---
product_id: 31748352
title: "K-Flex USA 6RSX3X4048 Insul-Sheet, 1/2\" x 3' x 4', 12 sq. ft. Flat Sheet"
brand: "k-flex"
price: "€ 83.98"
currency: EUR
in_stock: true
url: https://www.desertcart.nl/products/31748352-k-flex-usa-6rsx3x4048-insul-sheet-1-2-x-3
store_origin: NL
region: Netherlands
---

# Superior moisture vapor resistance Greenguard low VOC certified Ultra-wide temp range -297°F to 220°F K-Flex USA 6RSX3X4048 Insul-Sheet, 1/2" x 3' x 4', 12 sq. ft. Flat Sheet

**Brand:** k-flex
**Price:** € 83.98
**Availability:** ✅ In Stock

## Summary

> ❄️ Stay cool or stay warm—Insul-Sheet has you covered, literally!

## Quick Answers

- **What is this?** K-Flex USA 6RSX3X4048 Insul-Sheet, 1/2" x 3' x 4', 12 sq. ft. Flat Sheet by k-flex
- **How much does it cost?** € 83.98 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.nl](https://www.desertcart.nl/products/31748352-k-flex-usa-6rsx3x4048-insul-sheet-1-2-x-3)

## Best For

- k-flex enthusiasts

## Why This Product

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

## Key Features

- • **Trusted Quality:** Factory Mutual Research approved for reliable, long-lasting insulation performance.
- • **Dual-Sided Versatility:** Available as skin-to-skin or with factory-applied PSAG for easy installation.
- • **Eco-Friendly Assurance:** Greenguard certified low VOC material for healthier indoor environments.
- • **Extreme Temperature Resilience:** Performs flawlessly from -297°F to 220°F, perfect for any climate challenge.
- • **Moisture & Condensation Control:** Non-porous design keeps your spaces dry and mold-free.

## Overview

K-Flex USA 6RSX3X4048 Insul-Sheet is a high-performance, non-porous insulation flat sheet measuring 1/2" x 3' x 4' (12 sq. ft.). Engineered for extreme temperature ranges from -297°F to 220°F, it offers superior moisture vapor resistance and condensation control. Available with skin-to-skin or factory-applied PSAG options, this Greenguard low VOC certified product ensures eco-friendly, durable insulation trusted by Factory Mutual Research standards.

## Description

INSUL-SHEET is non-porous and non-fibrous and its key physical properties are approved through supervision by Factory Mutual Research Corporation.

## Features

- Moisture Vapor Resistance
- Condensation Control
- Available as S2S (skin-two-side) or with factory-applied PSA
- Greengard certified as a low VOC material
- Temperature range: -297°F to 220°F (-182°C to 104°C)

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Product Dimensions | 51 x 40 x 7 inches |
| Item Weight | 0.01 ounces |
| Manufacturer | Kflex |
| ASIN | B0012RUQ0E |
| Item model number | 6RSX3X4048 |
| Is Discontinued By Manufacturer | No |
| Date First Available | April 7, 2014 |

## Images

![K-Flex USA 6RSX3X4048 Insul-Sheet, 1/2" x 3' x 4', 12 sq. ft. Flat Sheet - Image 1](https://m.media-amazon.com/images/I/61JBD6+CowL.jpg)

## Questions & Answers

**Q: Is this EVA foam?**
A: This product is NBR (Nitrile Rubber) elastomeric closed cell foam

**Q: What temperature range can this be used in. For instance a common rating for sponge foam is -70 to 250 degrees Fahrenheit. Also is this oil resistant?**
A: The temp ratings are on the listing.

**Q: Need something flexible that I can cut & use inside tall boots to keep their shape. Wondering about the rubber smell also.  Will this work?**
A: Buy pool noodles...works great

**Q: Can this be used for pipes? My apartment gives too much heat and I want to wrap them with this**
A: yes. I have seen the insulators wrap the pipes and glue the seams. Then they usually wrap with a protective covering

## Frequently Bought Together

- K-Flex USA 6RSX3X4048 Insul-Sheet, 1/2" x 3' x 4', 12 sq. ft. Flat Sheet
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- FLEXFAB 1" 5526 BLUE SILICONE HI-TEMP HOSE (MADE IN USA) (1" x 5')

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**Shop now:** [https://www.desertcart.nl/products/31748352-k-flex-usa-6rsx3x4048-insul-sheet-1-2-x-3](https://www.desertcart.nl/products/31748352-k-flex-usa-6rsx3x4048-insul-sheet-1-2-x-3)

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*Product available on Desertcart Netherlands*
*Store origin: NL*
*Last updated: 2026-01-23*