Take care the first piece is aligned precisely perpendicular square to the edge.
How to install roof vents in metal roof.
Determine the type of vents you wish to install.
Take your first sheet of metal and place it on the roof so that it overhangs the edge at least 3 4 in 1 9 cm.
Reposition the metal ridge cap over the roof peak with the end of the ridge cap aligned with the edge of the roof peak.
Space the screws about 12 in 30 cm apart down the entire piece of metal.
This may include the round whirlybird types that are placed around the roof to allow.
Use 1 1 4 inch nails to cover the outline of the roof with strips of metal eave flashing also called edging.
Hold the vent piece in place until you can nail it down.
Center the vents on the peak of your roof so the sides of the vent lay flat on the roof.
The old still reliable method of venting the soffit.
Place corner pieces where panels will meet bends at the edge of the roofing.
Brush a layer of tar around the hole opening.
Venting the ridge cool outside air travels under the shingles to the vented ridge pulling out moisture and heat.
Optimal air movement not only promotes temperature regulation and energy efficiency but also reduces the risk of moisture related issues like condensation build up.
Slide the vent into the hole and make sure it makes good contact with the tar.
Cut off any excess closure strip that hangs over the edge of the roof with a utility knife.
If you need to cut the vent to fit at the end of your roof use a utility knife to make it flush with your home.
Selecting metal roof and wall panels is a strategic investment for the life of a building.
Various size vents will.
Use enough vent pieces to fill the length of the slot you cut.
Beneath the roof eaves in the soffit is the standard place to install intake vents because it s the lowest spot in the roof.
If there are gutters installed on the eaves the eave flashing should be installed to overhang the lip of the gutter by about 1 2 inch.
Use your neoprene washer head screws to secure the metal to the sheathing.
Prepare the roof area.
To vent the roof holes are cut in the old roof above the soffit which pulls air through the soffit vents underneath.
This will involve determining the placement of the vents.
How to install vents on a metal roof.