Use a utility knife with a hook blade to cut the shingles back 3 inches or as recommended by the vent manufacturer from the ridge.
How shingle 3 inch gable aluminum roof.
Install the roofing screws vertically along each rib in the panel.
However make sure that you do not nail into the tar strip.
Place nails in the three tab shingles about 3 4 inch 1 8 centimeters above the cutouts near where the tab meets the upper part of the shingle.
Roof shingle types and differences.
Mark 12 inches up on the roof for the first course of shingles then mark every 5 inches all the way up the roof to set your reveal.
There are two styles of asphalt shingles you can use.
Roofing felt drip edge shingle.
Also place a nail 2 inches from each end of the shingle in line with the other two.
For this project you will need.
Using your combo square mark a 45 degree line along the drip edge.
To lay out the design for the shingles begin at the bottom of the roof and place a tape measure inch from the edge of the roof to ensure the shingles overhang the drip edge.
Align and install the 2 tab shingle aligned with the next 5 inch higher chalk line.
Insert a flat pry bar under the shingle cap and lift up on both the shingle and the nail head to loosen the nail then pry out the nail.
The second course starts a stair stepping pattern.
Complete the row with 3 tab shingles.
Do this on both sides of the roof.
A 3 tab and an architectural.
Using t bevel which was previously locked to the pitch of your roof mark a line on the drip edge side of the gable up to the 3 mark.
Make a 3 mark from the edge on top of the gable trim.
This 16 inch value is the standard width of an aluminum roofing sheet.
Remove the shingle cap.
Begin row 4 with a shingle cut in half 1 and tabs and complete that row.
In all use four nails per 3 tab shingle.
Trimming and finishing your roof includes installing plastic or metal flashing for the gable ends and eaves.
These roofs are usually present due to an addition being added to a gable type home.
Make a 1 mark from the edge on top of the gable trim.
Both are installed in the same.
The first shingle course is a full row of 3 tab shingles installed along the bottom edge of the roof flush with the starter strip.
Estimate how many aluminum roofing sheets are needed by dividing the width of the roof by 16 inches.
Align the first metal roofing panel so that it overlaps the edging by 1 2 to 3 4 of an inch and is square to the roof line.