{"product_id":"true-composites-fiberglass-polyester-resin-kit-1-gallon-with-mekp-hardener-marine-grade-laminating-sandable-finish","title":"TRUE COMPOSITES Fiberglass Polyester Resin Kit — 1 Gallon with MEKP Hardener, Marine-Grade Laminating \u0026 Sandable Finish","description":"\u003cp\u003e\u003cstrong\u003eTrue Composites 1-gallon polyester fiberglass resin kit is a professional-grade laminating system that includes resin and MEKP hardener for reliable fiberglass repairs, marine restorations, and composite projects.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis kit delivers a balanced polyester resin formulation designed for wetting fiberglass, bonding to substrates, and producing a tack-free cure when used with the included MEKP catalyst. Manufactured in the USA, the product is formulated for applications that demand strength and predictable curing times, making it suitable for both workshop fabrication and field repairs. Below are concise answers to the common questions buyers ask when choosing a fiberglass resin kit.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this resin perform for boat and marine repairs?\u003c\/h3\u003e\n\u003cp\u003eThe resin is formulated for marine-grade laminating, providing good adhesion to fiberglass mat and cloth and producing durable, sandable laminates once cured. It resists common stresses encountered in hull repairs and maintenance when applied correctly and finished with appropriate topcoats.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eMarine-grade polyester chemistry for hull and deck repairs\u003c\/li\u003e\n  \u003cli\u003eGood fiberglass wet-out for strong fiber-to-resin bonding\u003c\/li\u003e\n  \u003cli\u003eSandable surface after full cure for fairing and finishing\u003c\/li\u003e\n  \u003cli\u003eWorks with standard marine fillers and topcoats\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat comes in the kit and how do I mix it?\u003c\/h3\u003e\n\u003cp\u003eThe kit contains one gallon of polyester fiberglass resin plus a bottle of methyl ethyl ketone peroxide (MEKP) catalyst for initiating the cure. Mix the ingredients by adding the recommended percentage of MEKP to the resin, stirring thoroughly, and using within the working pot life specified by ambient temperature.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eOne gallon polyester resin and MEKP hardener included\u003c\/li\u003e\n  \u003cli\u003eFollow catalyst percentage provided with product for safe cure\u003c\/li\u003e\n  \u003cli\u003eStir gently to avoid air entrapment for better laminate strength\u003c\/li\u003e\n  \u003cli\u003eObserve pot life and temperature guidelines to control cure speed\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIs this suitable for non-marine projects like auto or mold-making?\u003c\/h3\u003e\n\u003cp\u003eYes — the resin's multipurpose characteristics make it appropriate for automotive fiberglass repairs, mold construction, surfboard lamination, and general FRP fabrication. It bonds well with fiberglass reinforcements and can be used wherever polyester resin systems are standard practice.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCompatible with fiberglass cloth, mat, and chopped strand\u003c\/li\u003e\n  \u003cli\u003eUseful for bodywork patches, custom molds, and reinforcement work\u003c\/li\u003e\n  \u003cli\u003eAccepts fillers and gelcoats used in automotive and marine trades\u003c\/li\u003e\n  \u003cli\u003eFast cure options allow quicker turnaround when needed\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat safety and handling should I follow when using this resin?\u003c\/h3\u003e\n\u003cp\u003eWorking with polyester resin and MEKP hardener requires ventilation, chemical-resistant gloves, and eye protection to minimize inhalation and skin contact. Store materials away from heat and open flame, and follow the product safety data sheet for first aid and disposal guidance.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eUse in a well-ventilated area or with respirator protection\u003c\/li\u003e\n  \u003cli\u003eWear nitrile gloves and chemical-resistant clothing\u003c\/li\u003e\n  \u003cli\u003eKeep away from ignition sources; MEKP is a strong oxidizer\u003c\/li\u003e\n  \u003cli\u003eRead and follow the included safety documentation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The True Composites Fiberglass Polyester Resin Kit is aimed at marine technicians, fiberglass fabricators, automotive restorers, DIY boat owners, and hobbyists who need a dependable, ready-to-use resin and hardener pairing. If you require a US-manufactured polyester system for structural repairs, mold making, or FRP fabrication with predictable handling and finishability, this kit provides the core materials professionals and serious DIYers rely on.\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: How much hardener do I mix with one gallon of resin?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Mix MEKP at the percentage recommended by the product instructions—typically 1–2% by weight; adjust only as directed for ambient temperature and desired cure speed.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I use this resin with polyester gelcoat?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes, it is compatible with polyester gelcoats; ensure proper surface preparation and full cure before applying topcoat for best adhesion.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"TRUE COMPOSITES","offers":[{"title":"Default Title","offer_id":48079837462686,"sku":"B077YQTXJQ","price":94.95,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/true-composites-resin-gallon-front-packaging.jpg?v=1785772255","url":"https:\/\/northtrailauto.ca\/products\/true-composites-fiberglass-polyester-resin-kit-1-gallon-with-mekp-hardener-marine-grade-laminating-sandable-finish","provider":"North Trail Auto","version":"1.0","type":"link"}