For best results use a block of wood about 6 long 2 4 is great laying the block of wood across the top of the base unit.
Roof crown vent.
They also stop squirrels and other wildlife from gaining entry and nesting in unscreened rooftop pvc vent pipes.
Use a rubber mallet to tap the wood block moving the base into place.
It can supply the venting equivalent of four square vents or three round ones while being all but.
Tap the base of the crown vent guard onto the end of the pipe.
The installation of roof vents is a crucial part of roof design because it allows for proper attic ventilation which may help prevent condensation and early aging of your roofing materials.
You can also use pvc cement to permanently attach the crown vent guard to the pipe.
Installing crown vent guards will provide year round proper airflow for rooftop pvc ventilation pipes.
Advantages of proper roofing ventilation.
Help protect your roof system from premature deterioration by installing a properly balanced attic ventilation system consisting of cobra exhaust vent at the ridge and adequate intake ventilation at or near the soffit areas of your roof.
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