{"product_id":"kflk-42s-flashing-kit-with-2-x-4-self-drilling-lag-bolt","title":"Kinetic K-Flash™ Premium Roof Mount (KFLK-42S)","description":"\u003cdiv class=\"sapphire-product-description\"\u003e\n\u003ch2 class=\"sapphire-title\"\u003eKinetic K-Flash™ Roof Mount (KFLK-42S)\u003c\/h2\u003e\n\u003chr class=\"sapphire-hr\"\u003e\n\u003cp class=\"sapphire-p\"\u003eIf you're investing in a rooftop solar array, the roof attachment is not the place to cut corners. The \u003cstrong\u003eKinetic K-Flash™ KFLK-42S\u003c\/strong\u003e is a premium flashed roof mount designed specifically for asphalt shingle solar installations, giving you a clean, professional attachment point with excellent long-term leak protection.\u003c\/p\u003e\n\u003cp class=\"sapphire-p\"\u003eUnlike basic roof mounts that depend heavily on sealants around exposed roof penetrations, the K-Flash uses a large integrated flashing that slides beneath the shingles and sheds water safely around the attachment point. It is one of the best waterproofing options available for shingled roof solar installs.\u003c\/p\u003e\n\u003cp class=\"sapphire-p\"\u003eThis listing is for the \u003cstrong\u003eKFLK-42S\u003c\/strong\u003e, the premium dual-lag version of the Kinetic K-Flash system. Compared to the single-lag \u003cstrong\u003eKFLK-2S\u003c\/strong\u003e, the KFLK-42S provides two structural attachment points for improved load distribution and additional support.\u003c\/p\u003e\n\u003cdiv class=\"sapphire-callout sapphire-callout-yellow\"\u003e\n\u003cdiv class=\"sapphire-callout-title\"\u003ePremium Waterproofing Protection\u003c\/div\u003e\n\u003cp class=\"callout-p\"\u003eThe K-Flash provides a fully flashed roof penetration designed to shed water around the attachment point rather than relying solely on exposed sealants. When installed according to Kinetic's instructions, it is backed by Kinetic's leak warranty for added peace of mind.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sapphire-callout sapphire-callout-blue\"\u003e\n\u003cdiv class=\"sapphire-callout-title\"\u003eWhy Professional Installers Choose K-Flash\u003c\/div\u003e\n\u003cp class=\"callout-p\"\u003eMany roof attachments rely on sealants, gaskets, and exposed roof penetrations to keep water out. K-Flash takes a better approach by incorporating a full flashing beneath the shingles, allowing water to shed naturally around the attachment point. It is a professional-grade solution for homeowners who want their solar array mounted properly from the start.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch3 class=\"sapphire-section-title\"\u003eWhy You’ll Love It\u003c\/h3\u003e\n\u003chr class=\"sapphire-hr\"\u003e\n\u003cul class=\"sapphire-checklist\"\u003e\n\u003cli\u003e\n\u003cstrong\u003ePremium flashed roof attachment\u003c\/strong\u003e designed specifically for asphalt shingle solar installations\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExcellent waterproofing protection\u003c\/strong\u003e with a large flashing footprint that sheds water around the roof penetration\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual-lag structural support\u003c\/strong\u003e for improved load distribution compared with the KFLK-2S single-lag version\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstaller-friendly design\u003c\/strong\u003e for a fast, clean, professional installation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProfessional finished appearance\u003c\/strong\u003e with black flashing that blends well with most roofs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBacked by Kinetic warranty support\u003c\/strong\u003e when installed according to manufacturer specifications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"sapphire-callout sapphire-callout-blue\"\u003e\n\u003cdiv class=\"sapphire-callout-title\"\u003eComplete Rooftop Mounting Solution\u003c\/div\u003e\n\u003cp class=\"callout-p\"\u003ePair the KFLK-42S with the KLB3-M L-Bracket Kit and Rapid-1 Rail system for a professional-grade rooftop solar mounting solution designed for long-term strength, clean installation, and reliable service.\u003c\/p\u003e\n\u003cdiv class=\"sapphire-cta-group\"\u003e\n\u003ca rel=\"noopener\" href=\"\/products\/klb3-m-3-l-bracket-kit\" class=\"sapphire-cta\" target=\"_blank\"\u003eShop KLB3-M L-Bracket Kit\u003c\/a\u003e \u003ca rel=\"noopener\" href=\"\/products\/rapid-1-rail-140-clear-anodized\" class=\"sapphire-cta\" target=\"_blank\"\u003eShop Rapid-1 Rail\u003c\/a\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3 class=\"sapphire-section-title\"\u003eTechnical Specifications\u003c\/h3\u003e\n\u003chr class=\"sapphire-hr\"\u003e\n\u003ctable class=\"sapphire-spec-table\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eKFLK-42S\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSuitable Replacement For\u003c\/td\u003e\n\u003ctd\u003eKFLK-2S\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRoof Type\u003c\/td\u003e\n\u003ctd\u003eAsphalt Shingle\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMount Type\u003c\/td\u003e\n\u003ctd\u003eFully Flashed Roof Attachment\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStructural Attachment Points\u003c\/td\u003e\n\u003ctd\u003e2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAttachment Style\u003c\/td\u003e\n\u003ctd\u003eDual Structural Lag Bolts (4\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFlashing Material\u003c\/td\u003e\n\u003ctd\u003eAluminum (Powder Coated)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFinish\u003c\/td\u003e\n\u003ctd\u003eBlack Powder Coat\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRail Compatibility\u003c\/td\u003e\n\u003ctd\u003eRapid-1 System and Competitor L-Brackets\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplication\u003c\/td\u003e\n\u003ctd\u003eResidential \u0026amp; commercial solar\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003eKinetic limited product warranty \/ leak warranty when installed per instructions\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3 class=\"sapphire-section-title\"\u003eApplications\u003c\/h3\u003e\n\u003chr class=\"sapphire-hr\"\u003e\n\u003cul class=\"sapphire-checklist\"\u003e\n\u003cli\u003eResidential rooftop solar systems\u003c\/li\u003e\n\u003cli\u003eOff-grid cabins and cottages\u003c\/li\u003e\n\u003cli\u003eGarages, workshops, and outbuildings\u003c\/li\u003e\n\u003cli\u003eTiny homes and accessory buildings\u003c\/li\u003e\n\u003cli\u003eAgricultural buildings\u003c\/li\u003e\n\u003cli\u003eCommercial rooftop solar arrays\u003c\/li\u003e\n\u003cli\u003eRetrofit solar installations on existing asphalt shingle roofs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 class=\"sapphire-section-title\"\u003eWhat's Included\u003c\/h3\u003e\n\u003chr class=\"sapphire-hr\"\u003e\n\u003cul class=\"sapphire-checklist\"\u003e\n\u003cli\u003eKinetic K-Flash flashing assembly\u003c\/li\u003e\n\u003cli\u003eIntegrated mounting stud assembly\u003c\/li\u003e\n\u003cli\u003eTwo structural lag bolts\u003c\/li\u003e\n\u003cli\u003eSerrated flange nut\u003c\/li\u003e\n\u003cli\u003eManufacturer-supplied hardware package\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"sapphire-callout sapphire-callout-sand\"\u003e\n\u003cdiv class=\"sapphire-callout-title\"\u003eBest Choice for Shingled Roofs\u003c\/div\u003e\n\u003cp class=\"callout-p\"\u003eThe KFLK-42S is ideal when you want the waterproofing benefits of the K-Flash system with the added strength of a dual-lag attachment. It can generally be used anywhere a KFLK-2S is specified, while offering superior structural support.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch3 class=\"sapphire-section-title\"\u003eFrequently Asked\u003c\/h3\u003e\n\u003chr class=\"sapphire-hr\"\u003e\n\u003cdiv class=\"sapphire-faq\"\u003e\n\u003cdetails class=\"sapphire-faq-item\"\u003e\n\u003csummary\u003eWhy choose a flashed roof mount instead of a standard roof attachment?\u003c\/summary\u003e\n\u003cdiv class=\"sapphire-faq-body\"\u003e\n\u003cp\u003eA flashed mount physically directs water around the roof penetration rather than relying entirely on sealants, gaskets, or exposed fastener points. This provides an additional layer of waterproofing protection and is widely considered one of the best attachment methods for asphalt shingle roofs.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails class=\"sapphire-faq-item\"\u003e\n\u003csummary\u003eWhat's the difference between the KFLK-42S and KFLK-2S?\u003c\/summary\u003e\n\u003cdiv class=\"sapphire-faq-body\"\u003e\n\u003cp\u003eBoth models use the Kinetic K-Flash waterproof flashing system. The KFLK-2S uses a single structural lag bolt, while the KFLK-42S uses two structural lag bolts for additional attachment strength and improved load distribution.\u003c\/p\u003e\n\u003cp\u003eThe KFLK-42S can generally be used anywhere a KFLK-2S is specified, while offering superior structural support. \u003c\/p\u003e\n\u003cp\u003eCheck your local codes to see if the 2 Screw version is required\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails class=\"sapphire-faq-item\"\u003e\n\u003csummary\u003eIs the KFLK-42S a suitable replacement for the KFLK-2S?\u003c\/summary\u003e\n\u003cdiv class=\"sapphire-faq-body\"\u003e\n\u003cp\u003eYes. The KFLK-42S is a suitable replacement for the KFLK-2S in most installations where the K-Flash system is specified. It provides the same flashed waterproofing approach with the added benefit of a second structural lag bolt.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails class=\"sapphire-faq-item\"\u003e\n\u003csummary\u003eWill this work with the rail you sell?\u003c\/summary\u003e\n\u003cdiv class=\"sapphire-faq-body\"\u003e\n\u003cp\u003eYes. The KFLK-42S is designed for use with the Rapid-1 rail using compatible L-bracket hardware, such as the KLB3-M L-Bracket Kit.\u003c\/p\u003e\n\u003cp\u003e\u003ca rel=\"noopener\" title=\"Rapid-1 Rail\" href=\"\/products\/rapid-1-rail-140-clear-anodized\" target=\"_blank\"\u003eView Rapid-1 rail\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails class=\"sapphire-faq-item\"\u003e\n\u003csummary\u003eDo I need the KLB3-M L-Bracket Kit?\u003c\/summary\u003e\n\u003cdiv class=\"sapphire-faq-body\"\u003e\n\u003cp\u003eFor a complete rail attachment point, the KFLK-42S is typically paired with compatible L-bracket hardware. The KLB3-M L-Bracket Kit is the matching component we recommend for use with Rapid-1 rail.\u003c\/p\u003e\n\u003cp\u003e\u003ca rel=\"noopener\" title=\"KLB3-M L-Bracket Kit\" href=\"\/products\/klb3-m-3-l-bracket-kit\" target=\"_blank\"\u003eView KLB3-M L-Bracket Kit\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails class=\"sapphire-faq-item\"\u003e\n\u003csummary\u003eCan this be installed on an existing roof?\u003c\/summary\u003e\n\u003cdiv class=\"sapphire-faq-body\"\u003e\n\u003cp\u003eYes. The K-Flash is designed for asphalt shingle roofs and is commonly used for retrofit solar installations on existing homes, shops, cabins, and commercial buildings.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails class=\"sapphire-faq-item\" open=\"\"\u003e\n\u003csummary\u003eDoes this require roof sealant?\u003c\/summary\u003e\n\u003cdiv class=\"sapphire-faq-body\"\u003e\n\u003cp\u003eWhile not a requirement, it is recommended to use a quality sealant in the stamped channel of the flashing.  This provides a second layer of leak protection in combination with the fully flashed design.\u003c\/p\u003e\n\u003cp\u003eAlways follow current Kinetic installation instructions and local building requirements. \u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sapphire-callout sapphire-callout-blue\"\u003e\n\u003cdiv class=\"sapphire-cta-group\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Kinetic Solar","offers":[{"title":"Default Title","offer_id":51415623991615,"sku":"KIN-4004","price":14.5,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0914\/6803\/8463\/files\/KFLK-42SFlashingKit600x600.webp?v=1775239469","url":"https:\/\/sapphirebattery.ca\/products\/kflk-42s-flashing-kit-with-2-x-4-self-drilling-lag-bolt","provider":"Sapphire Energy","version":"1.0","type":"link"}