Venting Into Roof Space

The following is a list of options for installing ventilation into a residential attic space.

Venting into roof space.

And many building codes require discharging exhaust to the building s exterior so it s just a good rule of thumb. Porch roof ventilation options. We ve also seen homeowners have to replace all their roof decking because it became rotted from the excess moisture. If the attic space is going to be conditioned either for living or mechanical purposes or if a home design calls for a vaulted ceiling provision r806 3 in the international residential code calls for the roof deck above the space to be vented continuously from the eave to the ridge.

Fairly simple stuff fresh air in old stale air out. Different forms of high and low level ventilation are used as well apart from the soffit vents and ridge vents pictured. Venting into the attic sends excess moisture to that space which can cause mold and other problems. I have set up a 2m x 2m tent which i intend to flower in and up until today i was going to make another big hole in the side of the garage wall ie i have a 12 fan that i plan to use for extraction of hot air produced by 2 600w hps lights ive since thought to myself would i get away with venting straight up into the roof space above or would it.

A ridge vent is a ventilation strip that is placed along the ridgeline of the home. I was thinking of using a straight pvc pipe to create a horizontal run leading towards the roof and then somehow terminating it at the eaves. It is likely that even of an air change per hour would be adequate for an attic space but each ventilation design must take into account the type of roof the design of the building and the site environment. Roof vents help make a home more energy efficient and allow humidity and hot air to escape the.

The pitch of the roof is important as flat roofs cannot take advantage of the stack chimney effect that a roof slope can provide. I understand this will be very bad for the wooden beams. We have a bathroom with no external windows and an extractor fan that we just discovered vents straight upwards into the cold loft space. Proper roof ventilation is an important aspect of home construction.

Roof ventilation this picture represents what is considered to be the best way to ventilate a roof space.