---
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: "KD 9.30"
currency: KWD
in_stock: true
reviews_count: 8
url: https://www.desertcart.com.kw/products/31748352-k-flex-usa-6rsx3x4048-insul-sheet-1-2-x-3
store_origin: KW
region: Kuwait
---

# Moisture vapor resistant Temp range -297°F to 220°F Greenguard low VOC certified K-Flex USA 6RSX3X4048 Insul-Sheet, 1/2" x 3' x 4', 12 sq. ft. Flat Sheet

**Brand:** k-flex
**Price:** KD 9.30
**Availability:** ✅ In Stock

## Summary

> 🛠️ Insulate smarter, not harder — the pro’s choice for next-level thermal control!

## 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?** KD 9.30 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.kw](https://www.desertcart.com.kw/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

- • **Eco-Friendly Assurance:** Greenguard certified low VOC material keeps your workspace safe and green.
- • **Superior Moisture Barrier:** Non-porous design stops vapor and condensation dead in its tracks.
- • **Trusted Industrial Strength:** Factory Mutual Research approved for reliable, professional-grade insulation.
- • **Versatile Application Options:** Available skin-to-skin or with factory-applied pressure-sensitive adhesive for hassle-free installation.
- • **Extreme Temperature Resilience:** Performs flawlessly from -297°F to 220°F, perfect for any climate challenge.

## Overview

K-Flex USA 6RSX3X4048 Insul-Sheet is a high-performance, non-porous insulation sheet designed for extreme temperature ranges (-297°F to 220°F). It offers superior moisture vapor resistance and condensation control, is Greenguard low VOC certified, and comes with flexible installation options including skin-to-skin or factory-applied adhesive. Approved by Factory Mutual Research, it’s engineered for professional-grade durability and efficiency in industrial and building applications.

## Description

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

Review: GREAT STUFF - Great product always order the glue for this material. Order more than you think you need. Any thing left over make Great kneeling pad.
Review: Excellent for insulating anything - Got my cold weather insulation completed.

## 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 |
|---------------|-------|
| ASIN | B0012RUQ0E |
| Best Sellers Rank | #295,359 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #1,489 in Plastic Sheets |
| Date First Available | April 7, 2014 |
| Is Discontinued By Manufacturer | No |
| Item Weight | 0.01 ounces |
| Item model number | 6RSX3X4048 |
| Manufacturer | Kflex |
| Product Dimensions | 51 x 40 x 7 inches |

## 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/41kQ2UhsToL.jpg)
![K-Flex USA 6RSX3X4048 Insul-Sheet, 1/2" x 3' x 4', 12 sq. ft. Flat Sheet - Image 2](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

## Customer Reviews

### ⭐⭐⭐⭐⭐ GREAT STUFF
*by S***E on December 17, 2025*

Great product always order the glue for this material. Order more than you think you need. Any thing left over make Great kneeling pad.

### ⭐⭐⭐⭐⭐ Excellent for insulating anything
*by I***. on December 25, 2025*

Got my cold weather insulation completed.

### ⭐⭐⭐⭐⭐ I am happy with the outcome using this product
*by M***E on July 7, 2023*

I used it to wrap a pvc pipe that was sweating in my closet. Worked out well.

## Frequently Bought Together

- K-Flex USA 6RSX3X4048 Insul-Sheet, 1/2" x 3' x 4', 12 sq. ft. Flat Sheet
- Semfeil Brew 1.5" Tri Clamp Bulkhead Fitting - 304 Stainless Steel Weldless Homebrew Kettle Pot
- FLEXFAB 1" 5526 BLUE SILICONE HI-TEMP HOSE (MADE IN USA) (1" x 5')

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

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

---

*Product available on Desertcart Kuwait*
*Store origin: KW*
*Last updated: 2026-02-13*