{"product_id":"systemair-79957-roof-cap-6-inch-steel-black-bird-screen","title":"Systemair 79957 Roof Cap 6 Inch Steel Black Bird Screen","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe SYSTEMAIR 79957 is a steel roof cap designed for exhaust ventilation systems installed on sloped roofs. It ships fully assembled and includes a 0.25-inch discharge screen with bird screen protection, an aluminum backdraft damper with a rubber gasket seal, and a 3-inch duct collar extension. The cap is pre-painted black, making it ready for installation without additional finishing. Licensed HVAC technicians and ventilation contractors install this component as part of residential or light commercial exhaust systems where a weather-tight, bird-resistant roof termination is required.\u003c\/p\u003e\n\u003cp\u003eThis roof cap is suited for sloped roof applications where a clean, low-profile exhaust termination is needed. It accommodates duct sizes ranging from 4 to 12 inches, giving installers flexibility across multiple system configurations. The pre-painted black finish blends with common roofing materials. The 6-inch nominal size matches standard round duct runs used in bath exhaust, kitchen ventilation, and whole-house ventilation setups.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003ePre-painted black steel construction, ready to install without field finishing\u003c\/li\u003e\n  \u003cli\u003eIncludes 0.25-inch discharge screen with bird screen to prevent pest entry\u003c\/li\u003e\n  \u003cli\u003eAluminum backdraft damper with rubber gasket prevents reverse airflow and weather infiltration\u003c\/li\u003e\n  \u003cli\u003e3-inch duct collar extension simplifies connection to the duct run\u003c\/li\u003e\n  \u003cli\u003eCompatible with duct sizes from 4 to 12 inches for versatile system use\u003c\/li\u003e\n  \u003cli\u003eDesigned specifically for sloped roof installation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned as an OEM-style exhaust roof termination for sloped roof ventilation systems accommodating duct diameters from 4 to 12 inches.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eInstallation is performed by a licensed HVAC technician or qualified ventilation contractor. The exhaust fan and any associated electrical circuits must be de-energized before beginning work. The roof cap should be flashed and sealed according to local building codes and the roofing manufacturer requirements to prevent water infiltration. Consult applicable mechanical codes for required clearances from roof penetrations.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNominal Duct Size\u003c\/strong\u003e: 6 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompatible Duct Size Range\u003c\/strong\u003e: 4 to 12 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHeight\u003c\/strong\u003e: 6.375 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWidth\u003c\/strong\u003e: 16 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial\u003c\/strong\u003e: Steel\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFinish\u003c\/strong\u003e: Pre-Painted\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eColor\u003c\/strong\u003e: Black\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDischarge Screen\u003c\/strong\u003e: 0.25-inch bird screen\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBackdraft Damper\u003c\/strong\u003e: Aluminum with rubber gasket\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDuct Collar Extension\u003c\/strong\u003e: 3 inches\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: SYSTEMAIR\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: 79957\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"SYSTEMAIR","offers":[{"title":"Default Title","offer_id":51383326638386,"sku":"79957","price":158.93,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/312670708.jpg?v=1782593341","url":"https:\/\/voomisupply.com\/products\/systemair-79957-roof-cap-6-inch-steel-black-bird-screen","provider":"Voomi Supply","version":"1.0","type":"link"}