Photos 1 6 show how it s done.
Covering attic ventilation holes.
In other words the entire vent opening doesn t count as vented space.
The answer is to cover the holes with a type of metal mesh called hardware cloth.
This will keep out pests without restricting airflow through the vent holes.
But before you cut any holes plan the locations of the attic vents.
Installation of this type of attic ventilation involves leaving a gap in the sheathing along the ridge and covering it with a perforated vent.
It easily installs in seconds place it nail it done.
That said air resistance and interference such as vent grates reduces the area of true ventilation.
Mark the roof venting locations from the attic where you can see the rafters and avoid placing roofing vents over them.
Generally speaking you need a ratio of 1 300 where for every 300 square feet of ceiling space you need 1 square foot of attic ventilation.
When installed as part of a properly balanced when installed as part of a properly balanced attic ventilation system gaf cobra exhaust vent is a shingle over exhaust vent installed at the roof ridge that helps exhaust excess heat and moisture from your attic.
Buy hardware cloth with 1 8 inch or 1 4 inch openings.
Adding attic vents is a simple matter of cutting holes and installing vents.
Camco standard roof vent cover opens for easy cleaning aerodynamic design easily mounts to rv with included hardware smoke 40453 4 7 out of 5 stars 1 984 31 66 31.
The stronger faster roof patch the quarrix smart plug roof patch is the smartest solution for covering holes in the roof fast.
It comes on an easy to install flexible mesh roll and is hand nailable with no complicated fitting wrapping nail gun adapters.