Roofing professionals need something to bridge the gap between where step flashing ends and the gutter begins.
How to seal metal roof flashing.
The primary difference between the two is the use of a structural roof deck.
An architectural metal roof system is installed over a separate structural roof deck.
Seal the seam between the cap and step flashing with urethane roofing cement or silicone caulking compound as shown at right.
Fasten loose nails and cover exposed nail heads with roofing cement.
You ll use a standard caulking gun and a standard sealant.
Using the circular saw and masonry blade cut a slot about 1 5 inches into the brick so that the overlapping flashing or counter flashing will slide into the slot.
2 lay 6 inch wide butyl tape over all horizontally lapping end seams.
Resealing your roof flashing is easy and you don t need many tools or materials.
We re put it into place but we re not going to fasten it down just yet.
Step 1 safely get on the roof.
Roofing cement can dry out and crumble away exposing joints to water.
Roof flashing is an important component in maintaining your roof and preventing water damage.
Make sure that it s a urethane based sealant because silicones can eat away at the paint surface on the metal panel.
Look for loose nails and any damage to the seals at the edges of the flashing.
Position the tape with the release backing on the top.
Use special masonry caulk to seal the joints between the flashing and the chimney.
Renew flashing seals by chipping out old caulking and mortar along the edges of the flashing.
Chalk a straight line about 2 inches above the back of the base flashing.
Flashing will sometimes need to be resealed because the seal can wear over time.
Kickout flashing directs water away from the wall and into the gutter.
The edge of the roof has thin metal flashing that helps water drip off the roof without damaging the home or causing a leak.
Metal roof systems can be installed as an architectural metal roof assembly or as a structural metal roof assembly.
These systems can be found on most residential applications.
If you are working with valley flashing lift the edges of the surrounding shingles and spread roofing cement on the flashing about 6 inches in from the edge of the shingles.
Sweep the metal roofing sheets of all dirt and debris with a push broom.
Now that the z trim is installed we can install the end wall flashing.
