Galvalume uses an alloy of 45 zinc 55 aluminum to create an extra durable coating that is ideal for ridge capping a galvalume panel roof.
Metal ridge cap installation.
The gibraltar ridge cap is made from sturdy 29 gauge galvalume steel.
Make a mark at the cap s lower edges both sides at one end of the ridge.
If the ridge is only 15 20 long repeat step 1 at the opposite end of the ridge.
See the illustration below.
We re going to get the hip cap in place and let it overhang at the eave so that i can make.
First we re going to put the hip cap in place and mark it so that we can prepare the end here at the eave and the top at the ridge.
As you can see we ve made a cut 2 inches on either side of the center line of the ridge.
Preparing the eave ridge cap ends.
I just installed the last piece of z trim and now we re ready to install the hip cap.
For a longer ridge move along the ridge repeating.
Center a piece of ridge cap on the building peak.
Apply butyl tape sealant at to the inside of the chalk line on both sides of the ridge cap.
We now have to install a ridge cap with the vented ridge material.
How to install ridge cap foam closures on a metal roof for a non vented ridge cap.
I m going to use an abc vented ridge material that s been die cut to fit the sl 16 panel.
Installing a vented ridge cap.
The ridge cap used in conjunction with closure strips reliably protects the ridge seam against water infiltration.
Our host david mackey discusses techniques used in installing ridge cap using the sl 16 standing seam roofing system from american building components.
In this video i demonstrate how to vent your house roof and install a vented metal ridge cap for entertainment purposes only the metal i m using is called c.
Locate the butyl tape so that the ridge fasteners will penetrate at the center of the butyl tape once the ridge cap is in place.
Now we re ready to deal with a vented ridge cap.