Flashing application requirements are similar for all types of low slope roof materials and systems.
Low slope roof to wall flashing.
Open valleys have metal flashing to protect this critical area of the roof.
Normally used with a low slope.
Flat coil stock.
To connect the flashing material to other building materials such as masonry concrete metal and wood.
For a low slope residential roof there are two main options.
If you don t direct water from the roof into a gutter it can pour into the wall.
Recaulk the joints between the roof and the flashing.
It s much easier to reseal the flashing than it is to patch a water stained wall or ceiling.
Visiting my sister marlene in thunder bay this summer 2012 there was as usual a project like every other time.
Although surprisingly there was only one leak in the old roof.
And in our experience when a single piece of flashing extends only a few inches under the shingles especially on a long roof slope and worse on a roof that happens to slope slightly towards rather than away from the abutting vertical building wall the accumulated roof drainage water near the bottom end of the roof wall intersection will overwhelm the width of the flashing and because it is not directed back out on top of successive shingle courses it leaks into the building or building.
To seal the juncture of the roof membrane with other building components such as walls edges and penetrations.
Drip edge metal valley flashing dormer chimney and kickout flashing are types of roof flashing that shed water away from the connections between roofs walls chimneys and other building assemblies.
Fasten loose nails and cover exposed nail heads with roofing cement.
1 cover the entire surface with a self adhesive flashing membrane such as grace ice water shield there are many equivalent products.
Self adhesive flashing membrane under the shingles prevents leakage on low slope roofs.
Sl 1 1 5 sl 1 75 ml 1 1 5 ml 2 ns 1 1 5 exposed fastener panels.
Roofing cement can dry out and crumble away exposing joints to water.
Troubleshooting in advance use.
Then apply standard asphalt shingles over the membrane.
Turbo set polybrite 70.
Renew flashing seals by chipping out old caulking and mortar along the edges of the flashing.
Polystick mts plus.
Polystick tu plus.
Low slope roof slip metal flashing for the roofing industry is available in standard 10 lengths from sheet metal supply.
The membrane will outlast the shingles and seal around all nail penetrations.
While some skylight manufacturers include flashing in their products sometimes roofing professionals have to create it or purchase it separately.
Low slope metal accessories.