---
product_id: 42792431
title: "No. 7 Mastic® Premium Air Duct Sealing Kit Grey"
brand: "rcd corporation"
price: "AR$157782"
currency: ARS
in_stock: true
url: https://www.desertcart.com.ar/products/42792431-no-7-mastic-premium-air-duct-sealing-kit-grey
store_origin: AR
region: Argentina
---

# Water borne Flexible seal 915ml sealant No. 7 Mastic® Premium Air Duct Sealing Kit Grey

**Brand:** rcd corporation
**Price:** AR$157782
**Availability:** ✅ In Stock

## Summary

> Seal it, don’t feel it! 🔒

## Quick Answers

- **What is this?** No. 7 Mastic® Premium Air Duct Sealing Kit Grey by rcd corporation
- **How much does it cost?** AR$157782 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.ar](https://www.desertcart.com.ar/products/42792431-no-7-mastic-premium-air-duct-sealing-kit-grey)

## Best For

- rcd corporation enthusiasts

## Why This Product

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

## Key Features

- • **Quick Drying:** Experience rapid drying for immediate results and minimal downtime.
- • **Seal the Deal:** Achieve a professional-grade seal with No. 7 Mastic's premium formula.
- • **Low Odor Formula:** Enjoy a pleasant working environment with our low odor, water-based sealant.
- • **Weather Resistant:** Ensure durability and performance in any climate with our weather-resistant properties.
- • **Non-Flammable Safety:** Work with peace of mind knowing our sealant is non-flammable and safe to use.

## Overview

The No. 7 Mastic® Premium Air Duct Sealing Kit includes a 915ml can of high-quality air duct sealant, a 2-inch mastic brush, a can opener, and a red shop towel. This premium sealant dries quickly to form a tough, flexible seal that is water borne, low odor, weather resistant, and non-flammable, making it ideal for both professional and DIY applications.

## Description

Full description not available

## Features

- Kit Includes: No. 7 Mastic (1 can 915ml)
- 2 inch Mastic Brush (1 ea.), Can Opener (1 ea.)
- Red Shop Towel (1 ea.)
- RCD Corporation No.7 Mastic is a premium grade air duct sealant that dries quickly to a tough flexible seal.
- Water Borne, Low Odor, Weather Resistant, Non-Flammable

## Product Details

- **Material:** Water-Based Polymer Sealant/Adhesive
- **Brand:** RCD Corporation
- **Style:** Thermal
- **Item Weight:** 1.8 Pounds
- **Item dimensions L x W x H:** 6 x 5 x 5 inches

## Images

![No. 7 Mastic® Premium Air Duct Sealing Kit Grey - Image 1](https://m.media-amazon.com/images/I/61fpcKoEmOL.jpg)

## Questions & Answers

**Q: Dry time?**
A: Joe, Thank you for your interest in #7 Mastic.
To answer your question, 5-12 hours dry time depending upon temperature, humidity, and application rate. 
Below are a couple of links with more info on the #7 Mastic.
https://www.rcdmastics.com/products/7-mastic.html
https://www.rcdmastics.com/images/PDFs/Product-Data-Sheets/RCD_7_Mastic-PDS-010119.pdf

---

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**Shop now:** [https://www.desertcart.com.ar/products/42792431-no-7-mastic-premium-air-duct-sealing-kit-grey](https://www.desertcart.com.ar/products/42792431-no-7-mastic-premium-air-duct-sealing-kit-grey)

---

*Product available on Desertcart Argentina*
*Store origin: AR*
*Last updated: 2026-05-24*