{"product_id":"art-s-sheet-metal-mfg-4fjr4412-art-s-sheet-metal-mfg-4-fan-jack-with-regular-base-4-12-pitch-1-piece-galvanized-roof-ven","title":"Art's Sheet Metal Mfg. 4\" Fan Jack with Regular Base, 4\/12 Pitch, 1-Piece Galvanized Roof Vent Flashing","description":"\u003ch1\u003eArt's Sheet Metal Mfg. 4\" Fan Jack with Regular Base, 4\/12 Pitch, 1-Piece Galvanized Roof Vent Flashing\u003c\/h1\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eThis is Art's Sheet Metal Mfg.'s 4\" fan jack flashing with a regular base formed for 4\/12 roof pitches, supplied as a 1-piece unit. The galvanized sheet-metal boot flashes around a 4\" vent pipe as it penetrates the roof plane. Sold as a single piece weighing approximately 2.75 lb.\u003c\/strong\u003e\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eKey Features:\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits 4\" vents:\u003c\/strong\u003e Formed to flash a 4\" diameter vent pipe penetration.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4\/12 regular base:\u003c\/strong\u003e Regular base design is intended for 4\/12 roof pitch applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOne-piece form:\u003c\/strong\u003e Ships as a single fabricated piece with no assembly required.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGalvanized metal:\u003c\/strong\u003e Fabricated from galvanized sheet metal for corrosion resistance on the roof.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLightweight unit:\u003c\/strong\u003e Each piece weighs approximately 2.75 lb for easy handling on the roof.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMade by Art's:\u003c\/strong\u003e Fabricated by Art's Sheet Metal Mfg., a dedicated sheet-metal flashing manufacturer.\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\u003eArt's Sheet Metal Mfg.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eManufacturer model\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4FJR4412\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\u003eFan Jack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProfile \/ style\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFan jack, regular base, 1-piece\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePipe size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4 in.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRoof pitch\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4\/12\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGalvanized sheet metal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2.75 lb per piece\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAssembly\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eOne-piece, no assembly\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eIntended use\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eVent pipe flashing at roof penetrations\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003chr\u003e\u003ch2\u003eFit and Compatibility:\u003c\/h2\u003e\u003cp\u003eDesigned for 4\" diameter vent pipes installed through a 4\/12 pitch roof. Pair with compatible pipe boots and sealant per the roofing manufacturer's instructions; steep-pitch or other-size applications require a different base or boot.\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eFrequently Asked Questions (FAQ):\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eQ: What pipe size does this fan jack fit?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e It is formed for a 4\" diameter vent pipe penetration.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eQ: What roof pitch is the regular base made for?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The regular base is designed for 4\/12 pitch roofs.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eQ: Is this sold as a single piece or a pack?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e It is sold as one piece per selling unit.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eQ: Does it need assembly?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e No, it is supplied as a 1-piece fabricated flashing.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eQ: How much does one piece weigh?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Approximately 2.75 lb per piece.\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eExpert Verdict — Reviewed by the SuperArbor Pro Desk\u003c\/h2\u003e\u003cp\u003eMatch the fan jack base to the actual roof pitch before ordering; the regular base here suits 4\/12 slopes, while low-slope or steep-slope decks call for alternate bases. Install in shingle courses so the flange laps over underlayment below and under shingles above, and seal the flange per the roofing manufacturer's details. For non-standard pitches or larger pipe diameters, select the corresponding Art's base or boot size instead.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eWork safely on sloped roofs using fall protection, and seal all flange edges to keep water out of the penetration.\u003c\/em\u003e\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eOrder the Art's Sheet Metal Mfg. 4\" Fan Jack Regular Base for your 4\/12 vent penetrations today.\u003c\/strong\u003e\u003c\/p\u003e","brand":"Art's Sheet Metal Mfg.","offers":[{"title":"Default Title","offer_id":53529527976303,"sku":"4FJR4412","price":34.18,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0830\/3499\/7051\/files\/438161_default_hero.jpg?v=1790350997","url":"https:\/\/superarbor.io\/products\/art-s-sheet-metal-mfg-4fjr4412-art-s-sheet-metal-mfg-4-fan-jack-with-regular-base-4-12-pitch-1-piece-galvanized-roof-ven","provider":"Super Arbor","version":"1.0","type":"link"}