---
product_id: 458862334
title: "40\" x 80\" 118mil Single Reflective Foil Insulation Foam Core Heat Radiant Barrier 21.53 sqft Aluminum Foil Finish White Foam Heat Shield"
brand: "motuka"
price: "$41.21"
currency: USD
in_stock: true
reviews_count: 8
category: "Motuka"
url: https://www.desertcart.us/products/458862334-40-x-80-118mil-single-reflective-foil-insulation-foam-core
store_origin: US
region: United States of America
---

# 40" x 80" size for versatile coverage Reflective aluminum foil reduces radiant heat 118 mil thickness for superior heat barrier 40" x 80" 118mil Single Reflective Foil Insulation Foam Core Heat Radiant Barrier 21.53 sqft Aluminum Foil Finish White Foam Heat Shield

**Brand:** motuka
**Price:** $41.21
**Availability:** ✅ In Stock

## Summary

> 🛠️ Upgrade your space with the ultimate heat shield—comfort and savings, wrapped in one sleek foil!

## Quick Answers

- **What is this?** 40" x 80" 118mil Single Reflective Foil Insulation Foam Core Heat Radiant Barrier 21.53 sqft Aluminum Foil Finish White Foam Heat Shield by motuka
- **How much does it cost?** $41.21 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/458862334-40-x-80-118mil-single-reflective-foil-insulation-foam-core)

## Best For

- motuka enthusiasts

## Why This Product

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

## Key Features

- • **Safe & Sustainable:** Non-toxic, fiber-free, and maintenance-free for peace of mind and long-term use.
- • **Multi-Use Versatility:** Perfect for home walls, car roofs, garages, and more—soundproofing and insulation in one.
- • **Custom Fit Flexibility:** Staple, nail, or glue in place—no sticky residue, just tailored insulation wherever you need it.
- • **Effortless Installation:** Lightweight, easy-to-cut foam core installs faster than fiberglass—no special gear needed.
- • **Year-Round Climate Control:** Keeps your space cooler in summer and warmer in winter, slashing energy bills.

## Overview

The MOTUKA 40" x 80" 118mil Single Reflective Foil Insulation features a durable 3mm closed-cell polyethylene foam core with a pure aluminum foil finish. Designed for easy cutting and installation without protective gear, it effectively reduces radiant heat transfer, enhances soundproofing, and improves energy efficiency in homes, vehicles, and garages. Its non-toxic, fiber-free composition ensures safe handling, while its versatile application options make it a must-have for professional-grade insulation.

## Description

MOTUKA 40" x 80" 118mil Single Reflective Foil Insulation Foam Core Heat Radiant Barrier 21.53 sqft Aluminum Foil Finish White Foam Heat Shield - desertcart.com

Review: Blocks the heat! - My house gets a lot of heat from the south wall in the summer. I decided to cover most of it with some kind of insulation. I bought three different kinds and this was one of them. This one worked the best for my purposes. I just taped it near the top of the wall and hung it down lengthwise. I checked using an infrared camera and it was working way better than a similar material that I also tried. So I ordered three more to finish off the wall. I oriented them shiny side in, because there are windows and I didn't want to blind people outside. So they get the white side instead of the mirrored side. A little bit of faint bluish light comes through the material from the windows in the daytime.
Review: Great product - It does work, using it on the inside of my car as a sunroof shade. Cuts the sun and it insulates the roof.

## Features

- 【Premium Quality】- 3mm closed cell polyethylene foam covered on pure aluminum foil. Easy to install, easy to cut, sturdy yet lightweight.
- Safe Non-toxic, non-carcinogenic, fiber-free, safe to handle and does not require protective clothing or respirators to install. Easy to install and maintenance free, cuts easily with utility knife or scissors and installs easier than fiberglass.
- Barrier Saves energy by reducing the stress on heating and cooling systems, keeping your home or car warmer in the winter, and cooler in the summer. As well as provides benefits of soundproofing when used in walls, ceilings and floors.
- 【No-self adhesive】Size: 40" x 80". Simply staple, nail, glue or use a spray adhesive to hold in place!
- 【Application】You can also use on car roof floors, hood , firewall, chassis, trunk room, trunk lid, garage and so on.Do not cover the chassis wiring or air holes.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | MOTUKA |
| Manufacturer | MOTUKA |
| Material | Polyethylene (PE) |
| Product Dimensions | 80"L x 40"W |
| Recommended Uses For Product | home insulation, vehicle insulation, garage insulation, thermal insulation, soundproofing, energy conservation Recommended Uses For Product home insulation, vehicle insulation, garage insulation, thermal insulation, soundproofing, energy conservation See more |
| UPC | 796917820946 |

## Product Details

- **Brand:** MOTUKA
- **Manufacturer:** MOTUKA
- **Material:** Polyethylene (PE)
- **Product Dimensions:** 80"L x 40"W

## Images

![40" x 80" 118mil Single Reflective Foil Insulation Foam Core Heat Radiant Barrier 21.53 sqft Aluminum Foil Finish White Foam Heat Shield - Image 1](https://m.media-amazon.com/images/I/71ZXSriQs8L.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Blocks the heat!
*by R***N on August 11, 2025*

My house gets a lot of heat from the south wall in the summer. I decided to cover most of it with some kind of insulation. I bought three different kinds and this was one of them. This one worked the best for my purposes. I just taped it near the top of the wall and hung it down lengthwise. I checked using an infrared camera and it was working way better than a similar material that I also tried. So I ordered three more to finish off the wall. I oriented them shiny side in, because there are windows and I didn't want to blind people outside. So they get the white side instead of the mirrored side. A little bit of faint bluish light comes through the material from the windows in the daytime.

### ⭐⭐⭐⭐⭐ Great product
*by P***O on August 26, 2025*

It does work, using it on the inside of my car as a sunroof shade. Cuts the sun and it insulates the roof.

### ⭐⭐⭐⭐ Pretty good insulation barrier
*by D***N on February 29, 2024*

Works as a foam barrier should . Lost a star because it comes folded up vs a roll as showed in pic. Reflective material & foam gets creased. Not a deal breaker though since I’m cutting it up. Others wanting the whole sheet flat might be upset.

## Frequently Bought Together

- MOTUKA 40" x 80" 118mil Single Reflective Foil Insulation Foam Core Heat Radiant Barrier 21.53 sqft Aluminum Foil Finish White Foam Heat Shield
- 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
- Premium Aluminum Foil Tape, Silver Duct Tape Heavy Duty, Metal, Heat Resistant, Waterproof, High Temperature Sealing Adhesive Tape for Duct work Dryer Vent HVAC Insulation (2in x 65ft x 3.9mil, 1Roll)

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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-03-03*