproof Silicone Sealant for Kitchen and Bathroom, Shower, Bathtub, Toilet, Sink, Window and Door, No Discoloring | Grey, 2 Pack by akfix - **How much does it cost?** $47.06 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/663064905-100e-rtv-gray-silicone-caulk-2x10-1-fl-oz-100) ## Best For - akfix enthusiasts ## Why This Product - Trusted akfix brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - β€’ **Pro-Grade Adhesion:** Bonds strongly to glass, porcelain, steel, and more without cracking or discoloring. - β€’ **Fast & Flexible Cure:** Initial hardening in 5 minutes, fully cures in 24 hours, staying permanently elastic. - β€’ **DIY-Ready Application:** Smooth flow and easy tooling make sealing windows, doors, and sinks a breeze. - β€’ **Ultimate Waterproof Defense:** Seals kitchen & bathroom gaps with 100% waterproof silicone for lasting protection. - β€’ **Versatile Surface Compatibility:** Perfect for multiple surfacesβ€”windows, tubs, showersβ€”excluding sensitive metals. ## Overview Akfix 100E RTV Gray Silicone Caulk is a professional-grade, 100% waterproof sealant designed for kitchen and bathroom use. It offers fast initial curing in 5 minutes and full cure in 24 hours, maintaining permanent elasticity and strong adhesion on non-porous surfaces like glass, porcelain, and steel. This grey silicone caulk resists aging, cracking, and discoloration, making it ideal for sealing gaps around windows, doors, sinks, showers, and bathtubs. Sold in a convenient 2-pack of 10.1 fl.oz. tubes, it’s the trusted choice for durable, clean, and flexible sealing solutions. ## Description Akfix 100E RTV Gray Silicone Caulk (2x10.1 fl.oz.) - 100% Waterproof Silicone Sealant for Kitchen and Bathroom, Shower, Bathtub, Toilet, Sink, Window and Door, No Discoloring | Grey, 2 Pack: desertcart.com: Industrial & Scientific Review: Professional, durable finish - This caulk is the unsung hero of rodent defense. PI used Akfix 100E RTV Gray Silicone Caulk to seal up the last remaining mouse-sized loopholes, and it did exactly what I needed it to do. It flows smoothly, adheres well, and cures into a tough, flexible seal that says, β€œThis gap is permanently closed.” It’s perfect for those awkward cracks and seams where steel mesh ends or where foam alone just isn’t enough. Once cured, it looks clean, stays put, and gives peace of mind. Combined with proper gap prep, this stuff turns β€œmaybe they can get in” into β€œabsolutely not.” If you’re serious about mouse-proofing and want a professional, durable finish, this silicone caulk gets the job done without fuss. Review: Good product!!! - I like the workability and quality ## Features - π—¨π—‘π—œπ—©π—˜π—₯π—¦π—”π—Ÿ π—¦π—œπ—Ÿπ—œπ—–π—’π—‘π—˜ All purpose RTV Silicone gap filler is terrific for bonds general-purpose in your bathroom and kitchen. - π—£π—˜π—₯π— π—”π—‘π—˜π—‘π—§π—Ÿπ—¬ π—˜π—Ÿπ—”π—¦π—§π—œπ—– If you have multiple projects and are looking for a waterproof silicone caulk that does stay permanently flexible after curing, try our white silicone sealant. - π—˜π—”π—¦π—¬ π——π—œπ—¬ π—”π—£π—£π—Ÿπ—œπ—–π—”π—§π—œπ—’π—‘ For DIY applications such as sealing gaps or cracks around windows, door frames, baseboards, and walls, a caulk 100E Universal Silicone is a smart choice. - 𝗦𝗧π—₯π—’π—‘π—š π—”π——π—›π—˜π—¦π—œπ—’π—‘ It provides strong adhesion and is suitable for use on common non-porous building materials. This easy-to-use white silicone sealer is resistant to ageing, cracking and discolouring. - 𝗠𝗔𝗑𝗬 π—”π—£π—£π—Ÿπ—œπ—–π—”π—•π—Ÿπ—˜ 𝗦𝗨π—₯π—™π—”π—–π—˜ Our fast-curing silicone mastic joint sealants is as a gap filler used on door, window, glass, porcelain, steel and other construction materials. Because of acidic curing, it must not be used on mirrors and sensitive metals like copper, brazen, or lead. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0DDKLM69H | | Best Sellers Rank | #3,837 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #10 in Silicone Adhesives | | Brand Name | Akfix | | Color | Grey | | Customer Reviews | 4.3 4.3 out of 5 stars (479) | | Full Cure Time | 24 Hours | | Initial Hardening Time | 5 Minutes | | Item Form | Liquid | | Item Weight | 10.1 Ounces | | Liquid Volume | 10.1 Fluid Ounces | | Manufacturer | Akfix | | Material Type | Silicone | | Maximum Gap Fill | 0.25 Inches | | Surface Recommendation | Window | | Unit Count | 2.0 Count | | Water Resistance Level | Waterproof | ## Product Details - **Brand:** Akfix - **Color:** Grey - **Full Cure Time:** 24 Hours - **Item Weight:** 10.1 Ounces - **Liquid Volume:** 10.1 Fluid Ounces ## Images ![100E RTV Gray Silicone Caulk (2x10.1 fl.oz.) - 100% Waterproof Silicone Sealant for Kitchen and Bathroom, Shower, Bathtub, Toilet, Sink, Window and Door, No Discoloring | Grey, 2 Pack - Image 1](https://m.media-amazon.com/images/I/71iNtVLOUVL.jpg) ## Available Options This product comes in different **Color, Size** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Professional, durable finish *by @***S on December 23, 2025* This caulk is the unsung hero of rodent defense. PI used Akfix 100E RTV Gray Silicone Caulk to seal up the last remaining mouse-sized loopholes, and it did exactly what I needed it to do. It flows smoothly, adheres well, and cures into a tough, flexible seal that says, β€œThis gap is permanently closed.” It’s perfect for those awkward cracks and seams where steel mesh ends or where foam alone just isn’t enough. Once cured, it looks clean, stays put, and gives peace of mind. Combined with proper gap prep, this stuff turns β€œmaybe they can get in” into β€œabsolutely not.” If you’re serious about mouse-proofing and want a professional, durable finish, this silicone caulk gets the job done without fuss. ### ⭐⭐⭐⭐⭐ Good product!!! *by D***D on March 1, 2026* I like the workability and quality ### ⭐⭐⭐⭐⭐ Just what I wanted *by A***N on March 18, 2026* Very easy to use and great color. --- ## Why Shop on Desertcart? - πŸ›’ **Trusted by 1.3+ Million Shoppers** β€” Serving international shoppers since 2016 - 🌍 **Shop Globally** β€” Access 737+ million products across 21 categories - πŸ’° **No Hidden Fees** β€” All customs, duties, and taxes included in the price - πŸ”„ **15-Day Free Returns** β€” Hassle-free returns (30 days for PRO members) - πŸ”’ **Secure Payments** β€” Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** β€” Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.us/products/663064905-100e-rtv-gray-silicone-caulk-2x10-1-fl-oz-100](https://www.desertcart.us/products/663064905-100e-rtv-gray-silicone-caulk-2x10-1-fl-oz-100) --- *Product available on Desertcart United States of America* *Store origin: US* *Last updated: 2026-05-12*