{"product_id":"west-system-g-flex-epoxy-2-4oz-cartridges-flexible-waterproof-adhesive-for-wood-metal","title":"West System G\/flex Epoxy 2×4oz Cartridges — Flexible Waterproof Adhesive for Wood \u0026 Metal","description":"\u003cp\u003e\u003cstrong\u003eWEST SYSTEM G\/flex Epoxy (2 - 4oz) is a toughened, flexible two-part epoxy designed for permanent, waterproof bonding of challenging materials including damp woods, metals, ceramics, plastics and fiberglass.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eG\/flex 650 comes as a low-viscosity liquid epoxy that balances strength with flexibility so bonded joints resist shock, movement and vibration. Supplied in two 4 oz cartridges (two-part resin and hardener), it is formulated to adhere to hard-to-bond woods — including many tropical and exotic species — and will form reliable bonds even when substrates are damp. Made in the United States, this version is sized for small projects, repairs and trials where controlled dispensing and minimal waste are important.\u003c\/p\u003e\n\n\u003ch3\u003eHow does G\/flex perform on difficult-to-glue hardwoods?\u003c\/h3\u003e\n\u003cp\u003eG\/flex is engineered to penetrate and bond to dense, oily, or previously challenging woods by combining strong adhesion with flexibility. The modified chemistry improves wetting and reduces bond-line brittleness, helping joints survive chop, flex, and thermal cycling.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eAdheres well to tropical hardwoods and other dense species.\u003c\/li\u003e\n  \u003cli\u003eFlexible bond-line resists cracking under stress.\u003c\/li\u003e\n  \u003cli\u003eLow-viscosity version improves surface wetting and gap-filling.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCan I use G\/flex on damp or underwater surfaces?\u003c\/h3\u003e\n\u003cp\u003eYes — G\/flex tolerates moisture better than many traditional epoxies and can be applied to damp wood or certain submerged applications using proper techniques. For underwater or extremely wet conditions, follow the manufacturer’s surface-preparation recommendations and allow for extended cure times.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eEffective on damp timber and surfaces with residual moisture.\u003c\/li\u003e\n  \u003cli\u003eSpecial application methods allow underwater bonding in some cases.\u003c\/li\u003e\n  \u003cli\u003eExpect longer cure times when moisture is present.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhich materials does G\/flex bond besides wood?\u003c\/h3\u003e\n\u003cp\u003eG\/flex bonds a wide range of substrates beyond wood, including metals, ceramics, plastics and fiberglass, making it a versatile choice for mixed-material repairs. Its durable, waterproof bond makes it useful for marine, automotive and household restorations where dissimilar materials meet.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eStrong adhesion to metals like aluminum and stainless steel.\u003c\/li\u003e\n  \u003cli\u003eEffective on ceramics and many plastics when properly prepped.\u003c\/li\u003e\n  \u003cli\u003eWorks with fiberglass laminates and composite repairs.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow should I prepare and apply G\/flex for best results?\u003c\/h3\u003e\n\u003cp\u003eSurface prep and correct mixing are essential: clean, degrease and abrade mating surfaces where possible, then dispense equal parts of resin and hardener and mix thoroughly. Apply within the working time, clamp or brace parts as needed, and allow full cure at recommended temperatures for maximum bond strength.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eClean surfaces of oils, dust and loose material before bonding.\u003c\/li\u003e\n  \u003cli\u003eRoughen slick surfaces to improve mechanical grip.\u003c\/li\u003e\n  \u003cli\u003eMix equal parts and use within the specified working time; allow full cure before loading.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? WEST SYSTEM G\/flex Epoxy (2 - 4oz) is ideal for hobbyists, boat owners, woodworkers and technicians needing a small, reliable supply of a tough, waterproof adhesive for repairs and prototypes. Choose this kit when you require a flexible, durable bond on difficult substrates or damp surfaces without committing to a large volume, and when precision dispensing for small-scale jobs matters.\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: Is G\/flex safe to use on damp wood?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. G\/flex tolerates damp wood and can be used on wet surfaces, though curing may take longer and surface prep helps adhesion.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How much mixing ratio is required for the two 4oz cartridges?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Mix equal parts by volume of resin and hardener; the kit is premeasured for a 1:1 mix for each 4 oz portion.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"West System","offers":[{"title":"Default Title","offer_id":54587050950995,"sku":"B002IZFPQE","price":57.03,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1095\/4257\/2371\/files\/west-system-gflex-front-packaging.jpg?v=1786698580","url":"https:\/\/findsworth.co.uk\/products\/west-system-g-flex-epoxy-2-4oz-cartridges-flexible-waterproof-adhesive-for-wood-metal","provider":"Findsworth","version":"1.0","type":"link"}