{"product_id":"simpson-strong-tie-crack-pac-flex-h2o-9-oz-polyurethane-crack-sealer-cartridge-cpfh09","title":"Simpson Strong-Tie Crack-Pac Flex-H2O 9-oz. Polyurethane Crack Sealer Cartridge (CPFH09)","description":"\u003csection data-aplus\u003e\n\u003cdetails id=\"product-features\" class=\"acc\" open\u003e\n  \u003csummary\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003c\/summary\u003e\n  \u003cdiv class=\"acc-body\"\u003e\n    \u003cdiv class=\"features\"\u003e\n      \u003cdiv class=\"card\"\u003e\n        \u003cdiv class=\"card-inside\"\u003e\n          \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0933\/1582\/5958\/files\/pressure.svg\" alt=\"pressure\" class=\"aplusicon\"\u003e\n        \u003c\/div\u003e\n        \u003cdiv\u003e\u003cstrong\u003eSeals Active Leaks\u003c\/strong\u003e\u003c\/div\u003e\n        \u003cdiv class=\"feature-card\"\u003eDesigned for cracks with seeping or mildly leaking water. The moisture-activated formula expands inside the crack to seal voids instead of just covering the surface.\u003c\/div\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"card\"\u003e\n        \u003cdiv class=\"card-inside\"\u003e\n          \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0933\/1582\/5958\/files\/size.svg\" alt=\"size\" class=\"aplusicon\"\u003e\n        \u003c\/div\u003e\n        \u003cdiv\u003e\u003cstrong\u003eHandles Small Cracks\u003c\/strong\u003e\u003c\/div\u003e\n        \u003cdiv class=\"feature-card\"\u003eThe Simpson Strong-Tie Crack-Pac Flex-H2O polyurethane crack sealer is made for cracks from 1\/32 inch to 1\/4 inch wide in concrete and solid masonry, right in the range where leak repair usually matters most.\u003c\/div\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"card\"\u003e\n        \u003cdiv class=\"card-inside\"\u003e\n          \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0933\/1582\/5958\/files\/toolbox.svg\" alt=\"toolbox\" class=\"aplusicon\"\u003e\n        \u003c\/div\u003e\n        \u003cdiv\u003e\u003cstrong\u003eStandard Caulk Gun Use\u003c\/strong\u003e\u003c\/div\u003e\n        \u003cdiv class=\"feature-card\"\u003eYou can dispense it with a standard caulking tool, so you do not need a specialized injection machine for the cartridge itself. That makes it a practical option for repair crews and serious DIY users.\u003c\/div\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003cdetails id=\"product-overview\" class=\"acc\"\u003e\n  \u003csummary\u003e\u003ch2\u003eOverview\u003c\/h2\u003e\u003c\/summary\u003e\n  \u003cdiv class=\"acc-body\" data-product-summary\u003e\n    \u003cp\u003eThe Simpson Strong-Tie Crack-Pac Flex-H2O polyurethane crack sealer, model CPFH09, is a 9 oz polyurethane crack repair cartridge built for sealing leaking cracks, voids, and fractures in concrete and solid masonry. This is a polyurethane crack sealer designed for non-structural crack repair where water is seeping or mildly leaking through the crack. If your job is stopping water intrusion instead of restoring structural strength, this is the right type of product to be looking at.\u003c\/p\u003e\n    \u003cp\u003eWhat makes this product different from a basic surface patch is that it reacts with moisture and expands inside the crack. That matters because water problems in concrete usually do not stay on the face of the wall or slab. The Flex-H2O formula is built to move into the crack path and fill voids, which helps seal the affected area more effectively than a simple topcoat repair. Simpson Strong-Tie lists a 20:1 unrestricted expansion ratio, which means a relatively small amount of material can go a long way once it activates.\u003c\/p\u003e\n    \u003cp\u003eThis cartridge is intended for cracks ranging from 1\/32 inch to 1\/4 inch wide. That puts it squarely in the category of fine to moderate crack sealing for concrete and masonry repair. It is suitable for dry, damp, and wet conditions, and it can even be used on dry cracks if water is introduced to the affected area. For contractors dealing with foundation walls, retaining walls, basements, pits, vaults, or pool structures, that flexibility is a big deal because jobsite conditions are rarely perfect.\u003c\/p\u003e\n    \u003cp\u003eFrom a handling standpoint, this is one of the more approachable leak-seal products in the category because it can be dispensed with a standard caulking tool. That lowers the barrier to entry for crews who already have basic application tools on hand. The accelerator is packaged in the nozzle, and Simpson Strong-Tie also notes that the reaction speed can be adjusted by using a reduced amount of accelerator or none at all when a slower reaction time is needed. That gives the user some control depending on temperature, moisture level, and how aggressively the crack is taking material.\u003c\/p\u003e\n    \u003cp\u003eReaction time is fast. Exposure to moisture starts the reaction within about 1 minute, and expansion may be completed within 3 minutes depending on ambient temperature and available moisture. In real-world use, that means you need to be organized before you start. Get your ports, surface prep, and injection plan ready first, because once the material kicks, it moves quickly. Simpson Strong-Tie recommends conditioning the resin and hardener to 60 degrees Fahrenheit to 90 degrees Fahrenheit before mixing for proper component blending and expected performance.\u003c\/p\u003e\n    \u003cp\u003eAs a cartridge product, the CPFH09 is the single 9 oz option in the Flex-H2O line. It is also listed as compatible with the Simpson Strong-Tie CDT10S dispensing tool, while still being usable with a standard caulking tool. If you need a full pressure injection setup with ports, fittings, and paste-over epoxy, Simpson Strong-Tie offers that separately as the CPFH09KT kit. That distinction matters because this specific SKU is the sealer cartridge only, not the full injection kit.\u003c\/p\u003e\n    \u003cp\u003eIn terms of where it fits best, this product is for contractors, concrete repair techs, property maintenance teams, and capable homeowners dealing with water intrusion through non-structural cracks. It is not the product to reach for when the goal is structural bonding or load restoration. It is the one to grab when the problem is water getting through a crack in concrete or masonry and you need a moisture-activated expanding polyurethane crack sealer that works in real wet conditions.\u003c\/p\u003e\n  \u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003cdetails id=\"product-benefits\" class=\"acc\"\u003e\n  \u003csummary\u003e\u003ch2\u003eMade for Wet Crack Repairs\u003c\/h2\u003e\u003c\/summary\u003e\n  \u003cdiv class=\"acc-body\"\u003e\n    \u003cdiv class=\"row\"\u003e\n      \u003cdiv class=\"img\"\u003e\n        \u003cimg src=\"https:\/\/ssttoolbox.widen.net\/content\/nef4bl18vg\/jpeg\/A_EZClick-CPFH_InstPho_Pho_Inst_E-Z-Click-Injection-Crack-Pac-Flex-H2O-PolyurethaneCrackSealer-PoolRepair_C0.jpeg?position=c\u0026amp;color=ffffffff\u0026amp;u=cjmyin\" alt=\"Simpson Strong-Tie Crack-Pac Flex-H2O polyurethane crack sealer being used to repair a leaking crack in a concrete pool structure during on-site masonry repair\" class=\"tnblock-img\"\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"copy\"\u003e\n        \u003cp\u003eThis is where Flex-H2O earns its keep. It is built for concrete and masonry cracks that are damp, wet, or actively seeping, so you are not waiting around for a perfectly dry repair surface before you can get moving.\u003c\/p\u003e\n        \u003cul\u003e\n          \u003cli\u003eSuitable for dry, damp, and wet crack conditions\u003c\/li\u003e\n          \u003cli\u003eDesigned for applications where water is seeping or mildly leaking from the crack\u003c\/li\u003e\n        \u003c\/ul\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003cdetails id=\"product-benefits-2\" class=\"acc flip\"\u003e\n  \u003csummary\u003e\u003ch2\u003eSimple Cartridge Format\u003c\/h2\u003e\u003c\/summary\u003e\n  \u003cdiv class=\"acc-body\"\u003e\n    \u003cdiv class=\"row\"\u003e\n      \u003cdiv class=\"img\"\u003e\n        \u003cimg src=\"https:\/\/ssttoolbox.widen.net\/content\/vjql6jsynn\/jpeg\/A_CPFH09_ProdPho_Pho_Prod_CrackPacFlexH2O-9oz_C0.jpeg?position=c\u0026amp;color=ffffffff\u0026amp;u=cjmyin\" alt=\"Simpson Strong-Tie Crack-Pac Flex-H2O polyurethane crack sealer 9 oz cartridge shown as a clean product shot for concrete and masonry leak sealing\" class=\"tnblock-img\"\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"copy\"\u003e\n        \u003cp\u003eThe cartridge format keeps this repair manageable for smaller jobs and spot repairs. You get a controlled application method without stepping up to bulk material handling.\u003c\/p\u003e\n        \u003cul\u003e\n          \u003cli\u003e9 oz cartridge capacity\u003c\/li\u003e\n          \u003cli\u003eCan be dispensed with a standard caulking tool\u003c\/li\u003e\n        \u003c\/ul\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003cdetails id=\"product-whats-included\" class=\"acc\" open\u003e\n  \u003csummary\u003e\u003ch2\u003eWhat's in the Box\u003c\/h2\u003e\u003c\/summary\u003e\n  \u003cdiv class=\"acc-body\"\u003e\n    \u003cdiv class=\"tnincluded-wrapper\"\u003e\n      \u003cul\u003e\n        \u003cli\u003e(1) Crack-Pac Flex-H2O polyurethane crack sealer cartridge, 9 oz (270 mL)\u003c\/li\u003e\n      \u003c\/ul\u003e\n    \u003c\/div\u003e\n    \u003cdiv class=\"included-note\"\u003e\n      \u003cp\u003eThis SKU is the cartridge only. Injection ports, fittings, paste-over epoxy, and other kit accessories are not included.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003cdetails id=\"product-key-specifications\" class=\"acc\" open\u003e\n  \u003csummary\u003e\u003ch2\u003eKey Specifications\u003c\/h2\u003e\u003c\/summary\u003e\n  \u003cdiv class=\"acc-body\"\u003e\n    \u003ctable class=\"aplusspecs\"\u003e\n      \u003ctr\u003e\n        \u003cth\u003eApplication\u003c\/th\u003e\n        \u003ctd\u003eCrack Repair, Non-Structural\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003cth\u003eMaterial\u003c\/th\u003e\n        \u003ctd\u003ePolyurethane\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003cth\u003eContainer Size\u003c\/th\u003e\n        \u003ctd\u003e9 oz (270 mL)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003cth\u003eCrack Width Range\u003c\/th\u003e\n        \u003ctd\u003e1\/32 in to 1\/4 in\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003cth\u003eExpansion Ratio\u003c\/th\u003e\n        \u003ctd\u003e20:1 unrestricted rise\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003cth\u003eUsage Temperature\u003c\/th\u003e\n        \u003ctd\u003e60°F to 90°F\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003cth\u003eWeight\u003c\/th\u003e\n        \u003ctd\u003e0.8 lbs\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003cth\u003eShelf Life\u003c\/th\u003e\n        \u003ctd\u003e12 months unopened\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/table\u003e\n  \u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003cdetails id=\"product-compatibility\" class=\"acc\"\u003e\n  \u003csummary\u003e\u003ch2\u003eCompatibility\u003c\/h2\u003e\u003c\/summary\u003e\n  \u003cdiv class=\"acc-body\"\u003e\n    \u003cdiv class=\"compat-list\"\u003e\n      \u003cdiv class=\"compat-row\"\u003e\n        \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0933\/1582\/5958\/files\/toolbox.svg\" alt=\"toolbox\" class=\"icon-sm\"\u003e\n        \u003cdiv\u003e\n          \u003cstrong\u003eDispensing Tool\u003c\/strong\u003e\n          \u003cdiv class=\"compat-detail\"\u003eCan be dispensed with a standard caulking tool. Simpson Strong-Tie also lists compatibility with the CDT10S dispensing tool.\u003c\/div\u003e\n        \u003c\/div\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"compat-row\"\u003e\n        \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0933\/1582\/5958\/files\/material.svg\" alt=\"material\" class=\"icon-sm\"\u003e\n        \u003cdiv\u003e\n          \u003cstrong\u003eBase Material\u003c\/strong\u003e\n          \u003cdiv class=\"compat-detail\"\u003eDesigned for use in concrete and solid masonry.\u003c\/div\u003e\n        \u003c\/div\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"compat-row\"\u003e\n        \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0933\/1582\/5958\/files\/accessories-included.svg\" alt=\"accessories-included\" class=\"icon-sm\"\u003e\n        \u003cdiv\u003e\n          \u003cstrong\u003eSystem Option\u003c\/strong\u003e\n          \u003cdiv class=\"compat-detail\"\u003eAlso available as part of the CPFH09KT kit for users who need injection ports, fittings, and paste-over materials in one package.\u003c\/div\u003e\n        \u003c\/div\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003cdetails id=\"product-applications-uses\" class=\"acc\"\u003e\n  \u003csummary\u003e\u003ch2\u003eBuilt For\u003c\/h2\u003e\u003c\/summary\u003e\n  \u003cdiv class=\"acc-body\"\u003e\n    \u003cdiv class=\"tags\"\u003e\n      \u003cspan class=\"tag\"\u003eConcrete Repair\u003c\/span\u003e\n      \u003cspan class=\"tag\"\u003eMasonry Repair\u003c\/span\u003e\n      \u003cspan class=\"tag\"\u003eFoundation Crack Sealing\u003c\/span\u003e\n      \u003cspan class=\"tag\"\u003ePool Repair\u003c\/span\u003e\n      \u003cspan class=\"tag\"\u003eWater Intrusion Repair\u003c\/span\u003e\n      \u003cspan class=\"tag\"\u003eProperty Maintenance\u003c\/span\u003e\n      \u003cspan class=\"tag\"\u003eGeneral Contracting\u003c\/span\u003e\n      \u003cspan class=\"tag\"\u003eDIY \/ Hobbyist\u003c\/span\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003cdetails id=\"product-pro-tips\" class=\"acc\"\u003e\n  \u003csummary\u003e\u003ch2\u003ePro Tip\u003c\/h2\u003e\u003c\/summary\u003e\n  \u003cdiv class=\"acc-body\"\u003e\n    \u003cdiv class=\"tip-row\"\u003e\n      \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0933\/1582\/5958\/files\/specs.svg\" alt=\"specs\" class=\"icon-lg\"\u003e\n      \u003cp class=\"tip-text\"\u003eCondition the material to the recommended 60°F to 90°F range before you start, then have your crack prep and injection setup ready first. Flex-H2O starts reacting within about a minute after it hits moisture, so this is not a product you want to pause with halfway through the setup.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003cdetails id=\"product-tool-nut-take\" class=\"acc\"\u003e\n  \u003csummary\u003e\u003ch2\u003eTool Nut's Take\u003c\/h2\u003e\u003c\/summary\u003e\n  \u003cdiv class=\"acc-body\"\u003e\n    \u003cdiv class=\"eyebrow\"\u003eTool Nut's Take\u003c\/div\u003e\n    \u003ch3\u003eSimpson Strong-Tie Crack-Pac Flex-H2O polyurethane crack sealer is the right call when the problem is water, not structure\u003c\/h3\u003e\n    \u003cp\u003eIf you are chasing a leak through concrete or masonry, this cartridge gives you a fast, practical way to seal the crack without overcomplicating the job.\u003c\/p\u003e\n    \u003cul\u003e\n      \u003cli\u003e\n\u003cstrong\u003eWho it's for:\u003c\/strong\u003e Contractors, maintenance crews, and serious homeowners repairing non-structural cracks with seeping or mildly leaking water.\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eWhy it stands out:\u003c\/strong\u003e Moisture-activated expansion, standard caulk-gun dispensing, and a crack range that fits a lot of real-world leak repairs.\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eWorth knowing:\u003c\/strong\u003e This is the cartridge only, not the full injection kit, and it is built for sealing leaks in non-structural cracks rather than restoring structural strength.\u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003cdetails id=\"product-faqs\" class=\"acc\"\u003e\n  \u003csummary\u003e\u003ch2\u003eCommon Questions\u003c\/h2\u003e\u003c\/summary\u003e\n  \u003cdiv class=\"acc-body\"\u003e\n    \u003cul\u003e\n      \u003cli\u003e\n\u003cstrong\u003eWhat type of repair is this product for?\u003c\/strong\u003e It is for non-structural crack repair in concrete and solid masonry, specifically where the goal is sealing water intrusion.\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eCan it be used on wet cracks?\u003c\/strong\u003e Yes. It is suitable for dry, damp, and wet conditions and is designed for cracks where water is seeping or mildly leaking.\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eWhat crack sizes can it seal?\u003c\/strong\u003e Simpson Strong-Tie lists it for cracks ranging from 1\/32 inch to 1\/4 inch wide.\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eHow quickly does it react?\u003c\/strong\u003e Reaction begins within about 1 minute after exposure to moisture, and expansion may be completed within 3 minutes depending on moisture and temperature.\u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/div\u003e\n\u003c\/details\u003e\n\u003c\/section\u003e","brand":"Simpson Strong-Tie","offers":[{"title":"Default Title","offer_id":52999303364902,"sku":"CPFH09","price":51.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0933\/1582\/5958\/files\/cpfh09-crack-pac-flex-h2o-polyurethane-crack-repair-36__71933.jpg?v=1775841319","url":"https:\/\/www.toolnut.com\/products\/simpson-strong-tie-crack-pac-flex-h2o-9-oz-polyurethane-crack-sealer-cartridge-cpfh09","provider":"Tool Nut","version":"1.0","type":"link"}