---
product_id: 20174839
title: "Prosoco R-Guard Joint and Seam Filler"
brand: "prosoco"
price: "30.10 OMR"
currency: OMR
in_stock: true
category: "Prosoco"
url: https://www.desertcart.com.om/products/20174839-prosoco-r-guard-joint-and-seam-filler
store_origin: OM
region: Oman
---

# Water-resistant formula 4-hour full cure time 0.5-inch max gap fill Prosoco R-Guard Joint and Seam Filler

**Brand:** prosoco
**Price:** 30.10 OMR
**Availability:** ✅ In Stock

## Summary

> 🧱 Seal smart, build strong — the pro’s choice for flawless joints!

## Quick Answers

- **What is this?** Prosoco R-Guard Joint and Seam Filler by prosoco
- **How much does it cost?** 30.10 OMR with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.om](https://www.desertcart.com.om/products/20174839-prosoco-r-guard-joint-and-seam-filler)

## Best For

- prosoco enthusiasts

## Why This Product

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

## Key Features

- • **Trusted by Pros:** Recommended by industry experts like Matt Risinger for reliable sealing
- • **Fast & Efficient:** Cures fully in just 4 hours to keep your project on schedule
- • **All-Weather Ready:** Water-resistant and terracotta-colored for lasting, visible quality
- • **Seamless Strength:** High-modulus STPE formula bridges gaps with durable flexibility
- • **Precision Application:** Gun-grade paste with fiber reinforcement for easy spreading and tooling

## Overview

Prosoco R-Guard Joint and Seam Filler is a premium, single-component STPE paste designed to fill and reinforce open joints, seams, and cracks up to 0.5 inches. It combines silicone and polyurethane benefits for a flexible, durable seal that cures in 4 hours and resists water, making it ideal for prepping walls before applying air and water barriers. Trusted by professionals and easy to apply with a gun-grade consistency, it ensures long-lasting protection and seamless transitions in new or existing wall assemblies.

## Description

Buy Prosoco R-Guard Joint and Seam Filler: Joint Sealants - desertcart.com ✓ FREE DELIVERY possible on eligible purchases

## Features

- Utilize Joint & Seam Filler to prepare open joints, seams and cracks before installing R-GUARD FastFlash; any R-GUARD Primary Air & Water-Resistive Barrier; or other waterproofing and air barrier components in new or existing wall assemblies.
- Joint & Seam Filler is a high modulus, gun-grade crack and joint filler, adhesive and detailing compound that combines the best of silicone and polyurethane properties.
- This single-component, fiber-reinforced, Silyl-Terminated-Poly-Ether (STPE) is easy to gun, spread and tool.
- Use Joint & Seam Filler to fill openings and create transitions where flexible reinforcement is required to bridge gaps and provide continuous support of fluid-applied flashing membranes, waterproofing or air barrier components.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B00OBUXCJ6 |
| Best Sellers Rank | #64,804 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #73 in Industrial Joint Sealants |
| Brand Name | Prosoco |
| Customer Reviews | 4.6 4.6 out of 5 stars (158) |
| Full Cure Time | 4 hours |
| Item Form | Paste |
| Item Weight | 2 pounds |
| Manufacturer | Prosoco |
| Material Type | Silyl-Terminated-Poly-Ether (STPE) |
| Maximum Gap Fill | 0.5 inches |
| Model | 5824052562 |
| Number of Items | 1 |
| Part Number | 70410 |
| Surface Recommendation | Walls |
| UPC | 653429020212 |
| Unit Count | 20 Ounce |
| Water Resistance Level | Water Resistant |

## Product Details

- **Brand:** Prosoco
- **Full Cure Time:** 4 hours
- **Item Form:** Paste
- **Item Weight:** 2 pounds
- **Maximum Gap Fill:** 0.5 inches

## Images

![Prosoco R-Guard Joint and Seam Filler - Image 1](https://m.media-amazon.com/images/I/51cc2sLofaL.jpg)
![Prosoco R-Guard Joint and Seam Filler - Image 2](https://m.media-amazon.com/images/I/411giFgdM1L.jpg)
![Prosoco R-Guard Joint and Seam Filler - Image 3](https://m.media-amazon.com/images/I/61-otzayO1L.jpg)
![Prosoco R-Guard Joint and Seam Filler - Image 4](https://m.media-amazon.com/images/I/71PSiLm4RVL.jpg)

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---

*Product available on Desertcart Oman*
*Store origin: OM*
*Last updated: 2026-10-14*