{"product_id":"u-pol-grip-4-universal-adhesion-promoter-sand-free-adhesion-for-automotive-surfaces-12-oz","title":"U-POL GRIP#4 Universal Adhesion Promoter – Sand-Free Adhesion for Automotive Surfaces (12 oz)","description":"\u003ch2\u003eEnhance Adhesion Across Materials\u003c\/h2\u003e\n\u003cp\u003eU-POL GRIP#4 Universal Adhesion Promoter is a versatile spray designed to improve paint adhesion on a wide range of automotive substrates — plastics, aluminum, galvanized metal, zinc, painted surfaces, fiberglass, and body fillers. The advanced formula is engineered to reduce surface preparation time by eliminating sanding in many scenarios, helping you refinish efficiently in hard-to-abrade areas like under hoods and deck lids.\u003c\/p\u003e\n\u003ch3\u003eConsistent, Smooth Application\u003c\/h3\u003e\n\u003cp\u003eSprays flat for a smooth, even coating that wets out evenly before you topcoat. It is compatible with most water- and solvent-based paint systems, allowing you to pair GRIP#4 with your preferred refinishing workflow.\u003c\/p\u003e\n\u003ch3\u003eProtective Barrier for Longevity\u003c\/h3\u003e\n\u003cp\u003eBeyond adhesion, GRIP#4 creates a durable barrier that helps resist lifting and solvent attack, contributing to longer-lasting color and finish without adding extra steps. This protective layer supports the integrity of your paint job over time.\u003c\/p\u003e\n\u003ch3\u003eKey Benefits at a Glance\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eVersatile adhesion across plastics, metal, fiberglass, and more\u003c\/li\u003e\n  \u003cli\u003eNo sanding required in many applications, speeding up prep\u003c\/li\u003e\n  \u003cli\u003eSmooth, flat spray for uniform coverage\u003c\/li\u003e\n  \u003cli\u003eTopcoat compatible with most water- or solvent-based systems\u003c\/li\u003e\n  \u003cli\u003eProtective barrier against lifting and solvent attack\u003c\/li\u003e\n  \u003cli\u003eBacked by U-POL’s experience in automotive refinishing\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003ePractical Use Scenarios\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eUnder-hood areas where sanding is difficult or risky\u003c\/li\u003e\n  \u003cli\u003eDeck lids and other hard-to-sand automotive panels\u003c\/li\u003e\n  \u003cli\u003eRepairs on plastics, aluminum, and fiberglass components\u003c\/li\u003e\n  \u003cli\u003eMulti-material refinishing projects requiring a compatible prep step\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhy Choose GRIP#4\u003c\/h3\u003e\n\u003cp\u003eU-POL positions GRIP#4 as a ready-to-use solution that aligns with professional refinishing workflows. The capability to topcoat with a wide range of paints and the promise of durable adhesion are designed to support drivers seeking reliable, long-lasting results from their refinishing projects. As part of the U-POL family, GRIP#4 benefits from a legacy of automotive refinishing expertise and a broad product range that supports both DIY enthusiasts and shop professionals.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What surfaces is GRIP#4 compatible with?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: GRIP#4 works on plastics, aluminum, galvanized metal, zinc, fiberglass, body fillers, and painted surfaces.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is sanding required before applying GRIP#4?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: In many cases, sanding is not required, helping save prep time while still delivering solid adhesion.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"U-POL","offers":[{"title":"Default Title","offer_id":42469432787029,"sku":"B00397POFC","price":41.03,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0632\/3270\/4597\/files\/u-pol-grip4-universal-adhesion-promo.jpg?v=1778093992","url":"https:\/\/plentytorque.co.uk\/products\/u-pol-grip-4-universal-adhesion-promoter-sand-free-adhesion-for-automotive-surfaces-12-oz","provider":"PlentyTorque","version":"1.0","type":"link"}