---
product_id: 29824375
title: "Hardcast 304099 Foil-Grip 1402 Mastic Duct Sealant 2\" x 100'"
brand: "hardcast"
price: "1956552₫"
currency: VND
in_stock: true
reviews_count: 12
category: "Hardcast"
url: https://www.desertcart.vn/products/29824375-hardcast-304099-foil-grip-1402-mastic-duct-sealant-2-x
store_origin: VN
region: Vietnam
---

# Instant water resistance 2" x 100' size 40-year durability Hardcast 304099 Foil-Grip 1402 Mastic Duct Sealant 2" x 100'

**Brand:** hardcast
**Price:** 1956552₫
**Availability:** ✅ In Stock

## Summary

> 🔧 Seal smarter, not harder — the ultimate ductwork game-changer!

## Quick Answers

- **What is this?** Hardcast 304099 Foil-Grip 1402 Mastic Duct Sealant 2" x 100' by hardcast
- **How much does it cost?** 1956552₫ with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.vn](https://www.desertcart.vn/products/29824375-hardcast-304099-foil-grip-1402-mastic-duct-sealant-2-x)

## Best For

- hardcast enthusiasts

## Why This Product

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

## Key Features

- • **Built to Last 40 Years:** Unmatched longevity for peace of mind in every seal
- • **Indoor & Outdoor Ready:** Reliable performance regardless of environment
- • **Versatile Surface Grip:** Adheres flawlessly to metal, PVC, duct board & more
- • **Instant Waterproof Seal:** Stops leaks on contact—no waiting, no mess
- • **Pressure Sensitive Ease:** Peel, stick, and seal—no drying time, no downtime

## Overview

Hardcast Foil-Grip 1402 is a premium 2" x 100' pressure-sensitive mastic duct sealant designed for indoor and outdoor use. Offering instant waterproof adhesion and a 40-year lifespan, it bonds securely to metal, PVC-coated ducts, flex board, and vapor barriers. This silver foil-printed tape delivers professional-grade airtight sealing without drying delays, making it the go-to solution for HVAC pros and DIYers aiming to optimize energy efficiency and indoor air quality.

## Description

Description: foil-grip 1402 is a pressure sensitive, 40-year cycle, duct joint and general Purpose rolled sealant it provides an instant water resistant grip to most surfaces including sheet metal, duct board, flex board, PVC coated duct, and duct wrap vapor barriers foil-grip 1402 is suitable for subgrade application on PVC coated duct product specifications Application indoor/outdoor carton Qty. 24 Description Silver foil grip — printed size 2"" X 100' Shipping weight 2.20 Shipping width 6.20 Shipping length 6.20 Shipping height 2.00 Instant adhesion indoor/outdoor true zero VOC metal & subgrade PVC ductwork all pressure classes 17-mil thickness

Review: Very sticky - Great price for how much you get. Very sticky. Easy to use. I use on my hvac registers after cleaning them up. Keeps attic air out. Seems like quality product. Very strong. Does its job by making an airtight seal.
Review: You found it - This is it, this is the good tape it doesn't get any better than this.

## Features

- Foil-grip 1402 is a pressure sensitive, 40-year cycle, duct joint and general purpose rolled sealant
- It provides an instant water resistant grip to most surfaces including sheet metal, duct board, flex board, PVC coated duct, and duct wrap vapor Barriers
- Foil-grip 1402 is suitable for subgrade application on PVC coated duct
- Printed; size: 2" X 100'; application: indoor/outdoor
- Instant adhesion

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B01FG847PY |
| Adhesive Format | roll |
| Adhesive Location | one_sided |
| Adhesive Side Count | 1 |
| Best Sellers Rank | #26,070 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #253 in Duct Tape |
| Brand | Hardcast |
| Brand Name | Hardcast |
| Color | Silver |
| Compatible Material | Metal, Polyvinyl Chloride |
| Configuration | Single Roll (2" x 100') |
| Customer Reviews | 4.8 out of 5 stars 308 Reviews |
| Foil Thickness | 17 Mils |
| Global Trade Identification Number | 00753970279401 |
| Included Components | sealant |
| Item Dimensions L x W x Thickness | 2"L x 2"W x 0.03"Th |
| Item Resistance | waterproof |
| Item Thickness | 0.02 Inches |
| Item Type Name | Hardcast FOIL-GRIP 1402 Mastic Duct Sealant 2" X 100' |
| Manufacturer | Hardcast |
| Material | Polyvinyl Chloride |
| Material Type | Polyvinyl Chloride |
| Model | 304099 |
| Number of Items | 1 |
| Other Special Features of the Product | Printed |
| Part Number | CECOMINOD078413 |
| Product Dimensions | 2"L x 2"W x 0.03"Th |
| Size Name | 2 inches x 100 feet |
| Special Feature | Printed |
| Surface Recommendation | Metal |
| UPC | 753970279401 |
| Unit Count | 1.0 Count |
| Water Resistance Level | Waterproof |

## Product Details

- **Brand:** Hardcast
- **Color:** Silver
- **Material:** Polyvinyl Chloride
- **Number of Items:** 1
- **Special Feature:** Printed

## Images

![Hardcast 304099 Foil-Grip 1402 Mastic Duct Sealant 2" x 100' - Image 1](https://m.media-amazon.com/images/I/618QX-k1kBL.jpg)
![Hardcast 304099 Foil-Grip 1402 Mastic Duct Sealant 2" x 100' - Image 2](https://m.media-amazon.com/images/I/41PH3S3TU7L.jpg)
![Hardcast 304099 Foil-Grip 1402 Mastic Duct Sealant 2" x 100' - Image 3](https://m.media-amazon.com/images/I/617XswFC+vL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Very sticky
*by R***. on September 10, 2025*

Great price for how much you get. Very sticky. Easy to use. I use on my hvac registers after cleaning them up. Keeps attic air out. Seems like quality product. Very strong. Does its job by making an airtight seal.

### ⭐⭐⭐⭐⭐ You found it
*by L***E on May 9, 2026*

This is it, this is the good tape it doesn't get any better than this.

### ⭐⭐⭐⭐⭐ It gives me options...
*by O***D on May 26, 2025*

So, I like using heavy mastic and a brush. I have quite a bit of ductwork in the attic to strip and mastic. The problem being, after brushing on mastic, I can't run the AC until it dries, basically by the next day. Well it was 100° here the other day. It hit 140° in my attic: measured, not estimated. Welcome to spring where I live. Basically that's 2 days of not running the AC to mastic ducts. Rough. Then it occurred to me. I had already ordered this mastic tape but hadn't been using it. I can mastic tape the seams, then go downstairs and run the AC. This has been life cha... ok, maybe not. But it has given me options I hadn't realized I had before. I don't have to check the weather reports and pray for a string of cool days in order to seal my ducts and not fry for 2 days for each section I do. The tape sticks very well. If it didn't, no one would buy it. Free the edge of the backing from the tape, measure out the tape against where you want to put it, and notch the edge with a razor blade. Peel the tape from the backing past the notch, then cut the tape where the notch is. Don't cut the backing! Eventually you'll end up with a long strip of backing. Trim it off, but Not even with the end of the tape. You always want some backing there past the end of the tape. The other way lies madness. You do not want to be in the dark attic, sweating, cursing, trying to get a corner of the tape started off the backing. I expect I'll need more of this tape. I'll still use buckets of mastic where necessary like on register boxes where I can't always reach where I need to get with tape, but this mastic tape has made it more convenient for me.

## Frequently Bought Together

- Hardcast 304099 Foil-Grip 1402 Mastic Duct Sealant 2" x 100'
- Nashua 365 Polyethylene Coated Cloth Professional Grade Duct Tape, 55m Length x 72mm Width, Metallic
- Rolled Mastic Duct Sealants Foils 3'' X100

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*Product available on Desertcart Vietnam*
*Store origin: VN*
*Last updated: 2026-06-05*