Finally nail the first course of shingles directly on top of and flush with the starter course.
Where should 1st roof shingle start.
Start by laying asphalt felt or other underlayment over the roof.
If the roof shingles and all accessory roof components are arranged and overlapped with this in mind the roof should successfully shed water.
Some roofing components such as the flashing are easier to install without the siding.
Otherwise the siding installer will need to be extra cautious with the new roof.
Asphalt roofing shingles simply rely on the force of gravity to shed water from rain or snow melt.
Contractors start at the bottom of the roof and work across the roof s surface and up.
Install a layer of roofing insulation as recommended by the roofing manufacturer.
This will help determine how the shingles will lay on the roof width.
Once this course is laid you can begin snapping horizontal chalk lines up the roof to ensure straight rows.
Start from the top of the roof and remove the old shingles along with the flashing underlayment and vents.
Hammer down any large nails that are exposed by the removal.
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.
Every 5 inches make a new mark until you get to the rop of the roof.
On the other hand you ll find some siding parts need to be nailed down under the roof shingles.
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.
Understand the physics of how a sloped shingle roof works.
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.
Measure the length of a shingle as it lies across the roof.
Every roof has to start somewhere and that somewhere is at the appropriately named starter shingle also called starter strip.
As seen in m.
This 1 2 tab has to be cut off where it hangs off the left edge of the gable roof.
Using your staple gun secure the felt to the roof.
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.
In the dictionary to shingle is.
In this sense it seems more practical to install the siding first.
The specifics of how shingles are laid on your roof vary by manufacturer.
Most asphalt shingles are 3 feet 91 4 centimeters in length.
Use four roofing nails per shingle as indicated on package instructions six nails in high wind areas.
Inspect the underlying roof sheathing for damage and make any needed repairs.
Does the drip edge metal go under the tarpaper ice and water shield or underlayment on the eave.