How to install roofing tar paper.
How to install tar paper on flat roof.
Measure the size of your roof in square feet.
Drip edge is a.
Step 3 overhang paper.
Place a final piece of tar paper over the top of the roof attaching it so it overlaps the tar paper on both sides of the roof.
After this lines should be snapped every 34 as you move up the roof.
The idea is to make sure water that falls on the roof drips down from paper to paper and off the roof rather than up under the tar paper potentially damaging the roof s wooden structure.
Have a helper ready to assist with this step and take care to get the lines straight and clean.
How to tar paper a flat roof step 1.
This overhang will ensure water will not enter underneath the paper getting trapped on top of the wood roof planks.
Step 5 secure ends.
Begin your first row of tar paper with the bottom of the tar paper.
Chalk lines should be snapped 33 5 8 above the eave line.
Allow for a inch overhang of paper down each side of the roof when unrolling the paper.
Use a ladder to reach the bottom level of the roof.
Press the tabs firmly to make crisp corners with no gaps and attach with roofing nails.
Where drip edge pieces meet overlap them by at least 2 inches.
Roll the roof paper up and over the peak.
Nail aluminum drip edge along all the edges of the roof using 1 inch galvanized roofing nails.
Roll out a 3 foot wide strip.
Sweep the bare roof boards clean of any dirt and debris.
Where the drip edge meets a valley or a hip cut the pieces with overlapping tabs.
Measure the width and height of each section separately.
If any roof boards need replacing do it now.