But it doesn t work that way.
How to install roof shingles and flashing.
Use caution so you don t damage any windows or siding in the process.
Install the step flashing.
Using your hammer pry up the nails.
Begin by removing the shingles using a roofing shovel.
Flashing can be purchased in pre formed styles to help you install it more easily and these include.
Vent pipe flashing as the name implies this flashing is usually.
To install asphalt shingles start by installing underlayment and new flashing on the roof.
It may seem as if a single piece of flashing would offer more protection than many pieces of step flashing.
Once you ve done that cut your shingles to size if they re not already.
How to apply roof ventilation on shingles roof.
Lifting the shingles around the vent if you ve already laid them or they re already part of an existing roof slide the upper portion of your vent flashing.
To install vent pipe flashing you will be placing the upper portion below the shingles while allowing the bottom portion that extends below the pipe to lay exposed on top of the shingles.
Continuous flashing against a sidewall is one way to install a roof but it s not the correct way.
Remove the metal flashing.
For instance when using metal flashing with shingles with a typical 143 mm 5 5 8 exposure such as traditional 3 tab shingles the size of the flashing will be 250 mm x 200 mm 10 x 8.
Then begin nailing the shingles to the roof working in rows and starting at the edge of the roof.
Bring a trash can up on the roof so you have a place to throw old shingles and flashing.
Before running the first row of shingles install a piece of step flashing along the sidewall so that it sits tightly against the roof.
Install your underlayment completely and your shingles up to where the wall begins so that the first piece of flashing or the corner flashing will rest on a shingle.
Align the step flashing with the leading edge of the starter course and nail it in place using one nail in the upper corner.
To make corner flashing take your tin snips and cut a 45 degree line from an outside corner to the center fold.
The 250 mm 10 length is bent in half so that 125 mm 5 will reach up the wall surface and the other 125 mm 5 will extend onto the.
Step flashing built to protect joints between roofs chimneys and other objects like skylights this flashing steps up above the shingles and attaches to the object providing comprehensive water protection.
