---
product_id: 61723097
title: "Prosoco Cat 5 Air and Waterproof Barrier, 5 Gallon"
brand: "prosoco"
price: "$2672.99"
currency: USD
in_stock: true
url: https://www.desertcart.ec/products/61723097-prosoco-cat-5-air-and-waterproof-barrier-5-gallon
store_origin: EC
region: Ecuador
---

# 50–100 sq.ft. coverage per gallon Bonds & cures on damp/wet surfaces Durable, weatherproof membrane Prosoco Cat 5 Air and Waterproof Barrier, 5 Gallon

**Brand:** prosoco
**Price:** $2672.99
**Availability:** ✅ In Stock

## Summary

> 🛠️ Build smarter, weatherproof stronger — Prosoco’s got your back!

## Quick Answers

- **What is this?** Prosoco Cat 5 Air and Waterproof Barrier, 5 Gallon by prosoco
- **How much does it cost?** $2672.99 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ec](https://www.desertcart.ec/products/61723097-prosoco-cat-5-air-and-waterproof-barrier-5-gallon)

## 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

- • **Unmatched Durability:** Won't tear or degrade during construction exposure
- • **Eco-Safe & Solvent-Free:** No isocyanates or phthalates—safe for you and the environment
- • **Universal Compatibility:** Bonds to most building materials and sealants for a flawless barrier
- • **Breathable Yet Weatherproof:** Allows damp surfaces to dry while blocking air & water intrusion
- • **Effortless All-Climate Application:** Roll on seamlessly in any weather, no priming needed

## Overview

Prosoco Cat 5 is a professional-grade, fluid-applied air and waterproof barrier designed for easy roller application in all climates. It bonds and cures on damp or wet substrates without priming, creating a durable, breathable membrane that protects buildings during construction and beyond. Free from harmful solvents and chemicals, it covers up to 100 sq.ft. per gallon on smooth surfaces and is compatible with most sealants and building materials.

## Description

Full description not available

## Features

- Easy roller application in all climates.
- Breathable. Allows damp surfaces to dry.
- Solvent free. Isocyanate free. Phthalate free.
- Bonds and cures in wet weather and on damp substrates.
- Will not tear or lose effectiveness when exposed to weather during construction.
- Compatible with most sealants and waterproofing or air barrier components.
- Bonds to most common building materials without priming to produce a durable, weatherproof membrane. Easy to repair if damaged.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | Prosoco |
| Part Number | 70430-05GAL |
| Item Weight | 67 pounds |
| Product Dimensions | 13 x 13 x 16 inches |
| Item model number | PRS-70430-05GAL |
| Is Discontinued By Manufacturer | No |
| Color | Red |
| Material | Silyl-Terminated-Polymer (STP) |
| Item Package Quantity | 1 |
| Coverage | 50–100 sq.ft. per gallon on Smooth surfaces, less on porous materials such as CMU |
| Usage | Outside; Professional, Fluid Applied Air Weather Barrier |
| Batteries Included? | No |
| Batteries Required? | No |

## Images

![Prosoco Cat 5 Air and Waterproof Barrier, 5 Gallon - Image 1](https://m.media-amazon.com/images/I/31Dm4e2PKTL.jpg)

## Frequently Bought Together

- Prosoco Cat 5 Air and Waterproof Barrier, 5 Gallon
- PROSOCO FastFlash | Waterproof and Airtight Fluid-Applied Flashing Membrane - Trusted by Professionals
- Prosoco R-Guard Joint and Seam Filler

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**Shop now:** [https://www.desertcart.ec/products/61723097-prosoco-cat-5-air-and-waterproof-barrier-5-gallon](https://www.desertcart.ec/products/61723097-prosoco-cat-5-air-and-waterproof-barrier-5-gallon)

---

*Product available on Desertcart Ecuador*
*Store origin: EC*
*Last updated: 2026-02-25*