---
product_id: 33798932
title: "Tyvek Protec 120 Roof Underlayment 4' x 250' - 1 Roll"
brand: "tyvek"
price: "฿17955"
currency: THB
in_stock: true
reviews_count: 13
category: "Tyvek"
url: https://www.desertcart.co.th/products/33798932-tyvek-protec-120-roof-underlayment-4-x-250-1-roll
store_origin: TH
region: Thailand
---

# UV & moisture protection Class A fire rating 30-year limited warranty Tyvek Protec 120 Roof Underlayment 4' x 250' - 1 Roll

**Brand:** tyvek
**Price:** ฿17955
**Availability:** ✅ In Stock

## Summary

> 🏠 Elevate your roof game with Tyvek Protec 120 — where safety meets durability!

## Quick Answers

- **What is this?** Tyvek Protec 120 Roof Underlayment 4' x 250' - 1 Roll by tyvek
- **How much does it cost?** ฿17955 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.th](https://www.desertcart.co.th/products/33798932-tyvek-protec-120-roof-underlayment-4-x-250-1-roll)

## Best For

- tyvek enthusiasts

## Why This Product

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

## Key Features

- • **Built to Last:** Backed by a 30-year limited product replacement warranty for long-term peace of mind.
- • **Weather Warrior:** Up to 3 months of UV and moisture protection shields your roof during installation.
- • **Fire-Safe Confidence:** Class A fire rating per ASTM E108 keeps your project compliant and secure.
- • **Code-Approved Quality:** ICC-ES AC188 and Miami-Dade County approved for trusted, hassle-free compliance.
- • **Slip-Resistant Safety:** Industry-leading walkability and slip resistance for safer rooftop workdays.

## Overview

Tyvek Protec 120 is a premium synthetic roof underlayment measuring 4' x 250', designed for superior slip resistance and durability. It features a Class A fire rating, 30-year limited warranty, and up to 3 months of UV/moisture protection. Approved by ICC-ES AC188 and Miami-Dade County, it’s ideal for asphalt, cedar, or metal roofs with slopes 2:12 or greater, ensuring safer installation and long-lasting performance.

## Description

The Dupont Tyvek Protec 120 Roof Underlayment is a synthetic underlayment equipped with industry-leading walk-ability and slip resistance. The slip resistance material makes working on the rooftop much safer. Tyvek Protec 120 can be used under asphalt shingle, cedar or metal roofing with a slope of 2:12 or higher. This roofing underlayment is easy to chalk, wrinkle-free, and adds extra protection against moisture and UV exposure.

Review: Consistency - Better than tar paper trust me easy install.
Review: Durable - Excellent and had exactly the correct coverage. Very durable

## Features

- Class A fire rating per ASTM E108 30 year limited product replacement warranty
- Up to 3 months protection ICC-ES AC188 code approval
- Miami-Dade County Approved : 19-0109.07 10 square roll
- 4 feet x 250 feet 9.76 millimeters thick

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B01LW6OJAW |
| Batteries Included? | No |
| Batteries Required? | No |
| Customer Reviews | 4.8 4.8 out of 5 stars (179) |
| Date First Available | September 9, 2016 |
| Is Discontinued By Manufacturer | No |
| Item Package Quantity | 1 |
| Item Weight | 24.6 pounds |
| Item model number | 40360 |
| Manufacturer | Tyvek |
| Part Number | 40360 |
| Product Dimensions | 48.1 x 6.3 x 6.3 inches |

## Images

![Tyvek Protec 120 Roof Underlayment 4' x 250' - 1 Roll - Image 1](https://m.media-amazon.com/images/I/81XbQDKGsuL.jpg)

## Questions & Answers

**Q: Is this product waterproof?**
A: Yes, this underlayment is waterproof.

**Q: can this be used with concrete tile?**
A: I would not

**Q: Cuanto mide el rollo**
A: Hola,
Gracias por su pregunta sobre la base de techo Tyvek Protec 120. Este rollo tiene 250 pies de largo.
¡Gracias y que tengas un buen día!

**Q: What else is needed for installing tyvek protec underlayment ?**
A: I recommend roofing cap nails if your planing on walking on it.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Consistency
*by K***R on February 23, 2026*

Better than tar paper trust me easy install.

### ⭐⭐⭐⭐⭐ Durable
*by K***X on December 9, 2025*

Excellent and had exactly the correct coverage. Very durable

### ⭐⭐⭐⭐⭐ Good underlayment
*by M***T on November 26, 2025*

Really good stuff. Worth the additional cost if you want superior protection. Easy to work with and has plenty of marks to guide with keeping the shingles straight.

## Frequently Bought Together

- Tyvek Protec 120 Roof Underlayment 4' x 250' - 1 Roll
- Tyvek Sheathing Tape 1.88" x 164'
- (250 Pack) Round Plastic Cap Nail 1 Inch Roofing Nails Galvanized Tar Paper Nails for House Wrap Fastening Foam Board Roofing Felt Insulation Film (250)

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**Shop now:** [https://www.desertcart.co.th/products/33798932-tyvek-protec-120-roof-underlayment-4-x-250-1-roll](https://www.desertcart.co.th/products/33798932-tyvek-protec-120-roof-underlayment-4-x-250-1-roll)

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*Product available on Desertcart Thailand*
*Store origin: TH*
*Last updated: 2026-06-11*