---
product_id: 482619718
title: "POLYGUARD WindowSeal Window and Door Flashing Tape, 4 in x 100 ft Roll, 20 mil Thick, Self-Sealing & Self-Adhering Waterproof Barrier"
brand: "polyguard"
price: "96987CFA"
currency: XOF
in_stock: true
category: "Polyguard"
url: https://www.desertcart.sn/products/482619718-polyguard-windowseal-window-and-door-flashing-tape-4-in-x
store_origin: SN
region: Senegal
---

# 20 mil waterproof barrier Works from 40°F to 120°F Self-adhering & nail-sealable POLYGUARD WindowSeal Window and Door Flashing Tape, 4 in x 100 ft Roll, 20 mil Thick, Self-Sealing & Self-Adhering Waterproof Barrier

**Brand:** polyguard
**Price:** 96987CFA
**Availability:** ✅ In Stock

## Summary

> 💪 Seal smart, build strong — don’t let leaks crash your project!

## Quick Answers

- **What is this?** POLYGUARD WindowSeal Window and Door Flashing Tape, 4 in x 100 ft Roll, 20 mil Thick, Self-Sealing & Self-Adhering Waterproof Barrier by polyguard
- **How much does it cost?** 96987CFA with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sn](https://www.desertcart.sn/products/482619718-polyguard-windowseal-window-and-door-flashing-tape-4-in-x)

## Best For

- polyguard enthusiasts

## Why This Product

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

## Key Features

- • **Built to Last:** Tear-resistant and crack-proof, it stands strong against structural shifts and extreme weather.
- • **All-Weather Warrior:** Reliable performance from chilly 40°F mornings to scorching 120°F afternoons—install with no worries.
- • **Pro-Grade Compliance:** AAMA 711 certified and proudly made in the USA for trusted, professional-grade durability.
- • **Watertight Confidence:** Self-sealing design ensures zero leaks around windows and doors, protecting your investment.
- • **Effortless Flexibility:** Conforms seamlessly to irregular shapes and porous surfaces for a flawless finish every time.

## Overview

POLYGUARD WindowSeal is a 4-inch by 100-foot roll of 20 mil thick, self-adhering flashing tape designed to create a waterproof barrier around windows, doors, and construction seams. Engineered with a rubberized asphalt core and polyethylene backing, it offers superior adhesion, nail sealability, and tear resistance. Certified to AAMA 711 standards and effective in temperatures from 40°F to 120°F, it’s the go-to solution for professional-grade weatherproofing in both indoor and outdoor applications.

## Description

POLYGUARD WindowSeal Window and Door Flashing Tape, 4 in x 100 ft Roll, 20 mil Thick, Self-Sealing & Self-Adhering Waterproof Barrier: desertcart.com: Tools & Home Improvement

## Features

- Waterproof Seal: Self-adhering design creates a watertight barrier for windows, doors, and seams
- Versatile Application: Ideal for flashing straight window frames, door frames, and construction seams
- Cold & Hot Climate Ready: Performs in temperatures from 40° F to 120° F; store in warm space before cold-weather installs
- Flexible Installation: Conforms to irregular shapes and uneven, porous substrates
- Nail Sealability: Forms a smooth, sealed surface around nails, staples, and fasteners
- Tear-Resistant Performance: Resists cracking and tearing from structural movement or extreme weather
- Verified Quality: AAMA 711 compliant; made in the USA for dependable building performance
- Rubberized Asphalt Construction: Features a self-adhering rubberized asphalt core with polyethylene backing for superior adhesion and durability

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0BH58K76P |
| Adhesive Format | Wide Roll |
| Adhesive Location | Single Sided |
| Adhesive Side Count | 1 |
| Best Sellers Rank | #100,161 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #36 in Roof Flashings |
| Brand | POLYGUARD |
| Brand Name | POLYGUARD |
| Color | White |
| Compatible Material | Wood |
| Customer Reviews | 4.3 out of 5 stars 204 Reviews |
| Foil Thickness | 20 Mils |
| Included Components | 1-Polyguard WindowSeal 4" x 100' Flashing Tape |
| Item Dimensions L x W x Thickness | 4"W |
| Item Resistance | waterproof |
| Item Thickness | 20 Mils |
| Lower Temperature Rating | 40 Degrees Fahrenheit |
| Manufacturer | POLYGUARD |
| Material | Polyethylene |
| Material Type | Polyethylene |
| Model | PW.WS.4.100 |
| Number of Items | 1 |
| Other Special Features of the Product | Waterproof |
| Part Number | PW.WS.4.100 |
| Recommended Uses For Product | Indoor, Outdoor |
| Size Name | 4" x 100' |
| Special Feature | Waterproof |
| Surface Recommendation | Wood, Vinyl, Metal |
| UPC | 655691510019 |
| Unit Count | 100.0 Feet |
| Upper Temperature Rating | 120 Degrees Fahrenheit |
| Water Resistance Level | Waterproof |

## Product Details

- **Brand:** POLYGUARD
- **Color:** White
- **Material:** Polyethylene
- **Number of Items:** 1
- **Recommended Uses For Product:** Indoor, Outdoor

## Images

![POLYGUARD WindowSeal Window and Door Flashing Tape, 4 in x 100 ft Roll, 20 mil Thick, Self-Sealing & Self-Adhering Waterproof Barrier - Image 1](https://m.media-amazon.com/images/I/61WR0zykyHL.jpg)
![POLYGUARD WindowSeal Window and Door Flashing Tape, 4 in x 100 ft Roll, 20 mil Thick, Self-Sealing & Self-Adhering Waterproof Barrier - Image 2](https://m.media-amazon.com/images/I/81H5TVDzoBL.jpg)
![POLYGUARD WindowSeal Window and Door Flashing Tape, 4 in x 100 ft Roll, 20 mil Thick, Self-Sealing & Self-Adhering Waterproof Barrier - Image 3](https://m.media-amazon.com/images/I/81GTIAVG77L.jpg)
![POLYGUARD WindowSeal Window and Door Flashing Tape, 4 in x 100 ft Roll, 20 mil Thick, Self-Sealing & Self-Adhering Waterproof Barrier - Image 4](https://m.media-amazon.com/images/I/81FaJKpWxhL.jpg)
![POLYGUARD WindowSeal Window and Door Flashing Tape, 4 in x 100 ft Roll, 20 mil Thick, Self-Sealing & Self-Adhering Waterproof Barrier - Image 5](https://m.media-amazon.com/images/I/81gxMhwCFZL.jpg)

## Available Options

This product comes in different **Size, Number Of Items** options.

## Questions & Answers

**Q: What is the primary purpose of this flashing tape?**
A: This flashing tape creates a watertight seal around windows, doors, & construction seams. It prevents water intrusion & protects against moisture buildup, ensuring durability and longevity in various construction & renovation projects.

**Q: How does the tape ensure a watertight seal?**
A: The tape features a rubberized asphalt coating laminated to a polyethylene film. Its self-adhering & self-sealing properties provide a smooth, waterproof barrier around nails, staples, and fasteners, effectively preventing leaks & moisture issues.

**Q: What temperature range is the tape suitable for?**
A: The tape is designed to perform optimally in temperatures ranging from 40°F to 120°F. It can be applied in cold conditions, down to 30°F, making it versatile for various climates & seasons.

**Q: Is the tape UV resistant?**
A: Yes, the tape is UV stable & can be exposed to sunlight for up to 30 days. However, to maintain its effectiveness, it should be covered or applied in areas with minimal UV exposure.

**Q: What surfaces can this tape be used on?**
A: This flashing tape adheres well to a variety of surfaces, including wood, vinyl, & metal. It is suitable for both indoor & outdoor applications, offering reliable protection across different materials.

## Frequently Bought Together

- POLYGUARD WindowSeal Window Flashing Tape, 20mil Thick. Waterproof, Self Adhering & Self Sealing. for Window and Door Frames (4" x 100')
- Fulton Long Handle J Roller with Thick Rubber Roller 1-1/2” in Diameter by 2-7/8” Wide For Veneers Laminate Wall Coverings and Edge Banding for Maximum Pressure Adhesion
- ZIP System Huber Stretch Tape | Self-Adhesive Flexible Flashing for Doors-Windows (3" x 20')

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**Shop now:** [https://www.desertcart.sn/products/482619718-polyguard-windowseal-window-and-door-flashing-tape-4-in-x](https://www.desertcart.sn/products/482619718-polyguard-windowseal-window-and-door-flashing-tape-4-in-x)

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*Product available on Desertcart Senegal*
*Store origin: SN*
*Last updated: 2026-07-21*