When a roof leaks the problem is often due to leaks in and around the metal roof flashing that protects roof edges valleys and the junctions between roofing and obstructions such as chimneys dormers and vent pipes.
How to repair roof to wall flashing.
Step flashing is preferred over continuous flashing for roof flashing where the roof meets the wall.
Proper roof wall flashing example.
There are three different types of roof flashing repair.
Rusted flashing needs to be replaced.
To install the roof wall flashing above the builder bent the top edge of the flashing into a 90 degree lip about 2 cm in width.
Adhere it using your flashing cement.
Step flashing are small metal rectangles that are installed shingle fashion at the intersection between a roof and wall to prevent water intrusion into both the roof and wall and channel water back out onto the roof and safely off the house.
While some skylight manufacturers include flashing in their products sometimes roofing professionals have to create it or purchase it separately.
Bigger step flashing is better.
When fitting cover flashings to a flat roof like the.
Click pic to enlarge the video below will show you how to fit lead roof flashing like the ones seen in the picture above.
I recommend 12 in wide step flashings bent for a 5 in.
Each short section of flashing channels water over the shingle downhill from it.
Expert advice on how to repair roof flashing and chimney flashing prevent ice dams and solve other roof flashing problems.
There are various ways to do roof flashing depending on which part of the roof you are flashing.
Step flashing is when you repair the damage by putting in new flashing over the damaged area.
First snip the new flashing with your shearers then bend it to a 90 degree angle.
Then slide it up the roof preferably on top of the damaged flashing.
The edge of the roof has thin metal flashing that helps water drip off the roof without damaging the home or causing a leak.
The narrower step flashing just isn t wide enough to protect the intersection fully.
Step flashing is used along walls that intersect the roof.
Finally the housewrap can be laid up on the wall to cover the top of the kickout diverter and step flashings.
But if the flashing rusts through or a piece comes loose water will run right behind it and into the house it goes.
Open valleys have metal flashing to protect this critical area of the roof.
Apron flashings if you are new to roofing or fitting roof flashings this really is a bread and butter place to start master this and the slightly more difficult flashings like step flashings will seem a lot easier.
That lip is then set into a reglet or groove in this case cut into the mortar joint of the brick wall above.
