Asphalt roofing shingles simply rely on the force of gravity to shed water from rain or snow melt.
Where should 1st roof shingle start.
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Starter shingles are the initial shingle products installed on the roof just before the first course of the finish shingles which will comprise the visible parts of the roof.
Repeat this on both sides of the roof.
Once this course is laid you can begin snapping horizontal chalk lines up the roof to ensure straight rows.
This 1 2 tab has to be cut off where it hangs off the left edge of the gable roof.
Some roofing components such as the flashing are easier to install without the siding.
Using your staple gun secure the felt to the roof.
Some roofing shingles such as duration are applied with a 6 1 2 inch offset and a 5 5 8 inch exposure over a prepared roof deck.
Get the real story about drip edge placement.
If your roof s width is not an even multiple of the shingle s length you will have a partial piece on one end of each row.
Finally nail the first course of shingles directly on top of and flush with the starter course.
Most asphalt shingles are 3 feet 91 4 centimeters in length.
Hammer down any large nails that are exposed by the removal.
Otherwise the siding installer will need to be extra cautious with the new roof.
Install a layer of roofing insulation as recommended by the roofing manufacturer.
Set the first shingle of the second row back a half tab 6 inches 17 centimeters from the edge of first shingle on the first row and so that the bottom of its tabs just touches the tops of the cutout slots on the shingle below.
Use your chalk and tape measure to mark about 12 inches up on the roof for the first set of shingles.
On the other hand you ll find some siding parts need to be nailed down under the roof shingles.
Inspect the underlying roof sheathing for damage and make any needed repairs.
In this sense it seems more practical to install the siding first.
Measure the length of a shingle as it lies across the roof.
Does the drip edge metal go under the tarpaper ice and water shield or underlayment on the eave.
The specifics of how shingles are laid on your roof vary by manufacturer.
Every roof has to start somewhere and that somewhere is at the appropriately named starter shingle also called starter strip.
Every 5 inches make a new mark until you get to the rop of the roof.
In the dictionary to shingle is.
If the roof shingles and all accessory roof components are arranged and overlapped with this in mind the roof should successfully shed water.
Understand the physics of how a sloped shingle roof works.
Contractors start at the bottom of the roof and work across the roof s surface and up.
Start from the top of the roof and remove the old shingles along with the flashing underlayment and vents.
This will help determine how the shingles will lay on the roof width.