The roof flashing cannot be installed on the outside of the stucco and counter flashed.
Where stucco meets roof.
A stucco wall is designed to last for centuries.
Stucco pros and cons.
Stucco flashing is needed in places where two angles of the roof meet.
Stucco roof flashing installation if you ll be working on the roof use roofing felt to cover the area where you ll be adding flashing.
Be sure to overlap the old felt with the new felt by a foot and secure it with nails.
For an area where a vertical stucco wall meets a sloped roof you will use step flashing.
The stucco contractor typically installs a j mold stop type metal called 66 where the stucco meets other material.
When you are installing flashing you have to use different flashing techniques to fit with each area.
90 of houses that have stucco will have areas where the roof meets the wall.
Several areas of a building can be susceptible to water leaks after construction and it is important to install flashing on all of them.
Installing step flashing to stucco walls.
Stucco should be installed after roof soffit fascia flashing but after before gutters.
There have been many instances of stucco failures and usually this will consist of leaking of some sort and it leaves a lot of people wondering what causes stucco to leak in the first place.
If you take a stucco wall down to a thirty year roof then you have to jackhammer into the stucco just to replace the roof.
A 1 inch coating of stucco provides a one hour firewall rating which means it will prevent.
Stucco is durable and reliable siding material.
Ok maybe not jackhammer but you get the idea.
Wall to roof flashing.
Before the cement is given too much.
The approach to installing the shingles during the roof replacement will change.
Then caulk using np1 between the stop and the other material.
This flashing technique makes sure that the water flows away from the wall and into the gutter.
There is also metal flashing installed where the concrete meets the foundation which goes up the wall a few inches as well.
The water that does penetrate behind the stucco will then be trapped there or worse forced down the inside of the walls and ceilings possibly causing damage and mold.
Then add a layer of asphalt cement to the area where you will attach the flashing.
In these locations there will be metal flashing which we spoke about a couple weeks ago on our blog about the long term function of metal flashings on a calgary roof installation.
As to stone i ve done it both before and after.
The stucco flashing will need to be installed in conjunction with this metal mesh before any stucco is applied to the wall.
Below are more photos of poor flashing at roof to wall intersections with different.
Carson dunlop associates ltd 120 carlton street suite 407 toronto on m5a 4k2.
