Attic ventilation

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When your attic is an unconditioned space — i.e. not heated in the winter or cooled in the summer — its temperature and humidity can reach critical levels. That creates a breeding ground for mildew and shortens the life of your roof. The solution is simple: Ensure proper attic ventilation. One of the best ways to do that is to install an attic fan.

Attic fans are relatively common additions to homes with large attics. These fans serve to draw hot or humid air out of the attic. Whichever of these is your goal; you may be wondering how long you should run your attic fan for. In this post, we leverage industry professional knowledge and research to provide […]

Roof venting 101

1007 CFM Mill Finish 15-Watt Solar Powered 14 in. Dia. Roof Mounted Attic Exhaust Fan

It's a Maxxair heavy duty exhaust fan with integrated shutter - 14" fan diameter. Rough opening is 20.5" X 20.5". Hubby says it's way too big, but "Ask...

Matt Risinger on Instagram: "Monopoly Framing (done less expensive). @thehomesteadbuilders framed this home traditionally but used some smart details to ensure the home performed well in a blower door test. This @huberwood Zip is the air barrier separation between the porch attic and the house attic. Notice the zip went up BEFORE the ceiling framing. They plan to ventilation for this enclosed space by using a soffit vent in two locations. You always want to vent spaces that are enclosed but…

A loft conversion, some structural considerations.

Low-profile, compact design. 40 Square inches of Net Free Area airflow each. Galvanized steel construction with a 7.5-in round opening. Slant-back design. Suitable for 3/12 to 12/12 roof pitch. Part of a balanced attic ventilation system for year-round airflow. Helps to fight heat and moisture buildup inside an attic as well as ice dams in cold climates. Requires intake ventilation for proper performance. Use the Lowe's online calculator to determine how many are needed for each attic. Air…

Move over powered attic ventilator. There’s a new boss in town. For decades, concerned homeowners have looked for ways to keep their attics cool: gable vents, ridge vents, turtlebacks and whirlybirds. Then they moved from passive to active and latched…