--- product_id: 48713368 title: "W4 Mastic Sealing Strip for Caravans & Motorhomesmm – Grey 19mm Weatherproof Sealant for Overlap Joints, Awning Rails, Roof-Lights, Window Surrounds & External Trims, Durable & Easy to Apply" brand: "w4" price: "VT8809" currency: VUV in_stock: true url: https://www.desertcart.vu/products/48713368-w4-mastic-sealing-strip-for-caravans-and-motorhomesmm-grey-19mm store_origin: VU region: Vanuatu --- # Weather-Resistant Multi-Surface Compatibility Easy to Apply W4 Mastic Sealing Strip for Caravans & Motorhomesmm – Grey 19mm Weatherproof Sealant for Overlap Joints, Awning Rails, Roof-Lights, Window Surrounds & External Trims, Durable & Easy to Apply **Brand:** w4 **Price:** VT8809 **Availability:** βœ… In Stock ## Summary > 🚐 Seal the Deal with W4! ## Quick Answers - **What is this?** W4 Mastic Sealing Strip for Caravans & Motorhomesmm – Grey 19mm Weatherproof Sealant for Overlap Joints, Awning Rails, Roof-Lights, Window Surrounds & External Trims, Durable & Easy to Apply by w4 - **How much does it cost?** VT8809 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.vu](https://www.desertcart.vu/products/48713368-w4-mastic-sealing-strip-for-caravans-and-motorhomesmm-grey-19mm) ## 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 - β€’ **Trusted by Owners:** High-quality performance that caravan enthusiasts rely on. - β€’ **Weatherproof Wonder:** Durable design that stands up to the elements. - β€’ **Seal with Confidence:** Versatile sealing solution for all your caravan needs. - β€’ **Long-Lasting Protection:** Secure your fittings with a reliable, strong adhesion. - β€’ **User-Friendly Application:** No professional help neededβ€”DIY made easy! ## Overview The W4 Mastic Sealing Strip is a versatile, weatherproof solution designed for caravans and motorhomes. Measuring 19mm in width, it effectively seals overlap joints, awning rails, roof-lights, and more. With its durable formulation, this sealing strip ensures long-lasting protection against leaks and damage, making it a trusted choice for outdoor enthusiasts. Easy to apply and compatible with various surfaces, it empowers users to maintain their vehicles without professional assistance. ## Description W4 Mastic Sealing Strip for Caravans & Motorhomesmm – Grey 19mm Weatherproof Sealant for Overlap Joints, Awning Rails, Roof-Lights, Window Surrounds & External Trims, Durable & Easy to Apply ## 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 | | Brand | W4 | | Model | Narrow Mastic | | Product Dimensions | 2.6 x 5.75 x 6.38 cm; 222.26 g | | Item model number | W4 Mastic | | Manufacturer part number | 00016 | | Item Weight | 222 g | ## Product Details - **Brand:** W4 - **Material:** Butyl - **Colour:** Grey - **Product dimensions:** 19W millimetres - **Item thickness:** 19 Millimetres ## Images ![W4 Mastic Sealing Strip for Caravans & Motorhomesmm – Grey 19mm 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/719Dp6llWKL.jpg) ![W4 Mastic Sealing Strip for Caravans & Motorhomesmm – Grey 19mm 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/81vGN0phFeL.jpg) ![W4 Mastic Sealing Strip for Caravans & Motorhomesmm – Grey 19mm 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/71gF0eKeBqL.jpg) ![W4 Mastic Sealing Strip for Caravans & Motorhomesmm – Grey 19mm 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/71hwXK2O79L.jpg) ![W4 Mastic Sealing Strip for Caravans & Motorhomesmm – Grey 19mm 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/818XQub6uOL.jpg) ## Available Options This product comes in different **Style Name** options. ## Frequently Bought Together - W4 Mastic Sealing Strip for Caravans & Motorhomesmm – Grey 19mm Weatherproof Sealant for Overlap Joints, Awning Rails, Roof-Lights, Window Surrounds & External Trims, Durable & Easy to Apply - Sika Sikaflex-522 Caravan And Motorhome Adhesive Sealant – Weather And Mould Resistant – White – 300ml - Roof Sky Light Caravan Motorhome 400 x 400mm Flynet White MPK Rooflight --- ## Why Shop on Desertcart? - πŸ›’ **Trusted by 1.3+ Million Shoppers** β€” Serving international shoppers since 2016 - 🌍 **Shop Globally** β€” Access 737+ million products across 21 categories - πŸ’° **No Hidden Fees** β€” All customs, duties, and taxes included in the price - πŸ”„ **15-Day Free Returns** β€” Hassle-free returns (30 days for PRO members) - πŸ”’ **Secure Payments** β€” Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** β€” Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.vu/products/48713368-w4-mastic-sealing-strip-for-caravans-and-motorhomesmm-grey-19mm](https://www.desertcart.vu/products/48713368-w4-mastic-sealing-strip-for-caravans-and-motorhomesmm-grey-19mm) --- *Product available on Desertcart Vanuatu* *Store origin: VU* *Last updated: 2026-06-06*