---
product_id: 416023229
title: "W4 Mastic Sealing Strip for Caravans & Motorhomes Grey 32mm – Weatherproof Sealant for Overlap Joints, Awning Rails, Roof-Lights, Window Surrounds & External Trims, Durable & Easy to Apply"
brand: "w4"
price: "$8.77"
currency: USD
in_stock: false
url: https://www.desertcart.us/products/416023229-w4-mastic-sealing-strip-for-caravans-and-motorhomes-grey-32mm
store_origin: US
region: United States of America
---

# 32mm thickness for robust sealing Weatherproof for all-season protection 5m length for extensive coverage W4 Mastic Sealing Strip for Caravans & Motorhomes Grey 32mm – Weatherproof Sealant for Overlap Joints, Awning Rails, Roof-Lights, Window Surrounds & External Trims, Durable & Easy to Apply

**Brand:** w4
**Price:** $8.77
**Availability:** ❌ Out of Stock

## Summary

> 🛡️ Seal the deal, protect your adventure!

## Quick Answers

- **What is this?** W4 Mastic Sealing Strip for Caravans & Motorhomes Grey 32mm – Weatherproof Sealant for Overlap Joints, Awning Rails, Roof-Lights, Window Surrounds & External Trims, Durable & Easy to Apply by w4
- **How much does it cost?** $8.77 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/416023229-w4-mastic-sealing-strip-for-caravans-and-motorhomes-grey-32mm)

## Best For

- w4 enthusiasts

## Why This Product

- Trusted w4 brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **DIY Friendly:** Easy to apply—no professional help needed to upgrade your motorhome’s protection.
- • **Precision Fit:** 32mm thickness ensures a perfect seal on overlap joints and trims.
- • **All-Weather Armor:** Durable butyl formula shields your caravan from rain, wind, and sun.
- • **Trusted Longevity:** Backed by W4’s 40 years of caravan expertise for reliable, lasting adhesion.
- • **Versatile Application:** Seals awning rails, roof-lights, vents, and window surrounds effortlessly.

## Overview

The W4 Mastic Sealing Strip is a 5-meter, 32mm thick butyl sealant designed for caravans and motorhomes. It provides a durable, weatherproof barrier for overlap joints, awning rails, roof-lights, vents, and external trims. Easy to apply and trusted by caravan enthusiasts, it ensures long-lasting protection against leaks and outdoor elements.

## Description

W4 Mastic Sealing Strip for Caravans & Motorhomes Grey 32mm – Weatherproof Sealant for Overlap Joints, Awning Rails, Roof-Lights, Window Surrounds & External Trims, Durable & Easy to Apply : desertcart.ae: Tools & Home Improvement

## Features

- Versatile Sealing Solution: Ideal for sealing and re-bedding a wide range of caravan and motorhome fittings, including overlap joints, awning rails, roof-lights, vents, and window surrounds.
- Multi-Surface Compatibility: Perfect for use on aluminium mouldings, exterior lights, grab handles, and most external trims, ensuring a secure and long-lasting seal.
- Durable & Weather-Resistant: Formulated to withstand outdoor conditions, this mastic sealing strip provides a reliable, weatherproof seal to protect against leaks and damage.
- Easy to Apply: Convenient and simple to use, this sealing strip makes it easy to maintain and upgrade your caravan or motorhome fittings without the need for professional assistance.
- High-Quality Performance: Trusted by caravan and motorhome owners, the W4 Mastic Sealing Strip delivers strong adhesion and lasting protection for all your external trims and fittings.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | W4 |
| Part number | 00017 |
| Item Weight | 730 g |
| Product Dimensions | 2.28 x 5.98 x 6.46 cm; 730 g |
| Item model number | 00017 |
| Size | 5m x 32mm |
| Color | Grey |
| Style | Compact |
| Material | Butyl |
| Item thickness | 32 Millimeters |
| Item Package Quantity | 1 |
| Special Features | Versatile Sealing |
| Batteries Included? | No |
| Batteries Required? | No |

## Product Details

- **Brand:** W4
- **Colour:** Grey
- **Item thickness:** 32 Millimeters
- **Material:** Butyl

## Images

![W4 Mastic Sealing Strip for Caravans & Motorhomes Grey 32mm – Weatherproof Sealant for Overlap Joints, Awning Rails, Roof-Lights, Window Surrounds & External Trims, Durable & Easy to Apply - Image 1](https://m.media-amazon.com/images/I/61ggmoVkQ8L.jpg)
![W4 Mastic Sealing Strip for Caravans & Motorhomes Grey 32mm – Weatherproof Sealant for Overlap Joints, Awning Rails, Roof-Lights, Window Surrounds & External Trims, Durable & Easy to Apply - Image 2](https://m.media-amazon.com/images/I/61nlDBF8g5L.jpg)
![W4 Mastic Sealing Strip for Caravans & Motorhomes Grey 32mm – Weatherproof Sealant for Overlap Joints, Awning Rails, Roof-Lights, Window Surrounds & External Trims, Durable & Easy to Apply - Image 3](https://m.media-amazon.com/images/I/71KDQckFEQL.jpg)
![W4 Mastic Sealing Strip for Caravans & Motorhomes Grey 32mm – Weatherproof Sealant for Overlap Joints, Awning Rails, Roof-Lights, Window Surrounds & External Trims, Durable & Easy to Apply - Image 4](https://m.media-amazon.com/images/I/71VDyCM54xL.jpg)
![W4 Mastic Sealing Strip for Caravans & Motorhomes Grey 32mm – Weatherproof Sealant for Overlap Joints, Awning Rails, Roof-Lights, Window Surrounds & External Trims, Durable & Easy to Apply - Image 5](https://m.media-amazon.com/images/I/71b6o1hHZhL.jpg)

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**Shop now:** [https://www.desertcart.us/products/416023229-w4-mastic-sealing-strip-for-caravans-and-motorhomes-grey-32mm](https://www.desertcart.us/products/416023229-w4-mastic-sealing-strip-for-caravans-and-motorhomes-grey-32mm)

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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-02-12*