Place the top edge of the roofing along the chalk line.
Roll roof selvedge edge overlap.
For added protection add a boot flashing.
Width strip of roll roofing so that its lower edge and ends are flush with the edge strips at the eaves and rakes.
Roll roofing overlap horizontal choose the overlap width according to the number of plies of roof to be installed.
2 or 3 varies by manufacturer or 16 12 or 9 exposure for 2 3 or 4 ply roofs respectively.
To seal a plumbing vent spread roofing cement around the pipe.
Lift the lower edge of the first course and cover the edge strips with lap cement.
This should give you a 1 inch overhang on the eaves including the top edge of.
Fasten the upper edge with nails so that the next course will overlap them a mini mum of 1.
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Apply cement at all of the seams and nail down all sheets as you progress leaving room for about one inch of overhang on each side.
The ends of each row of roofing are folded back to allow room to apply a 6 inch band of roofing cement before they are nailed into place every three inches along the edge of the overlap.
Roll out and cut roll roofing to cover the length of the roof.
Rolls of rubberized asphalt underlayment may come with a selvedge edge along one side of the roll.
Continue to stagger the rows as you work with a two inch overlap on the horizontal seams and a six inch overlap on the vertical seams.
The selvedge edge is designed to create a strong watertight seal along the edges where rolls overlap.
The piece should overlap the lower course by at least 4 inches.
In cold weather turn the course back carefully to avoid.
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Selvage edge roofing is installed the same way as full width roll roofing except that each course overlaps the previous course 19 inches instead of 4.
Embed both roofing pieces in cement.
Cut a hole in a piece of roofing about 2 feet wide and slip it over the pipe.
This technique will also work with full width rolls if you cannot find selvage edge roll roofing in your local store.
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This forms a 19 inch wide selvedge for overlapping purposes.
Tamko 19 selvedge edge roll roofing is constructed from tamko s organic mat impregnated with hot asphaltic saturant then coated on both sides with weathering grade asphalt and surfaced with mineral granules in a 17 wide path starting at the edge of the sheet towards the center.
Cut a hole in the roll roofing and slip it over as well.
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