Lay the starter row of metal shingles at the drip edge and affix to the roof with metal roofing nails.
How to fasten down roof ridge vent.
Add any connectors and end caps that came with your ridge vent system to ensure the vent is watertight.
To calculate an example of exhaust and intake use 25 feet of roof ridge vent.
Work up from the initial row starting at the lower corner in a diagonal pattern staggering the shingles to prevent gaps.
Vents evenly spaced underneath the roof provide intake.
Overlap the ridge cap six inches.
The only problem with this lifestyle is that the quality of your indoor air can be up to 5 times worse than the outside air.
Beginning at the outside edge of your roof place each panel directly onto the purlins that are attached to the roof trusses.
Flashing is installed to surround roof features such as vents chimneys and skylights.
Multiply it by 18 square inches the net free air per foot of ridge.
There are some homes where the indoor air quality.
To finish a shingle ridge cap you should set.
Roof ridge vents can reduce indoor air pollution levels.
Most metal shingles will be attached to the roof using metal shingle.
Next pre drill holes on the end and side ridges of the panels spacing the holes 6 to 8 inches apart.
Screw down the panels using the pre drilled holes then continue across the roof until it is completely covered.
When you are overlapping a metal ridge cap apply silicone sealant 2 inches from the inside overlap.
Don t leave the cut edge of the ridge cap exposed.
One of the great things about a ridge vent is that it is at the topmost point of your roof with hot air constantly rising it is bound to make it way out of the top of your vents thus bringing in cooler air through your soffit vents and into your roof cooling it down.
Ensure the shingles aren t too cold.
This gives you 450 square inches of total exhaust.
Cut the last piece of ridge cap to fit while accounting for the six inch overlap and 1 required to prepare the ridge cap end.
Chalk lines should be used to help ensure clean straight professional looking shingle ridge cap installation.
Roof flashing is a thin material usually galvanized steel that professional roofers use to direct water away from critical areas of the roof wherever the roof plane meets a vertical surface like a wall or a dormer.
The average person spends about 90 of their time indoors each day.
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.
Since exhaust and intake must be equal 450 square inches of total intake is required as well.
Position the aluminum ridge vent along the reference line.