How To Put On A Roof Vent

When determining the placement of the roof vents measure the vent housing and mark off the space on the roof.

How to put on a roof vent.

Multiply it by 18 square inches the net free air per foot of ridge. Installing soffit intake vents. Adding static exhaust vents. Drill a hole upward through the middle of the area you desire and leave the drill bit sticking up through the roof so.

Using the example above three round vents would be needed 432 144 3 vents or nine square vents 432 50 8 64 or 9 vents. See below for a shopping list and tools subscribe. Drive a nail through your attic to mark where you want your vent. Vents evenly spaced underneath the roof provide intake.

To install the vent the roofer slips the flange the metal lip of the vent under shingles at the upper part of the hole and rests the flange on top of the shingles at the down slope part of the hole. Fasten the vent to the roof decking and rafters or trusses by nailing through the flange on both sides of the vent using the nails and nail spacing recommended by the manufacturer. First head up to your attic and determine where you want to install your roof vent. Mark the outline of the roof cuts that will be needed then use a skill saw to cut the outlined space.

What you ll need to install a roof vent. This old house general contractor tom silva shows how to properly install a roof mounted bath fan vent. Apply a layer of sealant to the edges of the hole then. To calculate an example of exhaust and intake use 25 feet of roof ridge vent.

Add any connectors and end caps that came with your ridge vent system to ensure the vent is watertight. Check around the edges of your attic for any wiring.