Fans and vents may be installed on the roof system that will draw the air out of the attic space and exhaust it to the exterior.
Schmatic of propery ventilated attic.
Just like properly sizing your furnace and air conditioning unit you want precisely the right amount of attic ventilation for your home.
Rafter vents come in 4 foot lengths and 14 1 2 and 22 1 2 inch widths for different rafter spacings.
The first step is to check out this 60 second video and learn about the 300 1 rule the difference between intake and exhaust ventilation and why proper ventilation is so important to get right to help calculate your attic ventilation needs visit gaf ventilation calculator.
Next make sure you have one of the new roof exhaust vents on the roof and properly sealed.
In the winter warm moist air seeps into the attic from the living space below.
Rafter vents come in 4 foot lengths and 14 1 2 and 22 1 2 inch widths for different rafter spacings.
Attic ventilation works on the principle that heated air naturally rises primarily utilizing two types of vents.
Proper attic ventilation offers numerous advantages to the homeowner.
Next make sure it is securely fastened on both ends of the pipe.
Figure 1 in hot weather proper ventilation prevents the attic from becoming a hot box that spills unwanted heat down through the attic floor into the living area.
Most bath vents for homes are 3.
To install the rafter vents staple them directly to the roof decking.
Rafter vents ensure the soffit vents are clear and there is a channel for outside air to move into the attic at the soffits and out through the gable or ridge vent.
Rafter vents ensure the soffit vents are clear and there is a channel for outside air to move into the attic at the soffits and out through the gable or ridge vent.
More attic ventilation is good.
Whole house fans powered attic fans.
I recommend replacing the vent pipe with insulated vent pipe.
Intake vents located at the lowest part of the roof under the eaves allow cool.
These fans may be controlled by a switch or a thermostat which detects heat build up in the attic space and automatically exhausts the attic space.
That keeps your attic dry and reduces ice dams.
As the ventilation helps moderate the temperatures in the attic this may also help moderate the temperature in the rest of the home it helps prevent moisture buildup in your attic which during colder months can help prevent condensation issues that can affect the.
How do you pick the right attic vent.
In the summer good attic ventilation reduces heat buildup.
To install the rafter vents staple them directly to the roof decking.
I see many questions about leaking bath exhaust vents.
That cuts cooling costs and prolongs shingle life.
Improper attic ventilation can lead to higher energy consumption as an air conditioner will have to work harder to maintain a constant indoor temperature on the upper floors.
