Proper Vents Attic
Mark attic roof air vent locations.
Proper vents attic. To install the rafter vents staple them directly to the roof decking. Center nails between rafters 18 in. 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. Noticed one of the attic vents was not working.
Ensuring your home has the proper attic ventilation according to these guidelines however can save yourself the stress and hassle of an emergency roof repair. Help purchased home 8 years ago with 2 power attic vents. 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. Things have been ok low energy bills house very comfortable.
Owens corning s raft r mate attic vent is an extruded polystyrene foam vent designed to assure unrestricted airflow from the soffit to the ridge vent. Proper attic ventilation offers numerous advantages to the homeowner. 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. Although there are many different types of roof vents to choose from ensuring you have the right number of both intake and exhaust vents is a central part of roof design.
Additionally raft r mate attic vent has an optional bend down air stop or insulation block at the top plate of the wall in one easy to install product. Told that the 2 attic power vents are the only attic ventilation i have the house does have vented soffits every other soffit cover is vented. 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. Drive nails up through the sheathing and shingles to mark roof air vent locations.
From the roof s peak. Roof vents will provide about half of the vent area and soffit vents the other half. How to install roof vents. Whole house fans powered attic fans.
Rafter vents come in 4 foot lengths and 14 1 2 and 22 1 2 inch widths for different rafter spacings.