--- product_id: 431751421 title: "Flex 522 Caravan Steel Grey 300 ml STP Universal Adhesive, Sealant, UV" brand: "sika" price: "฿2536" currency: THB in_stock: true reviews_count: 13 category: "Sika" url: https://www.desertcart.co.th/products/431751421-flex-522-caravan-steel-grey-300-ml-stp-universal-adhesive store_origin: TH region: Thailand --- # Eco-certified, low-emission formula UV-stable & weather-resistant 300 ml high-performance STP paste Flex 522 Caravan Steel Grey 300 ml STP Universal Adhesive, Sealant, UV **Brand:** sika **Price:** ฿2536 **Availability:** ✅ In Stock ## Summary > 🔧 Seal the deal with Sika Flex 522 — where durability meets eco-conscious innovation! ## Quick Answers - **What is this?** Flex 522 Caravan Steel Grey 300 ml STP Universal Adhesive, Sealant, UV by sika - **How much does it cost?** ฿2536 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.co.th](https://www.desertcart.co.th/products/431751421-flex-522-caravan-steel-grey-300-ml-stp-universal-adhesive) ## Best For - sika enthusiasts ## Why This Product - Trusted sika brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Multi-Surface Master:** Bonds effortlessly to wood, metal, ceramics, plastics, and varnished surfaces with strong, waterproof hold - • **Built to Brave the Elements:** UV-stable, weatherproof, and mould-resistant for long-lasting durability on caravans and motor-homes - • **All-in-One Universal Sealant:** Replaces multiple products with superior adhesion and flexibility for indoor & outdoor use - • **Certified Safe & Sustainable:** Isega & Emicode EC1Plus certified, free from harmful solvents and silicones—perfect for kitchens and ventilation - • **Pro-Grade Performance, DIY Friendly:** Easy to apply with professional results—ideal for van conversions, solar panel fittings, and more ## Overview Sika Flex 522 Caravan Steel Grey is a 300 ml universal adhesive and sealant made from silane-terminated polymer (STP). It offers superior weather, UV, and mould resistance, making it ideal for sealing joints and fittings on caravans, motor-homes, and household applications. Certified low-emission and food-safe, it bonds to a wide range of surfaces including wood, metal, ceramics, and plastics, ensuring a waterproof, long-lasting seal with professional-grade performance. ## Description Sika Flex 522 Caravan Steel Grey 300 ml STP Universal Adhesive, Sealant, UV : desertcart.co.uk: DIY & Tools Review: Great. Does the job well. - Great item. Used in a van conversion for adhesive fitting solar panels and a roof vent. So far all waterproof and well stuck. Very pleased. Easy to use but does stain if you get it where you don't want it so he careful and neat! Review: Good quality sealant - Good quality sealant, fixed my camper roof vent nicely ## Features - Harmful to aquatic life with long lasting effects. - May cause an allergic skin reaction. - Version: Sikaflex-522 replaces Sikaflex-521 UV and Sikaflex-221i – 1 all-round product with even better properties - Features: weather-resistant, UV-stable, mould-resistant and resistant to ageing - Can be applied indoors and outdoors: For sealing exterior joints, windows, flaps, kitchen units, sanitary areas on caravans and motor-homes; also suitable for air conditioning and ventilation devices - Sticks to common surfaces: e.g; suitable substrates are wood, metals, primers and varnishes (2K systems), ceramic materials and plastics - Suitable for food, low-emission, certified: Isega-certified, harmless under food law (e.g; seal in the kitchen); emicode EC1Plus-certified, meets the highest EHS criteria (environment, health, safety); meets hygiene requirements for air conditioning and ventilation systems according to VDI 6022; sikaflex-522 is free from isocyanate, solvents, phthalates and silicones ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B09N7J125B | | Best Sellers Rank | 83,601 in DIY & Tools ( See Top 100 in DIY & Tools ) 1,097 in Sealers | | Brand | Sika | | Colour | Grey | | Compatible Material | Ceramic | | Customer Reviews | 4.7 4.7 out of 5 stars (1,332) | | Global Trade Identification Number | 07612895733616 | | Included Components | 1 cartridge | | Item Dimensions | 48 x 48 x 23 millimetres | | Item Form | Paste | | Item Type Name | Adhesive and sealant | | Item Weight | 350 Grams | | Manufacturer | Sika | | Manufacturer Part Number | 688360 | | Material | Silane-terminated polymer (STP) | | Model Number | 688360 | | Number of Items | 1 | | Style Name | Sikaflex-522 | | Surface Recommendation | Wood | | Unit Count | 300.0 millilitre | | Water Resistance Level | Waterproof | ## Product Details - **Brand:** Sika - **Item dimensions L x W x H:** 48 x 48 x 23 millimetres - **Item weight:** 350 Grams - **Material:** Silane-terminated polymer (STP) - **Style:** Sikaflex-522 ## Images ![Flex 522 Caravan Steel Grey 300 ml STP Universal Adhesive, Sealant, UV - Image 1](https://m.media-amazon.com/images/I/51KJpaUe3uL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Great. Does the job well. *by C***R on 11 May 2025* Great item. Used in a van conversion for adhesive fitting solar panels and a roof vent. So far all waterproof and well stuck. Very pleased. Easy to use but does stain if you get it where you don't want it so he careful and neat! ### ⭐⭐⭐⭐⭐ Good quality sealant *by G***T on 28 September 2025* Good quality sealant, fixed my camper roof vent nicely ### ⭐⭐⭐⭐⭐ Better than Silicone *by T***N on 6 August 2025* Great quality and sticks used in caravan bathroom to seal the shower. Better than silicone. ## Frequently Bought Together - Sika Flex 522 Caravan Steel Grey 300 ml STP Universal Adhesive, Sealant, UV - Sika Sikaflex-522 Caravan And Motorhome Adhesive Sealant – Weather And Mould Resistant – White – 300ml - Sikaflex-522 weather-resistant, UV-stable, adhesive sealant (new version of Sikaflex-521 UV and Sikaflex-221i) 300ml black --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.co.th/products/431751421-flex-522-caravan-steel-grey-300-ml-stp-universal-adhesive](https://www.desertcart.co.th/products/431751421-flex-522-caravan-steel-grey-300-ml-stp-universal-adhesive) --- *Product available on Desertcart Thailand* *Store origin: TH* *Last updated: 2026-04-29*