---
product_id: 725124157
title: "Rectorseal 81880 1-pound Duct Seal Composite"
brand: "rectorseal"
price: "198.44 DT"
currency: TND
in_stock: true
category: "Rectorseal"
url: https://www.desertcart.tn/products/725124157-rectorseal-81880-1-pound-duct-seal-composite
store_origin: TN
region: Tunisia
---

# Air & watertight seal Works from 25°F to 120°F 1 lb versatile putty Rectorseal 81880 1-pound Duct Seal Composite

**Brand:** rectorseal
**Price:** 198.44 DT
**Availability:** ✅ In Stock

## Summary

> 🔧 Seal smarter, not harder — the duct seal that works as hard as you do!

## Quick Answers

- **What is this?** Rectorseal 81880 1-pound Duct Seal Composite by rectorseal
- **How much does it cost?** 198.44 DT with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/725124157-rectorseal-81880-1-pound-duct-seal-composite)

## Best For

- rectorseal enthusiasts

## Why This Product

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

## Key Features

- • **Safe & Smart:** Non-toxic, asbestos-free formula that won’t corrode metal or irritate skin—professional grade peace of mind.
- • **Mold It Your Way:** Soft, reusable putty that adapts to any shape for perfect sealing every time.
- • **Temperature Tough:** Applies easily by hand in a wide range of temps (25°F–120°F) so you’re ready for any job.
- • **Seal Out the Elements:** Creates a reliable air and water-resistant barrier, protecting your HVAC, plumbing, and electrical systems.
- • **Trusted Industry Standard:** From HVAC pros to home DIYers, RectorSeal’s quality is backed by 1,400+ rave reviews and decades of expertise.

## Overview

RectorSeal 81880 is a 1-pound, gray, non-toxic duct seal putty designed for professional HVAC, plumbing, and electrical applications. It forms a flexible, reusable, air- and water-tight seal that resists water, alcohol, and mild acids/bases without corroding metal or irritating skin. Easy to apply by hand between 25°F and 120°F, this asbestos-free compound is trusted by industry pros and DIYers alike for reliable, versatile sealing on various clean, dry surfaces.

## Description

RectorSeal Duct Seal Compound is a grey, soft, non-toxic, putty type compound that adheres to most clean, dry surfaces. Duct sealant compound like putty is easy to use and can be applied by hand from -3.9 °C to 100 °F. Duct Seal creates an air/water tight seal. Resistant to water, alcohol, weak acid and bases Duct seal compound is asbestos free. It will not scratch plastic material, corrode metal or adversely affect human skin. Duct Seal Compound; Grey Color and Putty Like ; Non-Corrosive and Non-Irritating Can be manually shaped to any shape and reused as needed. Many uses for HVAC/R, plumbing, metalwork, and great general purpose sealant throughout the home. Ready to apply and will not bleed through dry paint film. For merchants: RectorSeal is recognized as a leading provider of high quality solutions for professional industries that provide service to the Heater, Ventilation, Air Conditioning (HVAC/R), Plumbing, Electrical and Construction markets.

## Features

- USES: Rectorseal Duct Seal Compound is a grey, soft, non-toxic, putty type compound that adheres to most clean and dry surfaces. Duct seals are hand molded to any shape and can be reused if needed
- EASY TO USE: The duct sealant compound like putty is easy to use and can be applied by hand from 25 degrees to 120 degrees Fahrenheit. Applies to electrical conduit ends and boxes, flashing, service master entries
- Excellent formula: duct seal creates an air and watertight seal; resistant to water, alcohol, gentle acid and base; duct seal compound is asbestofree; will not scratch plastic materials, corrode metal or cause adverse effects on human skin
- Specifications: Duct Seal Compound; Gray Color and Putty Like ; Non-Corrosive and Non-Irritating; Can be manually shaped to any shape and reused as needed, many uses for hvac/r, plumbing, metalwork, and great general purpose sealant around the home
- For merchants: RectorSeal is recognized as a leading provider of high quality solutions for professional industries that provide service to the Heater, Ventilation, Air Conditioning (HVAC/R), Plumbing, Electrical and Construction markets

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B008A3UG94 |
| Brand Name | Rectorseal |
| Color | gray |
| Compatible Material | Metal |
| Customer Reviews | 4.7 4.7 out of 5 stars (1,453) |
| Global Trade Identification Number | 00021449818803 |
| Item Dimensions | 16.5 x 7.6 x 7.6 cm |
| Item Form | Liquid |
| Manufacturer | The Rectorseal Corporation |
| Material Type | putty |
| Model | 81880 |
| Number of Items | 1 |
| Part Number | 81880 |
| Style Name | 1 lb |
| Surface Recommendation | Various Surfaces |
| UPC | 021449818803 |
| Unit Count | 1.0 Count |
| Water Resistance Level | Water Resistant |

## Product Details

- **Brand:** Rectorseal
- **Item dimensions L x W x H:** 16.5 x 7.6 x 7.6 cm
- **Material:** putty
- **Style:** 1 lb
- **Water Resistance Level:** Water Resistant

## Images

![Rectorseal 81880 1-pound Duct Seal Composite - Image 1](https://m.media-amazon.com/images/I/51CWERSfKML.jpg)
![Rectorseal 81880 1-pound Duct Seal Composite - Image 2](https://m.media-amazon.com/images/I/61uaHhHi9ML.jpg)
![Rectorseal 81880 1-pound Duct Seal Composite - Image 3](https://m.media-amazon.com/images/I/81EGCVGYIXL.jpg)
![Rectorseal 81880 1-pound Duct Seal Composite - Image 4](https://m.media-amazon.com/images/I/91v-rpEPXCL.jpg)

## Questions & Answers

**Q: Is it paintable?**
A: Cannot say. I bought it as a waterproof sealant and for this purpose it works perfectly.

**Q: Is this for 1 lb? Or for 10?**
A: 1 Lb. Was more than enough with plenty left over for other jobs

**Q: Can this be used to patch a hole in the wall around stove gas pipe?**
A: Are you talking about a gas line coming into the stove, I’d say yes it can be. If you’re talking about the actual stove pipe that gets hot then no.

**Q: Would this work to fill a 2 inch hole with electrical wires coming through it that is immersed in hot water?**
A: Yes, the only limit to this material is your wallet and imagination,

## Frequently Bought Together

- Rectorseal 81880 1-Pound Duct Seal Compound Gray
- Shurtape LS 300 HVAC Line Set Tape, 55m Length x 48mm Width, Black (Pack of 1)
- 3/4" x 6 ft. Elastomeric Pipe Insulation, 1/2" Wall

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.tn/products/725124157-rectorseal-81880-1-pound-duct-seal-composite](https://www.desertcart.tn/products/725124157-rectorseal-81880-1-pound-duct-seal-composite)

---

*Product available on Desertcart Tunisia*
*Store origin: TN*
*Last updated: 2026-06-04*