---
product_id: 112281055
title: "20mm Thick - XPS Insulation Floor Boards (Pack of 6 Pieces = 3.6m2) - Also Applicable for Electric Underfloor Heating - Flooring - Thermal Floor Insulation Extruded Polystyrene - ThermoRise®"
brand: "thermorise"
price: "₨20063"
currency: LKR
in_stock: false
url: https://www.desertcart.lk/products/112281055-20mm-thick-xps-insulation-floor-boards-pack-of-6-pieces
store_origin: LK
region: Sri Lanka
---

# 20mm thick for optimal insulation Reflects heat efficiently for underfloor heating 6 rigid boards totaling 3.6m² coverage 20mm Thick - XPS Insulation Floor Boards (Pack of 6 Pieces = 3.6m2) - Also Applicable for Electric Underfloor Heating - Flooring - Thermal Floor Insulation Extruded Polystyrene - ThermoRise®

**Brand:** thermorise
**Price:** ₨20063
**Availability:** ❌ Out of Stock

## Summary

> 🔥 Elevate your space with ThermoRise – where warmth meets smart design!

## Quick Answers

- **What is this?** 20mm Thick - XPS Insulation Floor Boards (Pack of 6 Pieces = 3.6m2) - Also Applicable for Electric Underfloor Heating - Flooring - Thermal Floor Insulation Extruded Polystyrene - ThermoRise® by thermorise
- **How much does it cost?** ₨20063 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.lk](https://www.desertcart.lk/products/112281055-20mm-thick-xps-insulation-floor-boards-pack-of-6-pieces)

## Best For

- thermorise enthusiasts

## Why This Product

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

## Key Features

- • **Spacious Coverage:** Each pack includes 6 boards covering 3.6m², perfect for medium-sized floor projects.
- • **Versatile Application:** Ideal for floors, walls, and roofs—water-resistant and durable for multiple construction needs.
- • **Precision Thermal Barrier:** 20mm thick extruded polystyrene ensures superior heat retention and energy efficiency.
- • **Lightweight & Easy to Handle:** Strong yet lightweight boards that cut effortlessly, speeding up installation without hassle.
- • **Underfloor Heating Optimized:** Specially designed to reflect heat upwards, maximizing electric underfloor heating performance.

## Overview

ThermoRise® 20mm thick XPS insulation floor boards come in a pack of 6, covering 3.6m². Made from closed-cell extruded polystyrene, these rigid yet lightweight boards provide excellent thermal insulation, especially optimized for electric underfloor heating by reflecting heat upwards. Water-resistant and easy to cut, they are also suitable for wall and roof insulation, making them a versatile solution for energy-efficient building projects.

## Description

ThermoRise Insulation Boards Thickness - 10mm Size per board - 1000mm x 600mm Size per pack - 3.6m2 (6pieces) These XPS Boards are made using extruded polystyrene insulation which is a 100% closed cell. The cell structure is tightly constructed which gives it its excellent thermal heating characteristics. Used for electric underfloor heating boards or simply thermal insulation boards to keep the heat in your room. These boards go underneath your underfloor heating, reflecting the heat upwards to your floor.

## Features

- 20mm Thick - 3.6m2 Pack - 6 Boards in Total
- Board Size: 1000mm x 600mm
- Ideal For Electric Underfloor Heating - Reflects Heat Upwards To Your Floor
- Very Strong / Rigid Boards - Lightweight & Easy to Cut - Water Resistance
- Also used in Wall Insulation, Construction of Roofs etc..

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | ThermoRise® |
| Product Dimensions | 100 x 60 x 0.1 cm |
| Material | Polystyrene |
| Batteries included? | No |
| Batteries Required? | No |

## Product Details

- **Material:** Polystyrene
- **Brand:** ThermoRise
- **Recommended uses for product:** Floor insulation, electric underfloor heating
- **Product dimensions:** 100L x 60W centimetres
- **Manufacturer:** ThermoRise®

## Images

![20mm Thick - XPS Insulation Floor Boards (Pack of 6 Pieces = 3.6m2) - Also Applicable for Electric Underfloor Heating - Flooring - Thermal Floor Insulation Extruded Polystyrene - ThermoRise® - Image 1](https://m.media-amazon.com/images/I/61yCUtVzA-L.jpg)

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.lk/products/112281055-20mm-thick-xps-insulation-floor-boards-pack-of-6-pieces](https://www.desertcart.lk/products/112281055-20mm-thick-xps-insulation-floor-boards-pack-of-6-pieces)

---

*Product available on Desertcart Sri Lanka*
*Store origin: LK*
*Last updated: 2026-02-19*