Vent Through Roof Detail

Vent your bath and kitchen exhaust fans through the roof through a special roof hood.

Vent through roof detail.

Roof venting for dryer efficiency and safety the shortest and straightest ducting route is always best. A 2 re vent 3 6 above floor b 2 vent 6 through roof 10 from cooler c 3 cleanout 0 11 2 waste line e sanitarytee f fittingdouble fixture g combinationwye eighth bend h 2 clothes washertrap 6 to 10 above floor 1 2 clothes washer standpipe j 1 1 2 plumbing vent 6 above roof k 2 cleanout l sanitarytee m 2 waste line n 2. Download free high quality cad drawings blocks and details of roof vents. Venting through a roof vent or exhausting them in the attic could cause moisture problems and rot.

Since february 1997 active ventilation products avp has been a supplier of roof vents roof jacks and whole house fans for fema federal emergency management agency housing hud united states department of housing and urban development housing and for those in the modular commercial and residential markets. Every turn increases friction loss unless you use non restrictive elbows. The idea of roof vents existed for hundreds of years with natural vents employed in chinese buildings during the tang dynasty natural ventilation ducts in the buddhist monks caves and wind catchers incorporated in arabian architecture. The building codes and building science for.

All open vent pipes that extend through a roof shall be terminated at least number inches mm above the roof except that where a roof is to be used for any purpose other than weather protection the vent extensions shall be run at least 7 feet 2134 mm above the roof. Cad details document name pdf dwg download all cad construction details 37 1 mb 3 4 mb mc01 identification of roof areas 694 kb 167 kb mc01a single layer underlayment 678 kb 302 kb mc01b double layer underlayment 711 kb 322 kb mc02 vent pipe flashing 626 kb 349 kb mc03 valley. Air velocity reduction from friction loss promotes lint build up and makes the dryer work harder to completely dry each load.