{"product_id":"carlisle-hardcast-clk-red-high-temp-silicone-sealant-10-1-oz","title":"Carlisle Hardcast CLK-RED High Temp Silicone Sealant 10.1 Oz","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe CARLISLE HARDCAST CLK-RED is a one-component, high-temperature silicone sealant packaged in a standard 10.1 oz cartridge. It delivers a flexible, watertight seal rated for continuous exposure from -62 degrees F to 500 degrees F, making it suitable for demanding HVAC, sheet metal, and mechanical applications where thermal cycling is a factor. The red color aids visual identification of treated joints. Licensed HVAC technicians, sheet metal workers, and plumbers use this sealant where conventional low-temp sealants would break down, particularly around flues, plenums, and high-heat duct connections.\u003c\/p\u003e\n\u003cp\u003eCLK-RED is designed for sealing joints, seams, and penetrations on HVAC ductwork, equipment housings, and similar assemblies that experience elevated operating temperatures. Its resistance to rain, sleet, snow, and ozone makes it a reliable choice for outdoor mechanical equipment, rooftop units, and exposed duct transitions. The sealant retains its designed physical properties after prolonged environmental exposure, keeping seals weatherproof over the service life of the installation. It is dispensed with a standard caulk gun and cures to a flexible, durable bead.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eTemperature range of -62 degrees F to 500 degrees F for high-heat HVAC and mechanical applications\u003c\/li\u003e\n  \u003cli\u003eOne-component formulation — no mixing required, ready to dispense from a standard 10.1 oz caulk cartridge\u003c\/li\u003e\n  \u003cli\u003eRed color for easy joint identification and inspection\u003c\/li\u003e\n  \u003cli\u003eResistant to rain, sleet, snow, ozone, and temperature extremes\u003c\/li\u003e\n  \u003cli\u003eManufactured in the USA\u003c\/li\u003e\n  \u003cli\u003eRetains design properties after extended outdoor and thermal exposure\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned as an OEM-style sealant for high-temperature HVAC, sheet metal, and mechanical duct sealing applications requiring a one-component silicone rated to 500 degrees F.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eInstallation is typically performed by licensed HVAC technicians or sheet metal workers. De-energize and allow equipment to cool completely before applying sealant to any surface near heat sources or energized components. Surfaces should be clean, dry, and free of grease or debris prior to application. Note that this product is subject to California Proposition 65 warnings — consult the product safety data sheet before use in enclosed spaces.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eType\u003c\/strong\u003e: High Temperature Silicone\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eColor\u003c\/strong\u003e: Red\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSize\u003c\/strong\u003e: 10.1 oz\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTemperature Range\u003c\/strong\u003e: -62 degrees F to 500 degrees F\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHeight\u003c\/strong\u003e: 9.45 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWidth\u003c\/strong\u003e: 1.75 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLength\u003c\/strong\u003e: 1.75 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.74 pounds\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e: USA\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUPC\u003c\/strong\u003e: 638532809879\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProp 65\u003c\/strong\u003e: Yes\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eStandard Information\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: CARLISLE HARDCAST\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: CLK-RED\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"CARLISLE HARDCAST","offers":[{"title":"Default Title","offer_id":51268055335218,"sku":"CLK-RED","price":22.58,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/308913410.webp?v=1780697951","url":"https:\/\/voomisupply.com\/products\/carlisle-hardcast-clk-red-high-temp-silicone-sealant-10-1-oz","provider":"Voomi Supply","version":"1.0","type":"link"}