---
product_id: 545995103
title: "XPS Foam Insulation Board | Underlay | Thermal | Sound Proofing | Underfloor Heating | Size 600x600mm | Available in 6mm 10mm 20mm 30mm (20mm)"
brand: "cosyspace"
price: "€ 52.70"
currency: EUR
in_stock: true
reviews_count: 3
url: https://www.desertcart.fi/products/545995103-xps-foam-insulation-board-underlay-thermal-sound-proofing-underfloor-heating
store_origin: FI
region: Finland
---

# Moisture resistant closed-cell foam 600x600mm size High R-value thermal resistance XPS Foam Insulation Board | Underlay | Thermal | Sound Proofing | Underfloor Heating | Size 600x600mm | Available in 6mm 10mm 20mm 30mm (20mm)

**Brand:** cosyspace
**Price:** € 52.70
**Availability:** ✅ In Stock

## Summary

> 🔥 Elevate your space with insulation that works as hard as you do!

## Quick Answers

- **What is this?** XPS Foam Insulation Board | Underlay | Thermal | Sound Proofing | Underfloor Heating | Size 600x600mm | Available in 6mm 10mm 20mm 30mm (20mm) by cosyspace
- **How much does it cost?** € 52.70 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.fi](https://www.desertcart.fi/products/545995103-xps-foam-insulation-board-underlay-thermal-sound-proofing-underfloor-heating)

## Best For

- cosyspace enthusiasts

## Why This Product

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

## Key Features

- • **Built to Last:** 300kPa compressive strength means it stands strong under heavy loads without losing shape.
- • **Moisture Shield:** Closed-cell design repels water, ideal for damp or humid environments—no soggy surprises.
- • **Thermal Mastery:** Keep your space perfectly cozy year-round with industry-leading insulation efficiency.
- • **Soundproof Sanctuary:** Absorbs and reduces noise, transforming your home or office into a quiet haven.
- • **Effortless Installation:** Lightweight and easy to handle, saving you time and hassle on every project.

## Overview

Cosyspace XPS Foam Insulation Board is a versatile 600x600mm rigid foam panel available in multiple thicknesses (6-30mm). Featuring a high R-value for superior thermal resistance, closed-cell moisture resistance, and 300kPa compressive strength, it excels in underfloor heating, soundproofing, and damp environments. Lightweight and easy to install, it’s the smart choice for professional-grade insulation and acoustic performance.

## Description

XPS Foam Insulation Board | Underlay | Thermal | Sound Proofing | Underfloor Heating | Size 600x600mm | Available in 6mm 10mm 20mm 30mm (20mm)

## Features

- Size : 600x600mm Available in 6mm 10mm 20mm & 30mm Thickness
- High R-Value: XPS foam has a high R-value, which measures its thermal resistance. Its closed-cell structure and low thermal conductivity make it an efficient insulator, helping to keep buildings warm in cold weather and cool in hot weather.
- Moisture Resistance: XPS foam is highly resistant to moisture and does not absorb water due to its closed-cell structure. This property makes it suitable for use in areas prone to moisture
- Durability: Cosyspace XPS is 300kpa this helps it withstand heavy loads and pressure without significant deformation, making it suitable for use in various construction applications.
- Widely Used In Walls And Loft Insulation, Underfloor Heating, Roof, Wet Room, Laminate Underlay, Tiling Underlay
- Soundproofing: XPS foam also offers soundproofing benefits by absorbing and reducing sound energy, making it a good choice for acoustic applications or to improve the acoustic performance of a room.
- Lightweight and Easy to Handle: XPS foam is relatively lightweight and easy to handle, making it convenient to work with during installation.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | Cosyspace |
| Product Dimensions | 60 x 60 x 3 cm |
| Item model number | 20mm |
| Colour | Blue |
| Coverage | 0.36 square meters per board |
| Included Components | Insulation Board |

## Product Details

- **Material:** Polystyrene
- **Brand:** Cosyspace
- **Item thickness:** 2E+1 Millimetres
- **Recommended uses for product:** Thermal insulation, Sound insulation, Moisture protection, Underfloor heating
- **Product dimensions:** 60L x 60W centimetres

## Images

![XPS Foam Insulation Board | Underlay | Thermal | Sound Proofing | Underfloor Heating | Size 600x600mm | Available in 6mm 10mm 20mm 30mm (20mm) - Image 1](https://m.media-amazon.com/images/I/41m+AX-eLnL.jpg)

## Available Options

This product comes in different **Model** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Arrived well packaged.
*by S***0 on 13 September 2024*

Good quality product - arrived ahead of schedule and well packaged. Definitely buying foam from this company again.

### ⭐⭐⭐⭐⭐ Especially good
*by T***E on 27 August 2024*

Brilliant item for modelling

### ⭐⭐⭐⭐⭐ just what is required
*by A***R on 8 July 2024*

this is a very difficult product to get hold of well done.

## Frequently Bought Together

- XPS Foam Insulation Board | Underlay | Thermal | Sound Proofing | Underfloor Heating | Size 600x600mm | Available in 6mm 10mm 20mm 30mm (20mm)
- Mod Podge, Water-base Sealer, Glue and Finish, Matte Finish, CS11302, 473 ml Bottle

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**Shop now:** [https://www.desertcart.fi/products/545995103-xps-foam-insulation-board-underlay-thermal-sound-proofing-underfloor-heating](https://www.desertcart.fi/products/545995103-xps-foam-insulation-board-underlay-thermal-sound-proofing-underfloor-heating)

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*Product available on Desertcart Finland*
*Store origin: FI*
*Last updated: 2026-03-11*