This picture gives you an idea of the condition of the existing roof plywood and you.
How to shingle peak roof.
How to shingle a roof 90 pics pro tips recommendations step 1.
Nailing the cap.
Capping a roof is the last thing done during a roofing project.
Positioning of the cap.
You can either use special shingles called ridge shingles or cut a number of regular shingles into 3 tabbed equal pieces and bend each so they fit snugly on the roof peak and nail them into place.
The cap must be positioned to minimize wind and weather damage after it has been nailed down.
It must be completed at the very end.
Measure down 6 inches from the center of the roof ridge and chalk a line parallel with the ridge.
Basic steps to replacing a shingle roof.
Many pros shingle in a vertical line up the roof because it s much faster.
Install the drip edge.
Overlap the shingles to cover the nails on the side edges and use roofing cement to cover the nail heads on the shingle at the end of the roof.
Place the second step flashing piece over the end shingle in the first course by positioning it 143 mm 5 5 8 above the bottom edge of the exposed asphalt shingle.
Cover your roof with felt paper and overlap the ridges at the peak.
Put in one 2 inch long nail back 6 inches from the edge of the cap shingle.
You ll need longer nails for this part as you re driving through more layers of shingles.
Cut and bend a shingle to conform to the shape of the peak of the roof.
Butt the edge of the first cap shingle along this line.
The original plan was to preserve a portion of the existing roof since.
Strip off old shingles.
Known in the trade as vertical racking or staggering this how to lay shingles method enables the roofer to install a single column of shingles all the way to the peak without the wasted back and forth motion necessary to fill several rows of stair steps.
Install the self stick underlayment.
How to cap an asphalt shingled roof preparing the peak.
Remove existing roof and underlayment.
Make sure that the tab of the shingle in the second course will cover it completely.
Install flashing on any valleys for waterproofing.
Secure the last ridge cap shingle with four nails at the corners of the shingle and cover the nail heads with roofing cement.
Hammer a roofing nail on each side of the shingle five inches from the bottom edges and one inch from the side edge.