---
product_id: 653360770
title: "Rectorseal 66383 30-Ounce Cartridge Metacaulk Mc 150+ Firestop Sealant"
brand: "rectorseal"
price: "24952 Ft"
currency: HUF
in_stock: true
url: https://www.desertcart.hu/products/653360770-rectorseal-66383-30-ounce-cartridge-metacaulk-mc-150-firestop-sealant
store_origin: HU
region: Hungary
---

# Water resistant Fire protection Easy application Rectorseal 66383 30-Ounce Cartridge Metacaulk Mc 150+ Firestop Sealant

**Brand:** rectorseal
**Price:** 24952 Ft
**Availability:** ✅ In Stock

## Summary

> 🔥 Seal the Deal with Safety! 🔒

## Quick Answers

- **What is this?** Rectorseal 66383 30-Ounce Cartridge Metacaulk Mc 150+ Firestop Sealant by rectorseal
- **How much does it cost?** 24952 Ft with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hu](https://www.desertcart.hu/products/653360770-rectorseal-66383-30-ounce-cartridge-metacaulk-mc-150-firestop-sealant)

## 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

- • **Eco-Conscious Choice:** VOC compliant and safe for indoor use.
- • **Ultimate Fire Barrier:** Prevents fire, smoke, and water spread for up to 4 hours.
- • **Dynamic Movement Ready:** Cures to an elastomeric seal for flexible protection.
- • **Versatile Compatibility:** Works on various materials including metal, plastic, and cables.
- • **User-Friendly Installation:** No special skills needed; apply with standard tools.

## Overview

The 66383 30-Ounce Cartridge Metacaulk Mc 150+ Firestop Sealant by RectorSeal is a high-performance firestop solution designed to prevent the spread of fire, smoke, and water in construction joints and through penetrations. This easy-to-apply, water-based sealant is suitable for various materials and offers up to 4 hours of protection, making it an essential choice for professionals in HVAC, plumbing, and construction.

## Description

Rectorseal 66383 30-Ounce Cartridge Metacaulk Mc 150+ Firestop Sealant

## Features

- APPLICATION: Firestop sealant prevents the spread of fire, smoke, hot gasses, and water; for construction joints and through penetrations; can be used on metal, insulated pipe, fiberglass, plastic pipe, wall joint, power, telephone, and datacomm cables
- EASY INSTALLATION: Water based, non-sag caulking, grade heat resistant sealant that is easy to apply as well as retrofit; it cures to an elastomeric seal that is suitable where dynamic movement is expected; can be applied from a tube, sausage pack, or pail; is applied with a conventional caulking gun, bulk loading gun, or can be troweled from the pail
- SPECIFICATIONS: All systems rated for up to 4 hours as per ASTM E814 (UL1479) and ASTM E1966 (UL 2079) test standards; for temperature applications of 120 degrees fahrenheit; flexible barrier protection; interior use and paintable; excellent freeze-thaw caulk; VOC compliant
- CONVENIENT: No special skills required to apply firestop sealant; the sealant does not have to be pre-mixed
- FOR THE TRADESMAN: RectorSeal is recognized as a leading provider of quality solutions for the professional trades serving heating, ventilation, and air conditioning (HVAC/R), plumbing, electrical, and construction markets

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | The Rectorseal Corporation |
| Part number | 66383 |
| Item Weight | 1.06 Kilograms |
| Product Dimensions | 6.35 x 6.35 x 35.56 cm; 1.06 kg |
| Item model number | 66383 |
| Color | Red |
| Item Package Quantity | 1 |
| Temperature Range | 40- 120 Degrees Fahrenheit |
| Included components | Firestop Caulk |
| Batteries Required? | No |

## Product Details

- **Colour:** Red
- **Brand:** Rectorseal
- **Item weight:** 1.06 kg
- **Liquid volume:** 887 Milliliters
- **Item form:** Foam

## Images

![Rectorseal 66383 30-Ounce Cartridge Metacaulk Mc 150+ Firestop Sealant - Image 1](https://m.media-amazon.com/images/I/516YeuA8m3L.jpg)
![Rectorseal 66383 30-Ounce Cartridge Metacaulk Mc 150+ Firestop Sealant - Image 2](https://m.media-amazon.com/images/I/71keTz3xooL.jpg)
![Rectorseal 66383 30-Ounce Cartridge Metacaulk Mc 150+ Firestop Sealant - Image 3](https://m.media-amazon.com/images/I/81nzWR9YJwL.jpg)

## Frequently Bought Together

- Rectorseal 66383 30-Ounce Cartridge Metacaulk Mc 150+ Firestop Sealant
- 3M Fire Barrier Sealant CP 25WB+, Red Color, One-Component, Gun-Grade, Latex-Based, Intumescent Material, 10.1 fl oz Cartridge
- 3M Fire Block Foam FB-Foam, Orange Color, Ready-To-Use, In-Place, 12 fl oz Can

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**Shop now:** [https://www.desertcart.hu/products/653360770-rectorseal-66383-30-ounce-cartridge-metacaulk-mc-150-firestop-sealant](https://www.desertcart.hu/products/653360770-rectorseal-66383-30-ounce-cartridge-metacaulk-mc-150-firestop-sealant)

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*Product available on Desertcart Hungary*
*Store origin: HU*
*Last updated: 2026-01-27*