Install a second screw on the high seam at the opposite end of your first screw.
Installing metal roof pipe boot.
Install remaining screws one inch on center around the perimeter of the pipe flashing.
Instead of having to cut flashing materials yourself you can buy a fitting boot for your chimney pipe.
Start with the high seam and install one x inch metal to metal screw.
Push your pipe flashing firmly into place.
And begging to caulk around where the boot will go on the roof.
In this video i cover installing a roof boot for a vent pipe in a metal roof.
Place the new boot in the hole of the pipe and cut the boot on the line that touches the rim.
Work up from the initial row starting at the lower corner in a diagonal pattern staggering the shingles to prevent gaps.
The metal i m using is called crinkle black i purchased all my materials at h.
Metal roofing is also available in the form of shingles.
The slide the boot down the pipe and leave it about 3 above the roof.