Direct vents or vent stack the most common kind of vent is called a direct vent also referred to as a vent stack soil stack or vtr which is short for vent through the roof.
Modular home roof venting.
The direct vent and the auto vent.
Ventilation openings a sealed attic constructed by intentionally sealing the roof cavity an attic with insulation in the roof plane and a conventionally constructed vented attic.
The process tools and materials for this job are described below.
Roof vents for manufactured homes and rvs.
That was done for a handful of independent manufacturers.
Our focus back in 1997 was ventilating mobile homes with roof vents and whole house fans.
This cap features both a back draft damper and bird screen preventing outside air from entering the home and birds and small pests from entering duct work.
Mobile and manufactured homes typically use 2 kinds of vents in their ventilation system.
It is compatible with 3 or 4 ductwork and includes a 3 to 4 adapter for convenience.
Attic ventilation design strategies for manufactured homes melting snow and to vent moisture that moves from the conditioned space into the attic.
Here is a thread link to my photo storage forum that shows a 3 12 pitch manufactured home that not only has shingle vent ii ridge vent installed continuously but also smart vent along the eave edge on one side and as a mid roof application on the other side due to the garage modular section not allowing continuous upward air flowage from that eave to the ridge.
Ventline bath ceiling exhaust fan roof cap for pitched roof 22 99 black foundation vent with damper 9 69 ventline almond exterior sidewall range hood vent 9 99.
Active ventilation products inc avp manufactures affordable mobile home roof vents and more to the hud fema modular industry dating back to 1997.