Bathroom Exhaust Fan Through Flat Roof

I prefer to run a bath vent to outdoors via a horizontal line that goes across an attic and out through a gable end wall or one that vents down and outside through a roof overhang or soffit.

Bathroom exhaust fan through flat roof.

I am interested in learning if there is guidance or code that would cover venting a bath fan straight up through a flat roof. This article describes routing bath exhaust fan duct upwards through an attic or roof space or downwards through a floor or crawl space. Flat roof vents roof vents foundtion eave whole house ventilation department of install a roof mounted exhaust fan flat roof ventilation quick and easy installing best fan in thestylishnomad com 13560 best fan thestylishnomad com 2019. Fans with surfaceshield technology combine the power of broan nutone s bathroom ventilation fans with vital vio s led light technology to prevent the growth of bacteria mold yeast and fungi.

The warm air will exhaust out the duct and enter back into the attic through the soffit vent or ridge vent. Bathroom ventilation fan duct routing routing a bath vent duct down out or up through an attic or roof out. This discussion is now found at bathroom vent up through roof. Broan surfaceshield vital vio powered exhaust fan w led light antibacterial light.

Avoid venting through a soffit vent or ridge vent. My interpretation is that you are not allowed to place a fan vent termination on a flat roof. It also indicates that on sloped roof the termination should be. How to vent a bathroom fan through flat roof by saum hadi posted on november 5 2018 does a bathroom extractor fan have to run the outside roof vents the keys to proper bathroom exhaust pacific west roofing best roof vent fans for your van conversion outbound living types of vents for flat roof synergy infotech.

Venting through a roof vent or exhausting them in the attic could cause moisture problems and rot. In all cases the ducting needs to conduct the exchaust to the building exterior and needs to terminate in an animal proof vent cover. If you have access to the attic the fan can vent either through a gable wall or roof. Letting the fan exhaust into an open attic will cause moisture buildup on the underside of the roof.

Bath exhaust fans routed up through the roof.