How To Flash A Flat Roof

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

How to flash a flat roof. 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. Val ley flashing protects the valleys where two roof planes meet. It may be quite a labor but it pays off with a strong roof. Lead flashing maximum length.

Caulking has its place but not to seal flashing chimney cracks or skylights. Ideally this should be 150mm or a minimum of 75mm again common sense and exposure applies. Essentially flat roof flashing is strips of metal that are bent at a 90 degree angle. Open valleys have metal flashing to protect this critical area of the roof.

Flat roof flashing is a very important component of a roof and should never be ignored. 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. The edge of the roof has thin metal flashing that helps water drip off the roof without damaging the home or causing a leak. Here is a guide on how to install lead flashing to your roof.

Their main purpose is to act as a defense against rain snow ice moisture and even some debris.