How To Flash A Flat Roof

The edge of the roof has thin metal flashing that helps water drip off the roof without damaging the home or causing a leak.

How to flash a flat roof.

Ideally this should be 150mm or a minimum of 75mm again common sense and exposure applies. Flat roof flashing this could virtually be any type of flat roof the upstand of the flat roof covering is overlapped by the drop of the flashing. Flat roof flashing is a very important component of a roof and should never be ignored. It may be quite a labor but it pays off with a strong roof.

Here is a guide on how to install lead flashing to your roof. 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. Step flashing protects the joints between the roof deck and chimneys or dormers. This material is available with a v or w shaped profile and is placed over the top of the building felt before the roof s finishing material is installed.

While some skylight manufacturers include flashing in their products sometimes roofing professionals have to create it or purchase it separately. Lead flashing maximum length. Open valleys have metal flashing to protect this critical area of the roof. Caulking has its place but not to seal flashing chimney cracks or skylights.

Why it os a bad idea to use caulking on any roof leak repair.