{"product_id":"carlisle-hardcast-316522-low-voc-primer-1-gallon","title":"Carlisle Hardcast 316522 Low Voc Primer 1 Gallon","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe CARLISLE HARDCAST 316522 is a low-VOC primer formulated for use in HVAC duct sealing and sheet metal applications. This single-gallon unit is applied before sealant or mastic to promote adhesion and ensure a durable, long-lasting bond on metal surfaces. Its low volatile organic compound (VOC) formula makes it suitable for use in environments where air quality and regulatory compliance are a concern. HVAC technicians and sheet metal contractors typically apply this primer as part of a two-step duct sealing system, preparing the substrate before the topcoat sealant is installed.\u003c\/p\u003e\n\u003cp\u003eThis primer is used in residential and light commercial HVAC duct systems where proper surface prep is required prior to mastic or sealant application. It is well-suited for use on galvanized steel, sheet metal fittings, and duct board surfaces. The 1-gallon container provides a practical volume for field use across multiple connections or duct runs in a single installation job.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eLow-VOC formula supports compliance with air quality regulations in restricted-use environments\u003c\/li\u003e\n  \u003cli\u003ePromotes adhesion between substrate and duct sealant or mastic topcoat\u003c\/li\u003e\n  \u003cli\u003e1-gallon container suited for multi-connection field applications\u003c\/li\u003e\n  \u003cli\u003eDesigned for use on metal duct surfaces including galvanized steel and sheet metal\u003c\/li\u003e\n  \u003cli\u003eNet weight of 8.33 pounds per gallon\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned as a preparatory primer for use with duct sealants and mastics in residential and light commercial HVAC duct systems. No specific compatible part numbers or system families were stated in the available product data.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eThis primer is typically applied by licensed HVAC technicians or sheet metal contractors as part of a duct sealing process. Power down the air handling system before working on duct connections. Apply the primer to clean, dry, and dust-free surfaces and allow adequate dry time before applying the finish sealant or mastic per the manufacturer instructions. Work in a well-ventilated area and follow local air quality and safety regulations when handling primer products.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eContainer Size\u003c\/strong\u003e: 1 Gallon\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 8.33 pounds\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVOC Content\u003c\/strong\u003e: Low VOC\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOrder Increment\u003c\/strong\u003e: 1\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: 316522\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"CARLISLE HARDCAST","offers":[{"title":"Default Title","offer_id":51396411490610,"sku":"316522","price":174.94,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/312834861.jpg?v=1782831323","url":"https:\/\/voomisupply.com\/products\/carlisle-hardcast-316522-low-voc-primer-1-gallon","provider":"Voomi Supply","version":"1.0","type":"link"}