Instructions / Assembly
21
Caulk Gun
Measuring Tape
Metal Shears
Roofing Sealant
Safety Equipment
Plastic Underlayment 
Flashing
TOOLS & PARTS
Draw a horizontal line across the center of the hole in 
the roof, running side to side the entire width of the 
Formable Flashing.
1
Cut a slit through the METAL ROOF PANEL ONLY 
across the horizontal line. Use gloves for safety.
2
With your safety gloves on, be sure your cut is 
smooth and free of sharp edges.
3
2
Slide the Plastic Underlayment Flashing through the 
slit under the upper metal panel. Then down under 
the lower metal panel. Be sure the opening is aligned 
with the cut hole.
4
Run a continuous bead of sealant between the 
Underlament Flashing and the next layer of roong 
around the opening.
5
4
Cut Slit In Roof Panel
Section-12b
Metal Roofing Installation
Plastic Underlayment Flashing fully 
inserted underneath metal roof
4
5










