--- product_id: 12764163 title: "Schluter Kerdi Board Prefabricated Shower Niche with Pre-Sealed Inside Corners for Bathroom Renovation - 12\" Width, 12\" Height - KB12SN305305A" brand: "schluter" price: "€ 304.47" currency: EUR in_stock: true reviews_count: 10 url: https://www.desertcart.hr/products/12764163-schluter-kerdi-board-prefabricated-shower-niche-with-pre-sealed-inside store_origin: HR region: Croatia --- # 100% waterproof vapor-tight design Pre-sealed inside corners for easy install 10-year limited warranty for peace of mind Schluter Kerdi Board Prefabricated Shower Niche with Pre-Sealed Inside Corners for Bathroom Renovation - 12" Width, 12" Height - KB12SN305305A **Brand:** schluter **Price:** € 304.47 **Availability:** βœ… In Stock ## Summary > 🚿 Elevate your shower game with leakproof luxury and effortless style! ## Quick Answers - **What is this?** Schluter Kerdi Board Prefabricated Shower Niche with Pre-Sealed Inside Corners for Bathroom Renovation - 12" Width, 12" Height - KB12SN305305A by schluter - **How much does it cost?** € 304.47 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/12764163-schluter-kerdi-board-prefabricated-shower-niche-with-pre-sealed-inside) ## Best For - schluter enthusiasts ## Why This Product - Trusted schluter brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - β€’ **Built to Last:** Durable materials backed by a 10-year warranty ensure your renovation stands the test of time. - β€’ **Leakproof Confidence:** Full moisture protection with vapor-tight Kerdi Board technology keeps your shower mold-free and worry-free. - β€’ **Spacious & Practical:** Generous 12"x12" dimensions provide ample room for all your shower essentials, combining form and function. - β€’ **Versatile Style Match:** Seamlessly integrates with Schluter profiles and any tile choice for a sleek, modern shower niche. - β€’ **Effortless Installation:** Pre-sealed corners and clear instructions make upgrading your bathroom a smooth, professional-grade project. ## Overview The Schluter Kerdi Board Prefabricated Shower Niche (12"x12") features a fully waterproof, vapor-tight design with pre-sealed inside corners for quick, reliable installation. Compatible with Schluter profiles, it offers a spacious, modern storage solution backed by a 10-year limited warranty, making it a durable and stylish upgrade for any bathroom renovation. ## Description Schluter Kerdi Board Prefabricated Shower Niche with Pre-Sealed Inside Corners for Bathroom Renovation - 12" Width, 12" Height - KB12SN305305A - Shower Wall Surrounds - desertcart.com Review: Easy to Install and Perfect for a Clean, Waterproof Shower - The Schluter Kerdi Shower Niche is fantastic! It made adding a built-in shelf to my shower so simple. The waterproofing system is top-notch β€” I feel confident there won’t be any leaks or mold issues down the line. The niche is well-designed with a sturdy frame and plenty of space for shampoo bottles, soap, and other shower essentials. Installation was straightforward, and the waterproofing integrated seamlessly with my Kerdi membrane. πŸ‘ Highlights: βœ… Solid, waterproof design βœ… Easy to install with clear instructions βœ… Spacious and practical storage for shower essentials βœ… Integrates perfectly with Schluter Kerdi system If you want a durable, professional-quality shower niche that helps keep your bathroom leak-free, this is the one to get! Review: Great product and great seller - Tile guy recommend. High quality. Canadian seller did accept returns when on-site conditions required return. ## Features - Waterproof Design - Delivers full moisture protection through a tough, vapor-tight construction, ensuring a worry-free bathroom environment. - Versatile - Easily adapts to various designs, making it suitable for a range of tile choices and bathroom styles. - Optimal Compatibility - Ideal for use with Schluter profiles, this niche enhances both the aesthetic appeal and functionality of your shower space. - Built for Longevity - Crafted with durability in mind, this shower niche effortlessly maintains its functional elegance and requires minimal upkeep, simplifying your bathroom routine. - Long-Term Coverage - Backed by a 10-year limited warranty against manufacturing defects when installed per the Schluter Installation Handbook and Technical Data Sheet, following all guidelines and industry standards in effect at the time. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B00GUR3C9S | | Assembly Instructions Description | Assembly instructions provided | | Best Sellers Rank | #412,025 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #129 in Shower Installation Kits | | Brand | Schluter | | Brand Name | Schluter | | Color | White | | Customer Reviews | 4.8 out of 5 stars 1,189 Reviews | | Door Style | Frameless | | Finish Type | Glossy | | Finish Types | Glossy | | Handle Type | Schluter Handle | | Installation Type | Screw-In | | Item Dimensions D x W x H | 18"D x 17.3"W x 4.4"H | | Manufacturer | Schluter Systems | | Manufacturer Part Number | KB12SN305305A | | Material | kerdi board | | Material Type | kerdi board | | Model Number | KB12SN305305A | | Product Dimensions | 18"D x 17.3"W x 4.4"H | | Shape | Rectangular | | Style | Modern | | UPC | 787721465836 | | Unit Count | 1 Count | ## Product Details - **Door Style:** Frameless - **Finish Type:** Glossy - **Material:** kerdi board - **Product Dimensions:** 18"D x 17.3"W x 4.4"H - **Style:** Modern ## Images ![Schluter Kerdi Board Prefabricated Shower Niche with Pre-Sealed Inside Corners for Bathroom Renovation - 12" Width, 12" Height - KB12SN305305A - Image 1](https://m.media-amazon.com/images/I/71cCDpq+Y9L.jpg) ![Schluter Kerdi Board Prefabricated Shower Niche with Pre-Sealed Inside Corners for Bathroom Renovation - 12" Width, 12" Height - KB12SN305305A - Image 2](https://m.media-amazon.com/images/I/61jbeZwctIL.jpg) ![Schluter Kerdi Board Prefabricated Shower Niche with Pre-Sealed Inside Corners for Bathroom Renovation - 12" Width, 12" Height - KB12SN305305A - Image 3](https://m.media-amazon.com/images/I/71HBEWziYeL.jpg) ## Questions & Answers **Q: How long do I have to wait before I can install tile on Schluter-KERDI-BOARD?** A: Tile can be installed on KERDI-BOARD immediately, except on curved walls and non-bearing partitions where curing is needed. In showers, water testing, recommended and sometimes required by code, should be done 24 hours after membrane installation. **Q: Can I install glass tile over Schluter-KERDI-BOARD?** A: Glass tiles are unique products and may require special consideration. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Easy to Install and Perfect for a Clean, Waterproof Shower *by B***X on August 7, 2025* The Schluter Kerdi Shower Niche is fantastic! It made adding a built-in shelf to my shower so simple. The waterproofing system is top-notch β€” I feel confident there won’t be any leaks or mold issues down the line. The niche is well-designed with a sturdy frame and plenty of space for shampoo bottles, soap, and other shower essentials. Installation was straightforward, and the waterproofing integrated seamlessly with my Kerdi membrane. πŸ‘ Highlights: βœ… Solid, waterproof design βœ… Easy to install with clear instructions βœ… Spacious and practical storage for shower essentials βœ… Integrates perfectly with Schluter Kerdi system If you want a durable, professional-quality shower niche that helps keep your bathroom leak-free, this is the one to get! ### ⭐⭐⭐⭐⭐ Great product and great seller *by T***K on April 14, 2026* Tile guy recommend. High quality. Canadian seller did accept returns when on-site conditions required return. ### ⭐⭐⭐⭐⭐ This niche is easy to install *by P***C on June 12, 2024* Easy to use Look beautiful ## Frequently Bought Together - Schluter Kerdi Board Prefabricated Shower Niche with Pre-Sealed Inside Corners for Bathroom Renovation - 12-Inch Width, 12-Inch Height - KB12SN305305A - Schluter KERDI-Board-SN Prefabricated Shower Niche - Waterproof with Adjustable Shelf, Easy Installation - 12" x 20" - KB12SN305508A1 - Schluter Kerdi Board Prefabricated Shower Niche with Adjustable Kerdi-Board Shelf - Ideal for any Bathroom Renovation - Waterproof, Vapor-Tight, 12-Inch Width, 28-Inch Height - KB12SN305711A1 --- ## 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.hr/products/12764163-schluter-kerdi-board-prefabricated-shower-niche-with-pre-sealed-inside](https://www.desertcart.hr/products/12764163-schluter-kerdi-board-prefabricated-shower-niche-with-pre-sealed-inside) --- *Product available on Desertcart Croatia* *Store origin: HR* *Last updated: 2026-08-07*