---
product_id: 67825138
title: "Schluter KERDI-Board-SN: Shower Niche 12\"x6"
brand: "schluter"
price: "€ 297.75"
currency: EUR
in_stock: true
reviews_count: 5
url: https://www.desertcart.hr/products/67825138-schluter-kerdi-board-sn-shower-niche-12x6
store_origin: HR
region: Croatia
---

# Quick thin-set mortar anchoring 20-mil waterproof core 10-year limited warranty Schluter KERDI-Board-SN: Shower Niche 12"x6

**Brand:** schluter
**Price:** € 297.75
**Availability:** ✅ In Stock

## Summary

> 💧 Elevate your shower game with waterproof precision and pro-level ease!

## Quick Answers

- **What is this?** Schluter KERDI-Board-SN: Shower Niche 12"x6 by schluter
- **How much does it cost?** € 297.75 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/67825138-schluter-kerdi-board-sn-shower-niche-12x6)

## 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

- • **Confidence in Longevity:** Backed by a 10-year limited warranty when installed per Schluter’s expert guidelines.
- • **Effortless Installation:** Anchoring fleece on both sides ensures a secure, fast set in thin-set mortar—cut your project time.
- • **Built for Steam & Humidity:** Engineered with vapor retardation additives, perfect for steam rooms and high-moisture environments.
- • **Unmatched Moisture Defense:** High-density polyethylene core with bonded waterproof membrane keeps your shower niche dry and mold-free.
- • **Versatile Surface Compatibility:** Seamlessly waterproof tiled walls and floors for a sleek, continuous finish.

## Overview

The Schluter KERDI-Board-SN Shower Niche (12"x6") features a robust 20-mil thick waterproof membrane bonded to a high-density polyethylene core, flanked by non-woven polypropylene for superior vapor retardation. Designed for quick installation with anchoring fleece on both sides, it excels in high-humidity and steam environments. Compatible with tiled surfaces on walls and floors, it offers a modern, polished finish and is backed by a 10-year limited warranty when installed according to Schluter’s standards.

## Description

......

Review: As always with Schluter, it's a quality product... - At first glance, these Kerdi inserts seem a bit expensive. However, they save time over having to custom build out wall inserts, are perfectly designed, and easy to install; as a result, I always use them. If you're on the fence about purchasing, don't be - just buy it.
Review: Perfect for intended use - Great product

## Features

- Reliable Moisture Protection- It features a bonded waterproofing membrane with a high-density polyethylene (HPDE) core, and non-woven polypropylene on both sides, ensuring robust waterproofing and vapor retardation.
- Quick Installation - Equipped with an anchoring fleece on both sides, KERDI securely anchors in thin-set mortar, providing a reliable base for various applications.
- Perfect for High Humidity - It is 20-mil thick, and includes additives to produce a water vapor permeance of 0.19 perms. Engineered to withstand extreme moisture, ideal for use in steam rooms and intensive moisture environments.
- Multi-Surface Compatibility - Ideal for waterproofing in conjunction with tiled surfaces on both walls and floors, perfect for use in continuous-use steam rooms and similar applications.
- Long-Term Coverage - Backed by a 10-year limited coverage 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 | B00GUR3B26 |
| Assembly Instructions Description | Instructions for assembly are provided with the product. |
| Brand | Schluter |
| Colour | White |
| Customer Reviews | 4.7 out of 5 stars 199 Reviews |
| Door Style | throughput |
| Door style | throughput |
| Finish | Polished |
| Finish type | Polished |
| Handle Type | Bar |
| Installation Type | Glue Up |
| Is Assembly Required? | No |
| Item Dimensions D x W x H | 8.9D x 30.5W x 8.9H centimetres |
| Item Weight | 0.73 Pounds |
| Manufacturer | Schluter Systems |
| Material | KERDI-BOARD |
| Model Number | KB12SN305152A |
| Part Number | KB12SN305152A |
| Product dimensions | 8.9D x 30.5W x 8.9H centimetres |
| Shape | rectangular prism |
| Style | Modern |
| UPC | 733353258759 303945493457 782247915032 |
| Unit Count | 1.0 count |

## Product Details

- **Style:** Modern
- **Finish type:** Polished
- **Product dimensions:** 8.9D x 30.5W x 8.9H centimetres
- **Material:** KERDI-BOARD
- **Brand:** Schluter

## Images

![Schluter KERDI-Board-SN: Shower Niche 12"x6 - Image 1](https://m.media-amazon.com/images/I/71OTlMEZBOL.jpg)
![Schluter KERDI-Board-SN: Shower Niche 12"x6 - Image 2](https://m.media-amazon.com/images/I/71c2gdM0+HL.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

### ⭐⭐⭐⭐⭐ As always with Schluter, it's a quality product...
*by T***S on 11 October 2017*

At first glance, these Kerdi inserts seem a bit expensive. However, they save time over having to custom build out wall inserts, are perfectly designed, and easy to install; as a result, I always use them. If you're on the fence about purchasing, don't be - just buy it.

### ⭐⭐⭐⭐⭐ Perfect for intended use
*by B***E on 28 August 2024*

Great product

### ⭐⭐⭐⭐⭐ Bathroom Shower Remodel Cubby
*by B***Y on 3 October 2025*

Ideal size for its use! 5 stars. The price was just right, delivered to our door. Thickness & functionality was perfect between the studs. The final look allowed the tiles to amazing, while the sturdiness of the Box is essential for bathroom products 👍

## Frequently Bought Together

- Schluter Kerdi Board Prefabricated Shower Niche with Pre-Sealed Inside Corners for Bathroom Renovation - 12-Inch Width, 6-Inch Height - KB12SN305152A
- Schluter Kerdi Board Prefabricated Shower Niche with Pre-Sealed Inside Corners for Bathroom Renovation - 12-Inch Width, 12-Inch Height - KB12SN305305A
- 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

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*Product available on Desertcart Croatia*
*Store origin: HR*
*Last updated: 2026-07-05*