{"product_id":"superpro-caulking-gun-400ml-25-1-black","title":"Superpro High-Thrust Caulking Gun 400ml – 25:1 Black","description":"\u003ch2\u003eSuperpro High-Thrust Caulking Gun 400ml – 25:1 Black\u003c\/h2\u003e\u003cp\u003eThe \u003cstrong\u003eSuperpro Caulking Gun 400ml\u003c\/strong\u003e is a robust professional applicator designed for demanding sealant, caulking and cartridge-applied adhesive work. Its powerful mechanism produces a \u003cstrong\u003e25:1 thrust ratio and approximately 4.5kN of dispensing force\u003c\/strong\u003e, helping the user apply thicker materials with considerably less trigger effort — and it is widely regarded as one of the easiest professional manual guns to use.\u003c\/p\u003e\u003cp\u003eBuilt for regular trade use, the gun combines a strong black metal cartridge frame with an ergonomic trigger and handle. The high mechanical advantage provides smooth, controlled dispensing and helps maintain a consistent bead during longer applications.\u003c\/p\u003e\u003cp\u003eThe frame accepts compatible rigid cartridges and tubes up to \u003cstrong\u003e400ml\u003c\/strong\u003e, including many commonly used 290ml, 300ml, 310ml and 380ml cartridges. This makes it suitable for professional sealants, grab adhesives, mastics and other compatible cartridge-based products.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eProfessional high-thrust manual caulking gun\u003c\/li\u003e\n\u003cli\u003ePowerful 25:1 mechanical thrust ratio\u003c\/li\u003e\n\u003cli\u003eProduces approximately 4.5kN of dispensing force\u003c\/li\u003e\n\u003cli\u003eAccepts compatible cartridges and tubes up to 400ml\u003c\/li\u003e\n\u003cli\u003eSuitable for dispensing thicker sealants and adhesives\u003c\/li\u003e\n\u003cli\u003eRobust metal cartridge frame\u003c\/li\u003e\n\u003cli\u003eErgonomic handle and trigger design\u003c\/li\u003e\n\u003cli\u003eSmooth action for controlled, consistent application\u003c\/li\u003e\n\u003cli\u003eQuick-release mechanism for retracting the plunger\u003c\/li\u003e\n\u003cli\u003eCurved plunger-rod hook for convenient storage\u003c\/li\u003e\n\u003cli\u003eDurable black finish\u003c\/li\u003e\n\u003cli\u003eDesigned for professional trade and workshop use\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSuitable Applications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eApplying silicone and construction sealants\u003c\/li\u003e\n\u003cli\u003eDispensing compatible grab adhesives\u003c\/li\u003e\n\u003cli\u003eApplying mastics and decorators’ caulk\u003c\/li\u003e\n\u003cli\u003eWindow and door installation\u003c\/li\u003e\n\u003cli\u003eKitchen and bathroom fitting\u003c\/li\u003e\n\u003cli\u003eWorktop and splashback installation\u003c\/li\u003e\n\u003cli\u003eInterior and exterior joint sealing\u003c\/li\u003e\n\u003cli\u003eCabinet making and joinery\u003c\/li\u003e\n\u003cli\u003eGeneral building and construction work\u003c\/li\u003e\n\u003cli\u003eProfessional property maintenance\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTechnical Specification\u003c\/h3\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eProduct range\u003c\/th\u003e\n\u003ctd\u003eSuperpro\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eProduct type\u003c\/th\u003e\n\u003ctd\u003eHigh-thrust manual caulking gun\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaximum cartridge capacity\u003c\/th\u003e\n\u003ctd\u003e400ml\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eThrust ratio\u003c\/th\u003e\n\u003ctd\u003e25:1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaximum thrust\u003c\/th\u003e\n\u003ctd\u003eApproximately 4.5kN\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCompatible container\u003c\/th\u003e\n\u003ctd\u003eRigid cartridges and tubes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFrame construction\u003c\/th\u003e\n\u003ctd\u003eMetal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOperation\u003c\/th\u003e\n\u003ctd\u003eManual trigger\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eColour\u003c\/th\u003e\n\u003ctd\u003eBlack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch3\u003eHigh-Thrust Performance\u003c\/h3\u003e\u003cp\u003eThe 25:1 mechanism delivers substantially more mechanical advantage than a standard skeleton caulking gun. This makes the Superpro particularly useful when working with thicker or more resistant materials that require greater pressure to dispense.\u003c\/p\u003e\u003cp\u003eThe additional thrust can reduce hand fatigue during repeated applications while providing greater control over the flow and size of the finished bead.\u003c\/p\u003e\u003ch3\u003eCartridge Compatibility\u003c\/h3\u003e\u003cp\u003eThis applicator is intended principally for \u003cstrong\u003ecompatible rigid cartridges and tubes up to 400ml\u003c\/strong\u003e. Product viscosity and cartridge dimensions can vary, so the cartridge manufacturer’s application instructions should always be checked before use.\u003c\/p\u003e\u003cp\u003eThis is not an enclosed barrel applicator for unsupported foil or sausage packs. A compatible combination or sausage gun should be selected for foil-packed products.\u003c\/p\u003e\u003ch3\u003eFrequently asked questions\u003c\/h3\u003e\u003ch3\u003eWhat size cartridges does the Superpro Caulking Gun accept?\u003c\/h3\u003e\u003cp\u003eIt accepts compatible rigid cartridges and tubes up to 400ml.\u003c\/p\u003e\u003ch3\u003eWhat does the 25:1 ratio mean?\u003c\/h3\u003e\u003cp\u003eThe mechanism multiplies the pressure applied to the trigger, producing significantly more dispensing force than a standard general-purpose caulking gun.\u003c\/p\u003e\u003ch3\u003eHow much thrust does the gun produce?\u003c\/h3\u003e\u003cp\u003eThe applicator produces approximately 4.5kN of thrust.\u003c\/p\u003e\u003ch3\u003eIs it suitable for thick sealants and adhesives?\u003c\/h3\u003e\u003cp\u003eThe high-thrust mechanism makes it suitable for many thicker cartridge-applied products. Always check the product manufacturer’s applicator recommendations.\u003c\/p\u003e\u003ch3\u003eCan it be used with standard 310ml cartridges?\u003c\/h3\u003e\u003cp\u003eYes, compatible 310ml cartridges can be used because the frame accepts cartridges and tubes up to 400ml.\u003c\/p\u003e\u003ch3\u003eCan it dispense foil sausage packs?\u003c\/h3\u003e\u003cp\u003eNo. An enclosed combination or sausage gun should be used for unsupported foil packs.\u003c\/p\u003e\u003ch3\u003eIs a cartridge included?\u003c\/h3\u003e\u003cp\u003eNo. The product consists of the applicator gun only.\u003c\/p\u003e\u003cp\u003eBrowse our complete selection of \u003ca href=\"\/collections\/tools-consumables-fillers-caulks\"\u003efillers, caulks and sealant accessories\u003c\/a\u003e. Compatible sealants and adhesives can also be found in our \u003ca href=\"\/collections\/sika-everbuild\"\u003eSika Everbuild collection\u003c\/a\u003e.\u003c\/p\u003e","brand":"CONCEPT DISTRIBUTION","offers":[{"title":"Default Title","offer_id":62849758134621,"sku":"TOO309B","price":11.96,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0968\/4100\/7453\/files\/exec-24087e7a-86b2-4e3c-b80d-337d15fc05b0.png?v=1784724085","url":"https:\/\/www.blum.org.uk\/products\/superpro-caulking-gun-400ml-25-1-black","provider":"Hart Wholesale","version":"1.0","type":"link"}