---
product_id: 522516128
title: "5mm Reflective Insulation Foam Core Radiant Barrier 40“ × 80” Double Side Foil Cold and Heat Shield Thermal Insulation for Ceilings,Walls,Steel Buildings,Roofing ect"
brand: "halero"
price: "£62.81"
currency: GBP
in_stock: true
category: "Halero"
url: https://www.desertcart.co.uk/products/522516128-5mm-reflective-insulation-foam-core-radiant-barrier-40-80-double
store_origin: GB
region: United Kingdom
---

# Waterproof & vapor-proof barrier Easy custom cutting & installation Double-sided reflective foil 5mm Reflective Insulation Foam Core Radiant Barrier 40“ × 80” Double Side Foil Cold and Heat Shield Thermal Insulation for Ceilings,Walls,Steel Buildings,Roofing ect

**Brand:** halero
**Price:** £62.81
**Availability:** ✅ In Stock

## Summary

> 🛠️ Insulate smarter, live cooler — don’t let heat or moisture crash your space!

## Quick Answers

- **What is this?** 5mm Reflective Insulation Foam Core Radiant Barrier 40“ × 80” Double Side Foil Cold and Heat Shield Thermal Insulation for Ceilings,Walls,Steel Buildings,Roofing ect by halero
- **How much does it cost?** £62.81 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.uk](https://www.desertcart.co.uk/products/522516128-5mm-reflective-insulation-foam-core-radiant-barrier-40-80-double)

## Best For

- halero enthusiasts

## Why This Product

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

## Key Features

- • **Versatile Application:** Perfect for ceilings, walls, steel buildings, roofs, attics, and even garage doors.
- • **Sound-Dampening Comfort:** Reduces noise intrusion while maintaining ideal indoor temperatures.
- • **Moisture & Vapor Defense:** Closed-cell pearl cotton core plus aluminum foil surface blocks water, vapor, and condensation.
- • **DIY Friendly Installation:** Cut to size with scissors or knife and fasten easily with nails, glue, or spray adhesive.
- • **Dual-Action Thermal Shield:** Reflects both direct sunlight and roof conduction heat for year-round comfort.

## Overview

Halero’s 5mm Reflective Insulation Foam Core Radiant Barrier combines double-sided aluminum foil with a closed-cell pearl cotton core to deliver superior thermal insulation and moisture protection. Sized at 40" x 80" (21.63 sqft), it’s waterproof, vapor-proof, and sound-dampening, making it ideal for ceilings, walls, steel buildings, and roofing. Easy to cut and install, this radiant barrier keeps your space comfortable year-round while preventing condensation and energy loss.

## Description

Buy Halero 5mm Reflective Insulation Foam Core Radiant Barrier 40“ × 80” Double Side Foil Cold and Heat Shield Thermal Insulation for Ceilings,Walls,Steel Buildings,Roofing ect: Everything Else - desertcart.com ✓ FREE DELIVERY possible on eligible purchases

## Features

- Double sided aluminum foil design, with the top reflecting direct sunlight heat and the bottom reflecting roof conduction heat. The pearl cotton closed cell structure does not absorb water, and the aluminum foil surface is waterproof and vapor proof, effectively preventing roof condensation and moisture regain. Can be used for thermal insulation of color steel tile roofs, sunrooms, walls, attics, floors, barns, and garage doors.
- Vapor and Sound Barrier: This insulation panel helps maintain comfortable indoor temperatures in winter and summer. It blocks gas and water vapor and provides sound‑dampening features.
- Simple Installation: Cut the foam sheet to your desired size with scissors or utility knife. Fasten it with nails, glue or spray adhesive.
- Specifications: Thickness:196mil(5mm), Size: 40"80"(1m2m), Total Coverage Area:21.63 sqft.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0BNTW5KD7 |
| Best Sellers Rank | #116,516 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #138 in Weatherproofing Window Insulation Kits |
| Brand Name | Halero |
| Coverage | 21.63 square feet |
| Customer Reviews | 4.2 4.2 out of 5 stars (323) |
| Included Components | non |
| Item Dimensions L x W | 80"L x 40"W |
| Item Thickness | 5 millimeters |
| Item Type Name | non |
| Manufacturer | halero |
| Manufacturer Part Number | SMZZM04 |
| Material Type | Polyethylene (PE) |
| Model Number | SMZZM04 |
| Number of Items | 1 |
| Recommended Uses For Product | Insulation in ceilings, walls, steel buildings, and roofing |
| UPC | 796917474774 |

## Product Details

- **Brand:** Halero
- **Item Thickness:** 5 millimeters
- **Material:** Polyethylene (PE)
- **Product Dimensions:** 80"L x 40"W
- **Recommended Uses For Product:** Insulation in ceilings, walls, steel buildings, and roofing

## Images

![5mm Reflective Insulation Foam Core Radiant Barrier 40“ × 80” Double Side Foil Cold and Heat Shield Thermal Insulation for Ceilings,Walls,Steel Buildings,Roofing ect - Image 1](https://m.media-amazon.com/images/I/81Gaseek7JL.jpg)

## Available Options

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

## Frequently Bought Together

- Halero 5mm Reflective Insulation Foam Core Radiant Barrier 40“ × 80” Double Side Foil Cold and Heat Shield Thermal Insulation for Ceilings,Walls,Steel Buildings,Roofing ect
- Aluminum Foil Tape, 2 inch x 65 Feet (3.9 mil), Insulation Adhesive Metal High Temperature Heavy Duty HVAC Tape, Silver for Ductwork, Dryer Vent, HVAC

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**Shop now:** [https://www.desertcart.co.uk/products/522516128-5mm-reflective-insulation-foam-core-radiant-barrier-40-80-double](https://www.desertcart.co.uk/products/522516128-5mm-reflective-insulation-foam-core-radiant-barrier-40-80-double)

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*Product available on Desertcart United Kingdom*
*Store origin: GB*
*Last updated: 2026-11-11*