---
product_id: 808096281
title: "- Heavy Duty 5mm Reflective Insulation Roll - Premium Foam Core Radiant Barrier for Energy Conservation -Commercial Grade Soundproofing Thermal Shield for Indoor and Outdoor Use (48\" X 25')"
brand: "sealtech"
price: "€ 390.42"
currency: EUR
in_stock: true
reviews_count: 8
category: "Sealtech"
url: https://www.desertcart.com.cy/products/808096281-heavy-duty-5mm-reflective-insulation-roll-premium-foam-core-radiant
store_origin: CY
region: Cyprus
---

# Vapor & moisture resistant Advanced soundproofing tech Reflects 95% radiant heat - Heavy Duty 5mm Reflective Insulation Roll - Premium Foam Core Radiant Barrier for Energy Conservation -Commercial Grade Soundproofing Thermal Shield for Indoor and Outdoor Use (48" X 25')

**Brand:** sealtech
**Price:** € 390.42
**Availability:** ✅ In Stock

## Summary

> 🏡 Upgrade your space with SEALTECH — where comfort meets cutting-edge insulation!

## Quick Answers

- **What is this?** - Heavy Duty 5mm Reflective Insulation Roll - Premium Foam Core Radiant Barrier for Energy Conservation -Commercial Grade Soundproofing Thermal Shield for Indoor and Outdoor Use (48" X 25') by sealtech
- **How much does it cost?** € 390.42 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.cy](https://www.desertcart.com.cy/products/808096281-heavy-duty-5mm-reflective-insulation-roll-premium-foam-core-radiant)

## Best For

- sealtech enthusiasts

## Why This Product

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

## Key Features

- • **Safe & Durable Build:** Fire retardant, non-toxic materials ensure lasting performance and peace of mind.
- • **Weatherproof Versatility:** Seals out moisture and vapor for year-round indoor/outdoor protection.
- • **DIY-Friendly Installation:** Lightweight, flexible, and easy to cut—perfect for any project size.
- • **Soundproof Your Sanctuary:** Commercial-grade foam core reduces noise for a peaceful environment.
- • **Cut Energy Costs Dramatically:** Reflects up to 95% of radiant heat to slash your utility bills.

## Overview

SEALTECH Heavy Duty 5mm Reflective Insulation Roll is a premium foam core radiant barrier designed for superior energy conservation and soundproofing. Measuring 48" x 25', it reflects 95% of radiant heat, resists moisture and vapor, and features a fire-retardant polyethylene core. Ideal for indoor and outdoor use, it’s lightweight, easy to install, and built to enhance thermal efficiency while reducing noise, making it a must-have for modern homes, RVs, and commercial spaces.

## Description

Buy SEALTECH Heavy Duty 5mm Reflective Insulation Roll - Premium Foam Core Radiant Barrier for Energy Conservation -Commercial Grade Soundproofing Thermal Shield for Indoor and Outdoor Use (48" X 25'): Everything Else - desertcart.com ✓ FREE DELIVERY possible on eligible purchases

Review: The ultimate year-round climate control solution for any RV - The Context: Insulating an RV is tough because you’re battling extreme temperatures on both ends of the spectrum. I used the SEALTECH 5mm Reflective Insulation Roll to beef up our camper’s thermal efficiency, and it has honestly been a game-changer for seasonal comfort. The Performance: Summer Performance: In the summer, this stuff is incredible at blocking out the sun. Lining windows and key interior spots with it significantly reduces radiant heat gain, meaning the AC doesn't have to work nearly as hard to keep the rig cool. Winter Performance: When it gets cold, it does the opposite. By adding that extra layer of thermal reflection, it helps trap the interior heat and prevents the rig from losing warmth through the thin walls and windows. It makes a noticeable difference in how often the heater needs to cycle. Ease of Use: It’s super easy to work with. It cuts cleanly with standard scissors or a utility knife, and it’s flexible enough to shape into tight corners or window frames. It’s lightweight but feels durable enough to last through a lot of road travel. Pros: Versatile: Effective for both extreme heat and cold. DIY-Friendly: Extremely easy to cut, shape, and install. High Performance: Significantly reduces the load on RV heating and cooling systems. Cons: None: It performs exactly as advertised and is a must-have for any serious RVer. The Verdict: If you’re tired of your RV feeling like an oven in the summer or a freezer in the winter, get this insulation roll. It’s an inexpensive, high-impact upgrade that makes a world of difference in your day-to-day comfort.
Review: Insulation Worked Well! - This was an awesome product and great for keeping the 100F plus heat out of the house! We used it in a bay window and it cooled down the room tremendously by keeping the heat outside! I’d definitely recommend it for that easy DIY project of insulating your house or apartment with very little effort. All I needed was a good pair of scissors and a tape measure. It was easy to measure, cut and install! It’s worth the price in saving on utilities for your home. I’d recommend getting some because it’s easy to install and take down if needed!

## Features

- SAVE ON ENERGY BILLS with SEALTECH Radiant Barrier! This advanced insulation reflects a remarkable 95% of radiant energy, providing unbeatable insulation for enhanced energy efficiency. Optimize your home's thermal performance and start saving on those energy bills!
- VERSATILE VAPOR AND MOISTURE RESISTANCE: SEALTECH's weatherproofing insulation is your go-to solution for windows, attics, ceilings, and outdoor applications. Resist humidity and moisture effectively, ensuring year-round protection against the elements.
- ROBUST CONSTRUCTION FOR ULTIMATE QUALITY: Our window insulation foam boasts a resilient 100% Virgin Polyethylene foam core, and is fortified with engineered foil layers that is fire retardant. Durable, easy to install, and lightweight, SEALTECH offers insulation solutions in various sizes and 3 thickness levels (3mm, 5mm and 10mm), catering to your specific needs.
- EXPERIENCE ADVANCED SOUNDPROOFING TECHNOLOGY: Elevate your living spaces with SEALTECH's Radiant Barrier. Beyond exceptional insulation, our advanced soundproofing technology enhances acoustic comfort, creating a tranquil and quiet environment in your home.
- NON-TOXIC AND LONG-LASTING BUILD: Invest in peace of mind with SEALTECH. Our insulation is fire retardant, non-irritating, non-allergenic, and built with commercial-grade quality. Ensure lasting durability and a healthier indoor environment for you and your loved ones. Upgrade to SEALTECH and redefine your insulation experience!

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0CS27NCR6 |
| Best Sellers Rank | #51,766 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #47 in Weatherproofing Window Insulation Kits |
| Brand | SEALTECH |
| Brand Name | SEALTECH |
| Coverage | 1200 square inches |
| Customer Reviews | 4.7 out of 5 stars 182 Reviews |
| Item Dimensions L x W | 48"L x 9.4"W |
| Item Thickness | 5 Millimeters |
| Item Type Name | Tarp |
| Item Weight | 4.61 Pounds |
| Manufacturer | SEALTECH |
| Manufacturer Part Number | ST-301-48X25 |
| Material | Polyethylene (PE) |
| Material Type | Polyethylene (PE) |
| Model Number | ST-301-48X25 |
| Product Dimensions | 48"L x 9.4"W |
| Recommended Uses For Product | Garage, Roof, Soundproofing, Wall, Warehouse |
| UPC | 810152573341 |
| Unit Count | 1.0 Count |

## Product Details

- **Brand:** SEALTECH
- **Item Thickness:** 5 Millimeters
- **Material:** Polyethylene (PE)
- **Product Dimensions:** 48"L x 9.4"W
- **Recommended Uses For Product:** Boating, Camping

## Images

![- Heavy Duty 5mm Reflective Insulation Roll - Premium Foam Core Radiant Barrier for Energy Conservation -Commercial Grade Soundproofing Thermal Shield for Indoor and Outdoor Use (48" X 25') - Image 1](https://m.media-amazon.com/images/I/71Q6jPcKopL.jpg)
![- Heavy Duty 5mm Reflective Insulation Roll - Premium Foam Core Radiant Barrier for Energy Conservation -Commercial Grade Soundproofing Thermal Shield for Indoor and Outdoor Use (48" X 25') - Image 2](https://m.media-amazon.com/images/I/81OtUE4ExxL.jpg)
![- Heavy Duty 5mm Reflective Insulation Roll - Premium Foam Core Radiant Barrier for Energy Conservation -Commercial Grade Soundproofing Thermal Shield for Indoor and Outdoor Use (48" X 25') - Image 3](https://m.media-amazon.com/images/I/71mxPrjMieL.jpg)
![- Heavy Duty 5mm Reflective Insulation Roll - Premium Foam Core Radiant Barrier for Energy Conservation -Commercial Grade Soundproofing Thermal Shield for Indoor and Outdoor Use (48" X 25') - Image 4](https://m.media-amazon.com/images/I/71Sef7Ok-kL.jpg)
![- Heavy Duty 5mm Reflective Insulation Roll - Premium Foam Core Radiant Barrier for Energy Conservation -Commercial Grade Soundproofing Thermal Shield for Indoor and Outdoor Use (48" X 25') - Image 5](https://m.media-amazon.com/images/I/81L6z+oHwgL.jpg)

## Available Options

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

## Customer Reviews

### ⭐⭐⭐⭐⭐ The ultimate year-round climate control solution for any RV
*by G***I on June 7, 2026*

The Context: Insulating an RV is tough because you’re battling extreme temperatures on both ends of the spectrum. I used the SEALTECH 5mm Reflective Insulation Roll to beef up our camper’s thermal efficiency, and it has honestly been a game-changer for seasonal comfort. The Performance: Summer Performance: In the summer, this stuff is incredible at blocking out the sun. Lining windows and key interior spots with it significantly reduces radiant heat gain, meaning the AC doesn't have to work nearly as hard to keep the rig cool. Winter Performance: When it gets cold, it does the opposite. By adding that extra layer of thermal reflection, it helps trap the interior heat and prevents the rig from losing warmth through the thin walls and windows. It makes a noticeable difference in how often the heater needs to cycle. Ease of Use: It’s super easy to work with. It cuts cleanly with standard scissors or a utility knife, and it’s flexible enough to shape into tight corners or window frames. It’s lightweight but feels durable enough to last through a lot of road travel. Pros: Versatile: Effective for both extreme heat and cold. DIY-Friendly: Extremely easy to cut, shape, and install. High Performance: Significantly reduces the load on RV heating and cooling systems. Cons: None: It performs exactly as advertised and is a must-have for any serious RVer. The Verdict: If you’re tired of your RV feeling like an oven in the summer or a freezer in the winter, get this insulation roll. It’s an inexpensive, high-impact upgrade that makes a world of difference in your day-to-day comfort.

### ⭐⭐⭐⭐⭐ Insulation Worked Well!
*by J***N on May 14, 2025*

This was an awesome product and great for keeping the 100F plus heat out of the house! We used it in a bay window and it cooled down the room tremendously by keeping the heat outside! I’d definitely recommend it for that easy DIY project of insulating your house or apartment with very little effort. All I needed was a good pair of scissors and a tape measure. It was easy to measure, cut and install! It’s worth the price in saving on utilities for your home. I’d recommend getting some because it’s easy to install and take down if needed!

### ⭐⭐⭐⭐⭐ Wonderful chicken coop insulator
*by S***N on April 30, 2026*

Used to insulate chicken coops during cooler weather here in South Carolina and it worked great! Much thicker than other brands, is not flimsy, worth the extra bit of money for the thickness. Definitely recommend.

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*Product available on Desertcart Cyprus*
*Store origin: CY*
*Last updated: 2026-07-26*