Installing Tar Paper For Metal Roof

40x60 metal building do you put tar paper under metal roofing.

Installing tar paper for metal roof.

Use a ladder to reach the bottom level of the roof. Measure the size of your roof in square feet. If you re using an ice or water shield place this first and then install the tar paper. The slip sheet helps keep the metal from sticking to the felt paper while installing the roof.

New polymer underlayments sheets are thinner and easier to work with than layers of tar paper and rosin 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. Measure the width and height of each section separately. There is also another option for metal roofing underlayment.

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. The purpose of our channel is to create informational videos. Most codes and good roofing practice would require felt. Install the drip edge tightly against the edges of the plywood sub roofing so that it hangs down over the fascia.

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. Take care the first piece is aligned precisely perpendicular square to the edge. To protect your home install a protective layer of tar paper also called roofing felt before placing tile metal slate or wood shingles. Always begin working at the point with the longest peak to eave distance.

Some roofers prefer to attach felt underlayment with 1 inch roofing nails or special nails with plastic washers but most codes allow staples which are easier to drive. Multiply the width by the height for the. With this video ou. How to install a drip edge tar paper step 1.

Join lengths at corners where the roof changes direction by cutting the part of the drip edge that sits on the. Begin your first row of tar paper with the bottom of the tar paper.