---
product_id: 313174733
title: "Window Weatherstrip Seal 1/4\" Bulb Bubble Kerf Mount 4 Colors & 6 Length Options (50', Tan)"
brand: "seal supply"
price: "R1311"
currency: ZAR
in_stock: true
reviews_count: 10
category: "Seal Supply"
url: https://www.desertcart.co.za/products/313174733-window-weatherstrip-seal-1-4-bulb-bubble-kerf-mount-4
store_origin: ZA
region: South Africa
---

# 6 length & 4 color options Standard 3/16” kerf fit OEM+ TPE durability Window Weatherstrip Seal 1/4" Bulb Bubble Kerf Mount 4 Colors & 6 Length Options (50', Tan)

**Brand:** seal supply
**Price:** R1311
**Availability:** ✅ In Stock

## Summary

> 🌬️ Seal the deal with style and efficiency!

## Quick Answers

- **What is this?** Window Weatherstrip Seal 1/4" Bulb Bubble Kerf Mount 4 Colors & 6 Length Options (50', Tan) by seal supply
- **How much does it cost?** R1311 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.za](https://www.desertcart.co.za/products/313174733-window-weatherstrip-seal-1-4-bulb-bubble-kerf-mount-4)

## Best For

- seal supply enthusiasts

## Why This Product

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

## Key Features

- • **Built to Last:** Crafted in the USA with premium Thermoplastic Elastomer (TPE) for superior weather resistance.
- • **Tailored to Your Style:** Choose from 4 versatile colors and 6 length options to perfectly match your windows.
- • **Effortless Installation:** Rigid kerf design cuts installation time by up to 40% compared to competitors.
- • **Precision Fit, Every Time:** Standard 3/16” kerf depth & 1/8” width ensures seamless installation.
- • **Ultimate Seal Performance:** 1/4" bulb diameter with 1/32" thickness delivers a tighter, energy-saving barrier.

## Overview

This Window Weatherstrip Seal features a 1/4" bulb diameter and a rigid kerf mount designed for quick, precise installation. Manufactured in the USA from high-grade Thermoplastic Elastomer (TPE), it offers superior durability and weather resistance. Available in 4 colors and 6 length options, it fits standard 3/16" kerf depths and 1/8" widths, making it the go-to choice for professional-grade window and door sealing.

## Description

Window Weatherstrip Seal 1/4" Bulb Bubble Kerf Mount 4 Colors & 6 Length Options (50', Tan) - desertcart.com

Review: Outstanding. - Took 1.5 hours to do 8 windows. Previous product (soft kerf) took 2.5 hours to do 4 windows. Very easy to install with rigid kerf. Also has a better seal than previous product. Ordered another 18'.
Review: Easy to use when replacing existing weather strips - Worked perfect when repairing our existing window sashes.

## Features

- Manufactured in USA from exceptional OEM+ quality Thermoplastic Elastomer (TPE)
- 6 Lengths and 4 Color choices to match most all applications
- Standard 3/16” Kerf depth and 1/8” Kerf width
- Most common 1/4" Bulb Diameter with 1/32" Material Thickness

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07GT7C3D9 |
| Assembled Diameter | 0.25 Inches |
| Batteries Included? | No |
| Batteries Required? | No |
| Best Sellers Rank | #38,323 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #260 in Weather Stripping |
| Brand | Seal Supply |
| Color | Tan |
| Customer Reviews | 4.5 4.5 out of 5 stars (495) |
| Cutting Diameter | 0.25 Inches |
| Date First Available | April 4, 2017 |
| Is Discontinued By Manufacturer | No |
| Item Thickness | 0.03 Inches |
| Item Weight | 10.2 ounces |
| Manufacturer | Seal Supply |
| Material | Thermoplastic Elastomer (TPE) |
| Number of Items | 1 |
| Part Number | KB1/4 |
| Product Dimensions | 0.13"W |
| Recommended Uses For Product | Windows,Window,Door |
| Size | 50 Feet |
| Unit Count | 50 Count |

## Product Details

- **Brand:** Seal Supply
- **Color:** Tan
- **Item Thickness:** 0.03 Inches
- **Material:** Thermoplastic Elastomer (TPE)
- **Product Dimensions:** 0.13"W

## Images

![Window Weatherstrip Seal 1/4" Bulb Bubble Kerf Mount 4 Colors & 6 Length Options (50', Tan) - Image 1](https://m.media-amazon.com/images/I/31Ro89zCHxL.jpg)
![Window Weatherstrip Seal 1/4" Bulb Bubble Kerf Mount 4 Colors & 6 Length Options (50', Tan) - Image 2](https://m.media-amazon.com/images/I/31pWhZzBE1L.jpg)
![Window Weatherstrip Seal 1/4" Bulb Bubble Kerf Mount 4 Colors & 6 Length Options (50', Tan) - Image 3](https://m.media-amazon.com/images/I/41cKR9CqPwL.jpg)
![Window Weatherstrip Seal 1/4" Bulb Bubble Kerf Mount 4 Colors & 6 Length Options (50', Tan) - Image 4](https://m.media-amazon.com/images/I/51SjIxS7YCL.jpg)
![Window Weatherstrip Seal 1/4" Bulb Bubble Kerf Mount 4 Colors & 6 Length Options (50', Tan) - Image 5](https://m.media-amazon.com/images/I/7124oqwVvuL.jpg)

## Available Options

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

## Customer Reviews

### ⭐⭐⭐⭐⭐ Outstanding.
*by A***R on January 17, 2026*

Took 1.5 hours to do 8 windows. Previous product (soft kerf) took 2.5 hours to do 4 windows. Very easy to install with rigid kerf. Also has a better seal than previous product. Ordered another 18'.

### ⭐⭐⭐⭐⭐ Easy to use when replacing existing weather strips
*by R***L on December 27, 2025*

Worked perfect when repairing our existing window sashes.

### ⭐⭐⭐⭐⭐ Excellent Quality
*by R***K on January 6, 2026*

Excellent Quality. Love the stiff channel insert for easy installation. The bubble is strong and pliable. The best that I have used.

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**Shop now:** [https://www.desertcart.co.za/products/313174733-window-weatherstrip-seal-1-4-bulb-bubble-kerf-mount-4](https://www.desertcart.co.za/products/313174733-window-weatherstrip-seal-1-4-bulb-bubble-kerf-mount-4)

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*Product available on Desertcart South Africa*
*Store origin: ZA*
*Last updated: 2026-02-15*