---
product_id: 14992373
title: "Sashco-30501 Pre-Caulking Filler Rope Backer Rod, 1/2-Inch x 100-Feet, Grey"
brand: "sashco"
price: "¥12672"
currency: JPY
in_stock: true
url: https://www.desertcart.jp/products/14992373-sashco-30501-pre-caulking-filler-rope-backer-rod-1-2
store_origin: JP
region: Japan
---

# Closed-cell water-resistant design 100 feet continuous length Sashco-30501 Pre-Caulking Filler Rope Backer Rod, 1/2-Inch x 100-Feet, Grey

**Brand:** sashco
**Price:** ¥12672
**Availability:** ✅ In Stock

## Summary

> 💼 Seal smarter, save bigger — the pro’s choice for lasting joints!

## Quick Answers

- **What is this?** Sashco-30501 Pre-Caulking Filler Rope Backer Rod, 1/2-Inch x 100-Feet, Grey by sashco
- **How much does it cost?** ¥12672 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/14992373-sashco-30501-pre-caulking-filler-rope-backer-rod-1-2)

## Best For

- sashco enthusiasts

## Why This Product

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

## Key Features

- • **Flexible Fit:** Soft, pliable material easily conforms to any joint shape for seamless application.
- • **Seal Like a Pro:** Creates durable, professional-grade joints that last through seasons.
- • **Waterproof Shield:** Closed-cell foam repels water, protecting joints from damage and decay.
- • **Maximize Efficiency:** Fills gaps perfectly to reduce caulk usage and save costs.
- • **Universal Compatibility:** Works flawlessly with all substrates and sealants for versatile use.

## Overview

Sashco-30501 Pre-Caulking Filler Rope Backer Rod is a 1/2-inch diameter, 100-foot long grey polyurethane foam rod designed to fill and insulate large caulk joints. Its closed-cell, water-resistant design protects joints from moisture damage while reducing caulk usage. Soft and pliable, it fits easily into joints and is compatible with all substrates and sealants, making it a trusted solution for professional and DIY sealing projects.

## Description

Product Description Sashco Pre-Caulking Filler Rope Backer Rod, 1/2-Inch x 100-Feet, Grey From the Manufacturer Sashco Sealants 30501 Pre-Caulking Filler Rope (Backer Rod)

## Features

- Makes professional joints that last
- Helps fill in and insulate large caulk joints and allows the caulking to absorb more movement
- Closed cell design repels water to help protect the joint from damage
- Complies with ASTM C 1330, Type C
- Measures 1/2-inches diameter by 100-feet length
- Easy to fit - soft and pliable so it fits into the joint easily
- Water resistant - unlike open cell backer rod, it repels water to help protect the joint from damage
- Fills the joint so you use less caulk
- Fully compatible with all substrates and sealants

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Asin | B000DZHF5K |
| Best Sellers Rank | #145,880 in Industrial & Scientific (See Top 100 in Industrial & Scientific) #339 in Adhesive Caulk |
| Brand Name | Sashco |
| Color | Grey |
| Customer Reviews | 4.6 4.6 out of 5 stars (381) 4.6 out of 5 stars |
| Global Trade Identification Number | 00031525305011 |
| Included Components | Building Materials & Ladders;Raw Building Materials;concretes |
| Item Form | Strip |
| Item Type Name | Pre-Caulking Filler Rope Backer Rod Roll |
| Item Weight | 3.84 ounces |
| Manufacturer | SASHCO |
| Material Type | Polyurethane |
| Maximum Gap Fill | 0.5 inches |
| Model | 30501 |
| Number Of Items | 1 |
| Number Of Packs | 1 |
| Part Number | 30501 |
| Surface Recommendation | surface_recommendation |
| Unit Count | 1 Count |
| Upc | 031525305011 |
| Water Resistance Level | Water Resistant |

## Product Details

- **Brand:** Sashco
- **Color:** Grey
- **Item Form:** item_form
- **Item Weight:** 3.84 ounces
- **Maximum Gap Fill:** 0.5 Inches

## Images

![Sashco-30501 Pre-Caulking Filler Rope Backer Rod, 1/2-Inch x 100-Feet, Grey - Image 1](https://m.media-amazon.com/images/I/716uciyptIL.jpg)
![Sashco-30501 Pre-Caulking Filler Rope Backer Rod, 1/2-Inch x 100-Feet, Grey - Image 2](https://m.media-amazon.com/images/I/7103eOhHZBL.jpg)
![Sashco-30501 Pre-Caulking Filler Rope Backer Rod, 1/2-Inch x 100-Feet, Grey - Image 3](https://m.media-amazon.com/images/I/71-r7Kdkb5L.jpg)

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**Shop now:** [https://www.desertcart.jp/products/14992373-sashco-30501-pre-caulking-filler-rope-backer-rod-1-2](https://www.desertcart.jp/products/14992373-sashco-30501-pre-caulking-filler-rope-backer-rod-1-2)

---

*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-10-20*