If you live in an area with inclement weather you should consider using a special ice and water protector.
How to staple roof underlayment.
All nails and staples should be placed on the lower half of the paper.
Roof underlayment prevents the roof deck from being exposed to the elements before or while the roofing material is being installed.
Cut drip edge flashing at an angle at the corner press it lightly against the eave end.
Start the roof felt at one bottom corner of the roof.
I am deciding on a contractor for a new roof and as i recall most said they simply staple the underlayment.
With staples or plain roofing nails the heads can sometimes tear right through the underlayment.
Apply and attach drip edge.
The paper should then be nailed in or stapled every three to four inches across.
Using your staple gun secure the felt to the roof.
I only recall one saying they used caps.
The overhang to the next strip should be 3 8 inch.
Overlap each row at least 3 to 4 inches.
Where a roll ends and a new one is begun the two rolls should be overlapped by four inches.
Install new flashing metal.
Tack it in place at the corner with the end flush with the end of the roof and the bottom edge of the roll right along the bottom of the roof.
A recent post on underlayments brought up another subject of underlayment attachment.
However depending on local roofing and fire codes it may be appropriate to secure synthetic underlayments with staples.
Start by laying asphalt felt or other underlayment over the roof.
I checked certainteed and all i saw was that they.
How to do it.
Apply drip edge to the eave.
Ideally the roof covering material would be installed as soon as possible but in reality the roof may be protected by only the underlayment for days weeks or sometimes months.