---
product_id: 44162873
title: "Urethane Seam Sealer, 08367, Black Color, High Solids, Permanently Flexible, 310 mL/10.5 fl oz Cartridge"
brand: "3m"
price: "€ 57.86"
currency: EUR
in_stock: true
reviews_count: 8
url: https://www.desertcart.com.cy/products/44162873-urethane-seam-sealer-08367-black-color-high-solids-permanently-flexible
store_origin: CY
region: Cyprus
---

# Moisture curing excels in heat & humidity Single-component formula for versatile adhesion Non-shrinking, permanently flexible seal Urethane Seam Sealer, 08367, Black Color, High Solids, Permanently Flexible, 310 mL/10.5 fl oz Cartridge

**Brand:** 3m
**Price:** € 57.86
**Availability:** ✅ In Stock

## Summary

> 🛡️ Seal with confidence, flex with style!

## Quick Answers

- **What is this?** Urethane Seam Sealer, 08367, Black Color, High Solids, Permanently Flexible, 310 mL/10.5 fl oz Cartridge by 3m
- **How much does it cost?** € 57.86 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.cy](https://www.desertcart.com.cy/products/44162873-urethane-seam-sealer-08367-black-color-high-solids-permanently-flexible)

## Best For

- 3m enthusiasts

## Why This Product

- Trusted 3m brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Fast-Track Your Finish:** Paint-ready in just 30-45 minutes, accelerating your project timeline.
- • **Flexibility That Lasts:** Non-shrinking and non-cracking formula maintains permanent flexibility—no compromises.
- • **Thick & Smooth Application:** High solids and thick consistency fill large gaps and featheredge smoothly for a flawless seal.
- • **Built to Brave the Elements:** Moisture curing technology ensures peak performance even in high heat and humidity environments.
- • **Effortless Multi-Surface Bonding:** Adheres seamlessly to bare, primed, and painted metals for ultimate versatility.

## Overview

3M Urethane Seam Sealer 08367 is a high-solids, black urethane sealant in a 310 mL cartridge, designed for permanent flexibility and superior adhesion to metal surfaces. Its moisture-curing formula withstands heat and humidity, resists shrinking and cracking, and allows painting within 45 minutes, making it the professional’s go-to for durable, flawless seam sealing.

## Description

"3M Urethane Seam Sealer 08367 is a high-solids seam sealer ideal for sealing automotive and RV seams and joints. It adheres well to bare metal, primed metal and painted surfaces, and if desired can be smoothed to a featheredge and/or brushed. Tack free and paintable after 30-45 minutes, this urethane formula is permanently flexible and offers superior performance to solvent-based sealers. Cure Time: 24 Hours Work Time: 10 Minutes".

## Features

- SINGLE COMPONENT FORMULA: Adheres well to bare metal, primed metal and painted surfaces
- MOISTURE CURING PROPERTY: Provides excellent performance in high heat and humidity environments
- NON-SHRINKING, NON-CRACKING: Remains flexible and offers superior results to solvent-based sealers
- QUICK PAINTABILITY: Allows painting after 30-45 minutes
- THICK CONSISTENCY: Fills large voids and can be smoothed to a featheredge or brushed

## Product Details

- **Material:** solid
- **Brand:** 3M
- **Style:** Cartridge
- **Item Weight:** 0.42 Pounds
- **Item dimensions L x W x H:** 9 x 2 x 2 inches

## Images

![Urethane Seam Sealer, 08367, Black Color, High Solids, Permanently Flexible, 310 mL/10.5 fl oz Cartridge - Image 1](https://m.media-amazon.com/images/I/61RpJfKXE-L.jpg)

## Available Options

This product comes in different **Color, Size, Style** options.

## Questions & Answers

**Q: Does it come with the plastic nozzle?**
A: No! I ordered 3 tubes and no nozzle. I wish I’d have known that before ordering.

**Q: Can you sand it?**
A: Thank you for your question. We like to know more details regarding your application. When sanding is involved this imposes possibility of exposed metal causing corrosion/rust.  Please contact us at 877-666-2277 option 2 to discuss your application.

**Q: What chemical can be used on it to “smooth” after applying?**
A: Thank you for your question! You can tool the 3M 08367 Urethane Seam Sealer with water or mild solvent such as a pre-cleaner. Do not tool with any alcohol containing solvents, they will stop the curing process of the seam sealer.

**Q: Is the tube made of plastic or thin steel ?**
A: Thank you for your question! The 3M 08367 Urethane Seam Sealer is packaged in a thin metal cartridge.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Top-Notch 3M Urethane Seam Sealer for Car Repairs
*by A***S on June 26, 2025*

This 3M Urethane Seam Sealer is an absolute game-changer for anyone doing car repairs. 🚗 The black color is sleek, and the high solids formula ensures a sturdy hold. What I love most is how it's permanently flexible, so I don't have to worry about cracks or peeling over time. The 310 mL/10.5 fl oz cartridge is also super convenient to use.Highly recommend this product if you want a reliable and long-lasting solution for sealing seams on your vehicle. It's perfect for DIY enthusiasts and professionals alike. The only downside is the price, but considering the quality and performance, it's totally worth it. 🔧💪 Don't hesitate to grab one of these if you're serious about maintaining your car in top condition! 🌟

### ⭐⭐⭐⭐⭐ Excellent Coverage and Flexibility
*by R***Z on April 17, 2025*

Used this to seal body panel seams on my project car—great consistency and easy to tool. The black finish blends in nicely and doesn’t crack or peel over time. Holds up well against vibration and moisture. Reliable product that delivers professional-grade sealing performance.

### ⭐⭐⭐⭐⭐ Great sealer
*by L***E on July 23, 2025*

Easy to work with and bonds well.

## Frequently Bought Together

- 3M Urethane Seam Sealer, 08367, Black Color, High Solids, Permanently Flexible, 310 mL/10.5 fl oz Cartridge
- 3M Panel Bonding Adhesive 08115, OEM Recommended Two-Part Epoxy, 200 mL Cartridge, Bonds Metal & Composites for Auto Body Panel Repair (1 Cartridge)
- 3M Heavy-Bodied Seam Sealer, 08308, Two-Part, Self-Mixing, Automotive Epoxy, 200 ml/6.75 fl oz Cartridge , Black

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*Product available on Desertcart Cyprus*
*Store origin: CY*
*Last updated: 2026-01-24*