{"product_id":"bay-cities-metal-bay-cities-zincalume-rectangular-t-top-roof-jack-4-in-x-11-in-28-gauge-mi","title":"Bay Cities Metal Bay Cities Zincalume Rectangular T-Top Roof Jack, 4 in. x 11 in., 28 Gauge, Mill Finish","description":"\u003ch1\u003eBay Cities Metal Bay Cities Zincalume Rectangular T-Top Roof Jack, 4 in. x 11 in., 28 Gauge, Mill Finish\u003c\/h1\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eThis Bay Cities Metal rectangular T-Top roof jack is a 4 in. x 11 in., 28 gauge roof flashing made from Zincalume-coated steel in a mill finish. It seals rectangular pipe or vent penetrations at the roof plane. Sold as one piece per order.\u003c\/strong\u003e\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eKey Features:\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eZincalume coated:\u003c\/strong\u003e Zincalume coating combines aluminum and zinc for corrosion resistance on exposed roofing metal.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRectangular T-Top:\u003c\/strong\u003e Rectangular T-Top design fits rectangular vent or duct penetrations at the roof.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e28 gauge steel:\u003c\/strong\u003e 28 gauge sheet steel provides a workable yet sturdy flashing material.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4 x 11 in. opening:\u003c\/strong\u003e Sized for a 4 in. x 11 in. rectangular penetration.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMill finish:\u003c\/strong\u003e Mill finish suits standard flashing applications where paint matching is not required.\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003ch2\u003eSpecifications Table:\u003c\/h2\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eDetails\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBay Cities Metal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSell unit\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 piece\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct line\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBay Cities Metal roof jacks\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAvailable colors\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e['Mill']\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAvailable sizes\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e['4 in. x 11 in., 28 GA']\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eZincalume-coated steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFinish \/ texture\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMill\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eGauge\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e28 ga\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOpening size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4 in. x 11 in.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRectangular T-Top roof jack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eIntended use\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFlashing rectangular pipe and vent penetrations on roofs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAssembly\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eInstall over penetration and integrate with roofing courses\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003chr\u003e\u003ch2\u003eCoverage \u0026amp; How Much You Need:\u003c\/h2\u003e\u003cp\u003eOne roof jack flashes a single 4 in. x 11 in. rectangular penetration. Count rectangular vents on the roof plan to determine the quantity needed.\u003c\/p\u003e\u003ch2\u003eFit and Compatibility:\u003c\/h2\u003e\u003cp\u003eDesigned for rectangular penetrations measuring 4 in. x 11 in. on pitched roofs; integrate with the surrounding roofing material so courses lap the base correctly. Other penetration sizes require a different jack size.\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eFrequently Asked Questions (FAQ):\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eQ: What size opening does this fit?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e It fits a 4 in. x 11 in. rectangular pipe or vent penetration.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eQ: What is the metal?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e 28 gauge Zincalume-coated steel, which resists corrosion for exterior roof service.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eQ: How is a T-Top roof jack installed?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Set the jack over the penetration, work the base into the roofing courses so water sheds over the base edges, and seal per standard flashing practice.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eQ: Is it painted?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e No, it is supplied in a mill finish.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eQ: Can it be used on flat roofs?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e It is categorized as residential pipe flashing; suitability for flat roof details depends on your flashing design and local practice.\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eExpert Verdict — Reviewed by the SuperArbor Pro Desk\u003c\/h2\u003e\u003cp\u003eSize the jack opening to the actual duct with a small clearance so you can seal the joint, and be sure uphill laps are over the base flange so water cannot funnel behind it. Zincalume holds up well in most climates, but where the jack meets dissimilar metals use compatible fasteners to limit galvanic corrosion. On steep slopes, verify the T-Top flange width covers the penetration shingle cut properly.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eSheet metal edges are sharp; wear cut-resistant gloves when handling and forming the roof jack on the roof.\u003c\/em\u003e\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eOrder the Bay Cities 4 x 11 Zincalume T-Top roof jack for tight rectangular vent flashing.\u003c\/strong\u003e\u003c\/p\u003e","brand":"Bay Cities Metal","offers":[{"title":"Default Title","offer_id":67804870803670,"sku":"BAYRJT411G","price":62.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0778\/5244\/2838\/files\/BAYRJT411G_0.jpg?v=1793125055","url":"https:\/\/buildsupplyus.myshopify.com\/products\/bay-cities-metal-bay-cities-zincalume-rectangular-t-top-roof-jack-4-in-x-11-in-28-gauge-mi","provider":"Buildsupply","version":"1.0","type":"link"}