---
product_id: 155770800
title: "PU18 Black Polyurethane Sealant Adhesive Strong Flexible for Construction, Auto and Marine Applications. Non Shrinking High Grab Suitable for Expansion Joints Paintable by Bond-It"
brand: "bond-it"
price: "€ 20.21"
currency: EUR
in_stock: true
reviews_count: 1
category: "Bond It"
url: https://www.desertcart.pt/products/155770800-pu18-black-polyurethane-sealant-adhesive-strong-flexible-for-construction-auto
store_origin: PT
region: Portugal
---

# Marine-grade flexibility Sleek black finish High grab adhesion PU18 Black Polyurethane Sealant Adhesive Strong Flexible for Construction, Auto and Marine Applications. Non Shrinking High Grab Suitable for Expansion Joints Paintable by Bond-It

**Brand:** bond-it
**Price:** € 20.21
**Availability:** ✅ In Stock

## Summary

> 🖤 Seal it strong, seal it smart — the black adhesive that never quits!

## Quick Answers

- **What is this?** PU18 Black Polyurethane Sealant Adhesive Strong Flexible for Construction, Auto and Marine Applications. Non Shrinking High Grab Suitable for Expansion Joints Paintable by Bond-It by bond-it
- **How much does it cost?** € 20.21 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.pt](https://www.desertcart.pt/products/155770800-pu18-black-polyurethane-sealant-adhesive-strong-flexible-for-construction-auto)

## Best For

- bond-it enthusiasts

## Why This Product

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

## Key Features

- • **Flexible Durability:** Engineered to flex with expansion joints, ensuring long-lasting seals in construction, automotive, and marine environments.
- • **Paint-Ready Surface:** Seamlessly paint over the sealant to match your project’s aesthetic without compromising adhesion.
- • **Unmatched Grip Power:** Experience superior high grab adhesion that locks surfaces instantly, eliminating messy drips and repositioning.
- • **Non-Shrinking Formula:** Maintains volume and integrity over time—no cracks, no gaps, just flawless protection.
- • **Versatile Application:** From building sites to boats and vehicles, PU18 adapts effortlessly to your toughest sealing challenges.

## Overview

PU18 Black Polyurethane Sealant Adhesive delivers a high-grab, non-shrinking, flexible seal ideal for construction, automotive, and marine use. Its paintable black finish and superior elasticity make it perfect for expansion joints and demanding environments, ensuring durable, professional-grade results every time.

## Description

BOND-IT PU18 BLACK Polyurethane Sealant Adhesive;PU18 produces tough, elastic seals and joints with excellent adhesion characteristics;Over paintable , non shrinking;Incredible grab / adhesion;Suitable for building work, auto/ vehicle applications, and marine industry

Review: Bad listing - Beware! Only includes 1 item not 3 even though 3 tubes are shown on the listing. Product also came slightly damaged. Despite the above, the quality of product does seem to be good.

## Features

- PU18 Black Polyurethane Sealant Adhesive Strong Flexible for Construction, Auto and Marine applications. Non Shrinking High Grab Suitable for Expansion Joints . Paintable .

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B01N3AUUBR |
| Best Sellers Rank | 92,675 in DIY & Tools ( See Top 100 in DIY & Tools ) 359 in Universal Adhesives |
| Colour | Black |
| Customer Reviews | 5.0 5.0 out of 5 stars (8) |
| Date First Available | 14 Feb. 2017 |
| Item model number | 0364519 |
| Other display features | Wireless |
| Special features | High Grab, Non Shrinking |

## Product Details

- **Brand:** Bond-It
- **Specific uses for product:** Construction, Auto, Marine, Expansion Joints
- **Material:** Polyurethane
- **Item form:** Paste
- **Special feature:** High Grab, Non Shrinking

## Images

![PU18 Black Polyurethane Sealant Adhesive Strong Flexible for Construction, Auto and Marine Applications. Non Shrinking High Grab Suitable for Expansion Joints Paintable by Bond-It - Image 1](https://m.media-amazon.com/images/I/518KzUZUBcL.jpg)

## Customer Reviews

### ⭐⭐ Bad listing
*by J***B on 3 August 2026*

Beware! Only includes 1 item not 3 even though 3 tubes are shown on the listing. Product also came slightly damaged. Despite the above, the quality of product does seem to be good.

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**Shop now:** [https://www.desertcart.pt/products/155770800-pu18-black-polyurethane-sealant-adhesive-strong-flexible-for-construction-auto](https://www.desertcart.pt/products/155770800-pu18-black-polyurethane-sealant-adhesive-strong-flexible-for-construction-auto)

---

*Product available on Desertcart Portugal*
*Store origin: PT*
*Last updated: 2026-10-07*