The purpose of gutter flashing is to seal the gap from the roofing shingles to the gutter.
How to install gutter apron.
Then trim the first section of the gutter to length with tin snips.
Nail the bent side of the flashing over the gutter at the same 16 inch locations down the entire piece.
The gutter lip and the apron lip go together so essentially you are extending the back of the gutter by 1 11 4 high.
A gutter apron is a bent piece of flashing that tucks up under the shingles and over the gutter.
The hangers have a slight angle to them and actually you screw through the apron portion right into the fascia just works out that way because of the angle of the hanger.
While a drip edge is about 2 1 2 inches wide on both sides of the fold a gutter apron will usually measure 4 inches or more above and below the fold.
Install shingles over the drip edge or gutter apron completely covering the flanges.
This process prevents rainwater from getting behind the gutter causing rot and decay which will ultimately lead to a roof replacement.
Begin by installing a slip joint splice on each end of an inside corner fitting.
Do not butt lengths of drip edge or gutter apron up against each other use a 1 1 2 inch overlap.
Cut a two inch long notch in the front lip of the gutter with tin snips to join a rain gutter section.
The bottom edge usually has a little fold for rigidity.
But because gutter apron also extends farther up the roof than drip edge i was concerned that the disruption to the shingles would be more extreme and consequently their strength might be compromised more by the installation of gutter apron than by the installation of drip edge.
You may have to temporarily remove your hangers as you go or you can notch out the apron around them.
To install the top section is slipped under the starter shingle course the layer directly above the sheathing.
Working above grade is inherently dangerous be sure that proper fall protection measures are in place.
Snap the sections together.
Home centers sell a gutter apron in 10 ft.
To install the top section is slipped under the starter shingle course the layer directly above the sheathing.
Then it is slipped under normal drip edge.
Gutter flashing installation should be seen as a necessary step in the gutter replacement process.
It s much easier to join sections on the ground than to work from the top of a ladder.
Slide the ribbed end of the gutter flashing underneath the shingles and insert a 1 inch roofing nail every 16 inches down the center of the gutter flashing with a hammer.
Use a square and pencil to mark the gutter length and cut to the line.
