Flashing Your Roof

With the help of underlayment roof flashing is required on your roof to keep water from getting underneath your shingles.
Flashing your roof. Roof flashing is a thin layer of metal sheeting used to direct water away from seams and joints where moisture could penetrate the roof and cause water damage. Roof joints are the point where slopes and roofing panels meet while penetrations are a term used for anything that is installed by drilling a hole in your roof. Flashing is installed to surround roof features such as vents chimneys and skylights. If the flashing is taken out of an area or damaged this can lead to a roof starting to leak even after just a few short years.
However flashing generally does not last as long as the roof itself. The water flowing across the tile will break down underlayment and shorten up the lifespan. It is normal to have the flashing replaced at least once between roof replacement appointments. During the roofing process it is rolled out into place and sealed.
Flashing can be made from several types of metal including copper aluminum galvanized steel and lead. Valley flashing most people are familiar with valley flashing. Flashing is the key to a skylight that won t leak water into the roof cutting a hole in a perfectly water tight roof is asking for trouble and true to form skylights are notorious for. It s made to withstand all weather conditions including high wind and excessive rain.
Roofing contractors install flashing thin strips of metal over joints and penetrations to prevent rainwater from infiltrating the underlayers through any gaps. The following are some of the types of flashing that you will find on a typical sloped roof. What is the purpose of flashing on a roof. The extra kick at the bottom of the face directs run off away from the structure.
Roof flashing is designed to keep the underlayment on your roof dry. Roof flashing is a thin material usually galvanized steel that professional roofers use to direct water away from critical areas of the roof wherever the roof plane meets a vertical surface like a wall or a dormer. The gibraltar galvanized drip edge flashing is madethe gibraltar galvanized drip edge flashing is made from reliable 28 gauge galvanized steel.