The spacing between the nails on the drip edge should be less than 12 inches apart.
Overlap on roofing paper.
Roofing felt is required to overlap 2 inches over the lower felt course.
Where the drip edge meets a valley or a hip cut the pieces with overlapping tabs.
The overlapping felt creates a secondary barrier for moisture and wicks water away from the shingles above and the sheathing below.
Allow about 4 inches 10 cm of overlap between the bottom of the second row and the top of the first layer.
Tack down the peak s tar paper.
This creates a waterproof barrier similar to the scales of a fish.
This has advantages and disadvantages and each of those should be weighed carefully.
Section of paper on a steep roof or when it s windy.
Cut a slit from the side of a paper roll to accommodate vent pipes.
When you overlay a new roof you attach the new shingles or other roofing material to the existing roofing material.
If you rolled the first row from west to east the new row should be east to west.
Adjacent pieces of drip edge should overlap at least 2 inches 51 mm.
Use a utility knife to trim all excess paper on the last pass.
The vertical leg of the drip edge should be at least 1 5 inches wide and extend at least 0 25 inches below the sheathing.
Before securing the end of a row take time to walk the row smoothing out any rough spots and matching up the snapped chalk lines.
The drip edge should extend at least 2 inches on the roof.
Overlap and cut drip edges where drip edge pieces meet overlap them by at least 2 inches.
Sections until you get the hang of it and don t roll out a 25 ft.
If you re fastening the paper with a staple hammer try to get a staple in every square foot of the paper photo 5.
Staple down the tar paper.
Press the tabs firmly to make crisp corners with no gaps and attach with roofing nails.
Practice on a couple of 10 ft.
Pay special attention to movements on top of any roof.
Therefore a 2 inch overlap provides redundancy at the edges where the barrier is weakest.
However this can only be done once.
Remember to always overlap roof paper at valley ridges and hips by six inches.
In general overlaying a new roof takes less time less labor and thus less money.
Position the next course of tar paper farther up the roof so that its lower edge overlaps the upper edge of the paper in the first course by 1 foot.
Most roof felt pieces have guidelines stenciled into them to ensure you apply them in straight parallel lines.
Valley ridges and hips should have a 6 inch overlap of paper.
Paper can be fitted around vent pipes by cutting a slit and then putting it over the pipe.
Install all subsequent courses with the same overlap until the top edge of the paper is within 6 inches of the roof s peak.
It s best to wear gloves and protective eyewear for safety purposes.
