The lomanco omni wall shingle over vent offers functional ventilation for where your roof joins a wall.
Omni roof ridge vent.
The chalk lines should be used to help keep the omniroll centered over the peak of the roof during installation.
During the major snow storm in january 2016 the winds blew the snow into the attic through this ridge vent causing damage to the drywall on the 3rd floor.
The engineered material guarantees it will last as long as any shingles you use.
This vent is made with virgin plastic a will definitely hold its shape and integrity longer than comparable ridge vents.
Step 3 it is very important that the omniroll ridge vent be aligned correctly and evenly down the roof s ridge.
Comes with ribbed nails for both securing the vent to the roof and the associated shingles 2 nails per cap shingle.
I own a 3 story townhome with your basic metal ridge vent on an asphalt shingled roof.
All omni series ridge vents come with a limited lifetime warranty.
Snap a chalk line down both sides of the ridge at a distance of 7 down from the peak as shown in figure 4.