New polymer underlayments sheets are thinner and easier to work with than layers of tar paper and rosin paper.
Installing tar paper for metal roof.
If you re using an ice or water shield place this first and then install the tar paper.
With metal roofing its also a good idea to put a layer of red rosin paper between the felt or ice water shield and the metal that way it wont potentialy stick to it and cause oil canning and would allow for expansion.
To protect your home install a protective layer of tar paper also called roofing felt before placing tile metal slate or wood shingles.
Install the drip edge tightly against the edges of the plywood sub roofing so that it hangs down over the fascia.
Begin your first row of tar paper with the bottom of the tar paper.
Add the metal panels.
Measure the width and height of each section separately.
With this video ou.
How to install a drip edge tar paper step 1.
Measure the size of your roof in square feet.
Use a ladder to reach the bottom level of the roof.
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Always begin working at the point with the longest peak to eave distance.
Take your first sheet of metal and place it on the roof so that it overhangs the edge at least 3 4 in 1 9 cm.
How to install roofing tar paper.
Most codes and good roofing practice would require felt.
Step 1 measure your roof s surface in square feet and purchase enough tar paper to cover the entire surface twice.
Take care the first piece is aligned precisely perpendicular square to the edge.
Multiply the width by the height for the.
Join lengths at corners where the roof changes direction by cutting the part of the drip edge that sits on the.
40x60 metal building do you put tar paper under metal roofing.
Before applying roofing you ll need to cover the sheathing with roofing felt also often called tar paper most local codes call for using 30 pound felt.