---
product_id: 651328885
title: "K-Board Waterproof Backer Board Kit 6 Sheets"
brand: "kbrs hard core"
price: "฿78759"
currency: THB
in_stock: true
category: "Kbrs Hard Core"
url: https://www.desertcart.co.th/products/651328885-k-board-waterproof-backer-board-kit-6-sheets
store_origin: TH
region: Thailand
---

# 100% built-in waterproofing Six 3'x5'x1/2" sheets cover 90 sq ft Includes 200 screws & washers + 4 sealant tubes K-Board Waterproof Backer Board Kit 6 Sheets

**Brand:** kbrs hard core
**Price:** ฿78759
**Availability:** ✅ In Stock

## Summary

> 💧 Build your dream shower foundation—waterproof, lightweight, and ready to tile today!

## Quick Answers

- **What is this?** K-Board Waterproof Backer Board Kit 6 Sheets by kbrs hard core
- **How much does it cost?** ฿78759 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.th](https://www.desertcart.co.th/products/651328885-k-board-waterproof-backer-board-kit-6-sheets)

## Best For

- kbrs hard core enthusiasts

## Why This Product

- Trusted kbrs hard core brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Steam Shower Approved:** Certified safe for high-moisture steam environments—upgrade your bathroom with confidence
- • **Effortless Installation:** Fast, same-day tile-ready setup saves you time and hassle
- • **Precision On-Site Cutting:** Easily trimmed with a utility knife for perfect custom fits every time
- • **Ultimate Waterproof Defense:** Built-in 100% waterproof XPS foam core keeps moisture out for good
- • **Lightweight Yet Ultra-Durable:** Strong polymeric cement mortar coating with alkali-resistant mesh ensures lasting stability

## Overview

The K-Board Waterproof Backer Board Kit includes six 3'x5'x1/2" sheets of ultra-durable, lightweight XPS foam core backer board with built-in waterproofing, four tubes of polyurethane sealant, and 200 screws and washers. Designed for fast, easy installation, it provides a 90 sq ft waterproof tile base ideal for wet areas including steam showers, featuring alkali-resistant fiber mesh and polymeric cement mortar coating for exceptional strength and moisture resistance.

## Description

DescriptionWaterproof Shower Backer BoardThe integrity of your tile is only as good as its foundation. KBRS Backer Board provides a strong, lightweight, waterproof, and vapor-resistant tile base for wet areas. It is an XPS foam panel manufactured with a waterproof proprietary blend of synthetic polymer mortar and an alkali resistant fiber mesh. This gives it a highly rigid structure and exceptional bonding strength.The backer board installation kit includes:Six Sheets of KBRS Board backer board (3' x 5' x 1/2" sheets)Four tubes of KBRS ShowerSeal Polyurethane Sealant (10.3 oz. each)200 Washers and 200 ScrewsNote that this kit provides enough backer board to cover 90 square feet. Additional materials may be necessary for larger shower installations.BenefitsWhy Choose KBRS GoBoard?Fast and easy to install100% waterproof (built-in)Ultra-durable, ultra-lightweight designEasy to cut in the field with a utility knifeTile same-dayAlkali Resistant Fiber MeshPolymeric Cement Mortar CoatingXPS Foam Hard Core – Extruded PolystyreneApproved For Use In Steam ShowersResourcesTechnical DocumentsBacker Board Resource Library ▸Additional Questions:Backer Board Frequently Asked Questions ▸

## Features

- Six Sheets of KBRS Board backer board (3' x 5' x 1/2" sheets)
- Four tubes of KBRS ShowerSeal Polyurethane Sealant (10.3 oz. each)
- 200 Washers and 200 Screws Kit
- Tile same-day - Fast and easy to install - 100% waterproof (built-in)
- Ultra-durable, ultra-lightweight design
- Easy to cut in the field with a utility knife
- Alkali Resistant Fiber Mesh - Polymeric Cement Mortar Coating
- XPS Foam Hard Core – Extruded Polystyrene
- Approved For Use In Steam Showers

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0CG2GR473 |
| Date First Available | August 18, 2023 |
| Manufacturer | KBRS, Inc. |

## Images

![K-Board Waterproof Backer Board Kit 6 Sheets - Image 1](https://m.media-amazon.com/images/I/51L7D4LsmrL.jpg)

## Frequently Bought Together

- K-Board Waterproof Backer Board Kit 6 Sheets
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*Product available on Desertcart Thailand*
*Store origin: TH*
*Last updated: 2026-02-20*