# Dark Gray Tile Grout — Waterproof Bathroom & Kitchen Floor Gap Repair Sealer (100g Kit) ## Professional-Grade Grout Repair in a Sophisticated Dark Gray Discolored, cracked, or missing grout can make even premium tiles look tired and neglected. The **Dark Gray Tile Grout Repair Sealer** from EX-STOCK delivers a sleek, modern finish that complements contemporary tile designs — from charcoal porcelain to slate-look ceramics. This 100g kit includes a precision scraper for clean, professional-quality results without the expense of hiring a contractor. The rich dark gray tone is perfect for modern interiors where light grout would clash with the design aesthetic. It bonds firmly to tile surfaces, resists daily moisture, and prevents mildew growth in even the most humid environments. Explore our full range of [home décor and accessories](/collections/home-decors-and-accessories) for more repair solutions. ![Dark gray tile grout repair sealer 100g kit with scraper](https://cdn.shopify.com/s/files/1/0715/8595/6114/files/73701abe-58fd-4fdd-9f92-52585ccbca86.jpg?v=1784196562) ## Key Features - **Sophisticated Dark Gray Finish:** Matches modern charcoal, slate, and dark-toned tile grout lines for a seamless, contemporary repair - **Waterproof & Moisture-Resistant:** Forms a durable, water-tight seal that prevents water infiltration behind tiles - **Mildew-Proof Formula:** Resists mold and mildew growth in humid bathroom and kitchen environments - **Includes Precision Scraper:** Kit comes with a dedicated scraper tool for clean, even application - **Strong Adhesion:** Bonds firmly to ceramic, porcelain, stone, and slate tile surfaces - **Quick-Drying:** Surface dry in 2–4 hours, fully cures in 24 hours - **Aesthetically Pleasing:** The dark gray tone hides dirt and stains better than light-colored grout, making it ideal for high-traffic floors ![Dark gray tile grout applied between bathroom floor tiles](https://cdn.shopify.com/s/files/1/0715/8595/6114/files/c6359a01-772d-46e0-a1b3-698730573db9.jpg?v=1784196562) ## Full Specifications - **Color:** Dark Gray - **Weight:** 100g - **Includes:** 1 × grout sealer (100g) + 1 × scraper tool - **Waterproof:** Yes - **Mildew-Resistant:** Yes - **Drying Time:** 2–4 hours (surface dry), 24 hours (full cure) - **Coverage:** Approximately 5–8 linear meters of grout lines per 100g - **Suitable Surfaces:** Ceramic, porcelain, stone, slate, granite, glass mosaic tiles - **Application Areas:** Bathroom floors, kitchen walls, shower joints, backsplashes, entryway tiles ![Applying dark gray grout sealer to bathroom tile joints](https://cdn.shopify.com/s/files/1/0715/8595/6114/files/c0b1f5d4-6b90-4da8-a136-9d83f7321694.jpg?v=1784196562) ## Where to Use Your Dark Gray Tile Grout ### Modern Bathroom Floors The dark gray tone is perfect for contemporary bathroom designs with charcoal or slate-look tiles. It hides dirt and water stains better than light grout, keeping your bathroom looking cleaner for longer. ### Kitchen Backsplashes & Counters Pair with dark or patterned kitchen tiles for a cohesive, modern look. The waterproof formula stands up to cooking splashes and daily cleaning. ### High-Traffic Floor Tiles Dark gray grout is the smart choice for entryways, hallways, and kitchen floors where light grout would show dirt and wear quickly. It maintains its appearance with minimal maintenance. ### Shower & Wet Room Joints Seal gaps in shower enclosures and wet rooms with confidence. The mildew-proof formula resists mold growth even in the most humid environments. ![Dark gray tile grout before and after repair comparison](https://cdn.shopify.com/s/files/1/0715/8595/6114/files/d08d4b5c-6c7c-4b7a-bd21-036adeca592e.jpg?v=1784196562) ## How to Apply — Step by Step 1. **Clean the area:** Remove old grout debris, dirt, and grease from the gap using a brush and damp cloth. Allow to dry completely. 2. **Prepare the grout:** Knead the grout tube gently to ensure smooth, even consistency before application. 3. **Apply the grout:** Squeeze or spread the grout directly into the tile gap, filling it slightly above the surface. 4. **Scrape excess:** Use the included scraper to remove excess grout and create a smooth, flush finish along the grout line. 5. **Wipe clean:** Dampen a sponge or cloth and gently wipe away any residue from the tile surface. 6. **Let dry:** Allow 2–4 hours for surface drying and 24 hours for full waterproof curing before exposing to water. ## Frequently Asked Questions ### Will the dark gray color match my tiles? The dark gray tone is designed to match charcoal, slate, dark porcelain, and modern dark-toned tiles. For lighter tiles, consider our [white tile grout](/products/white-tile-grout-waterproof-gap-repair-sealer-100g) or [beige tile grout](/products/beige-tile-grout-waterproof-floor-gap-repair-sealer-100g) instead. ### Does dark grout really hide dirt better? Yes — dark gray grout conceals dirt, stains, and discoloration significantly better than white or light-colored grout, making it the preferred choice for high-traffic areas and busy households. ### Can I use this in a shower? Absolutely. The waterproof, mildew-proof formula is specifically designed for wet environments like showers and bathrooms. Allow 24 hours of full curing before water exposure. ### How long does the repair last? With proper application and curing, the waterproof seal can last 1–3 years depending on traffic and moisture exposure. High-wear areas may need periodic touch-ups. ### How much area does one 100g kit cover? One 100g kit covers approximately 5–8 linear meters of standard grout lines (3–5mm width), suitable for small to medium repair projects. ### Does it come with application tools? Yes — the kit includes a precision scraper tool for clean, even application. No additional tools needed beyond a cleaning brush and damp cloth. ![Dark gray tile grout kit contents with scraper tool](https://cdn.shopify.com/s/files/1/0715/8595/6114/files/eb020a03-0248-43c8-a9bd-743cd3f2f9b2.jpg?v=1784196562) ![Dark gray grout sealer product packaging](https://cdn.shopify.com/s/files/1/0715/8595/6114/files/1c6dce04-b1b0-44b9-ba6d-d8124dc36738.jpg?v=1784196562) ## What's in the Box - 1 × Dark Gray Tile Grout Sealer (100g) - 1 × Precision scraper tool ## Why Shop with EX-STOCK? EX-STOCK curates practical home improvement products that make DIY repairs simple and affordable. Our dark gray tile grout sealer is sourced from verified suppliers and quality-tested for Canadian and American homes. Enjoy secure checkout, fast shipping, and our [90-day return policy](/collections/ex-stock-90-day-return-collection) on every order. Browse our [new arrivals](/collections/new-arrivals) for more home repair essentials. ## Delivery & Returns **Free shipping on orders over $25 to Canada & USA** — delivered in 6–12 business days. Expedited shipping available in 5–9 business days. This product ships from our verified supplier network with tracking provided. We offer a 90-day return policy — items must be unused and in original packaging. See our [Shipping Policy](/pages/shipping-policy) and [Returns Policy](/pages/returns-policy) for full details. ## Details - **Price:** 29.99 CAD - **Vendor:** EX-STOCK - **Type:** Home Improvement - **Tags:** bathroom tile gap filler, dark gray tile grout, dark grout filler, DIY tile repair, grout filler with scraper, grout repair sealer, kitchen floor grout repair, mildew proof grout, tile joint sealer, waterproof grout sealer ## Variants | Variant | Price | Available | |---------|-------|-----------| | 100G scraper1 | 29.99 CAD | In stock | ## Images - Dark Gray Tile Grout — Waterproof Bathroom & Kitchen Floor Gap Repair Sealer (100g Kit) - Promotional graphic for patio grout with text listing four benefits and a photo of a white sink in a bathroom setting. - 59c357c8947e4fc8df5c85b5a88885a1 - 6ea50ef4d382d0e51f027db898ac0b31 - cc0b205fffac30256405ba038563d5a6 - 4aac6616aafe82a456bbb247eb209f7c --- > Source: [EX-STOCK Canada](https://www.ex-stock.com/products/dark-gray-tile-grout-waterproof-gap-repair-sealer-100g) > Updated: 2026-07-16