Some roofing components such as the flashing are easier to install without the siding.
Flashing roof to siding snow.
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Install the first course of shingles.
While some skylight manufacturers include flashing in their products sometimes roofing professionals have to create it or purchase it separately.
In this sense it seems more practical to install the siding first.
Step flashing is used to provide a water tight connection where roofing adjoins a vertical juncture.
On the other hand you ll find some siding parts need to be nailed down under the roof shingles.
The remaining siding on the sidewall will overlap the step flashing and nail.
Galvanized sheet metal bent at a 90 degree angle i e.
Posted march 4 2017 filed under roof installation roof repair maintenance.
The edge of the roof has thin metal flashing that helps water drip off the roof without damaging the home or causing a leak.
This drip edge flashing provides protection from water damage along the eaves and rake of a roof.
Bent into an l shape.
Here silva and the apprentices are installing architectural shingles.
Otherwise the siding installer will need to be extra cautious.
The extra kick at the bottom of the face directs run off away from the structure.
They are designed to reduce large sheets of snow and ice from avalanching off a sloped roof and causing extensive damage to property and pedestrians.
Open valleys have metal flashing to protect this critical area of the roof.