I am getting ready to install some ventilation in my flat roof. Locate all of the areas around the flat roof where water can potentially enter. Getting it done as soon as possible will help reduce potential water damage, and may even save you hundreds or thousands of dollars in the process. The carport construction type may determine the flashing method to use; for example, it may not support the pressure per square inch of hammering roof nails into metal flashing all the way along its length. 2010 Uniform Plumbing Code states: “Each vent pipe…shall extend through its flashing and shall terminate vertically not less than six inches above the roof nor less than one foot from any vertical surface.” You can run the pipe at the exterior, but you probably should extend above the roof line. The process of installation is actually quite simple. If you plan on wearing any safety gear, be sure to have it on before heading up. ; Valley flashing: Open valleys have metal flashing to protect this critical area of the roof. However, you’ll need to ensure that it’s waterproof, so make sure the flashing and nearby shing… Once the tiles have been cut, install the outside piece of the vent. . It gets its name because when you install this type of flashing, it steps up above the shingles. Before you head up to your roof, you might need to run to the hardware store. You may also want to have other parts of the roof inspected, so you’re keeping it up-to-date. Vent pipes provide this air by running outside the structure of the house. It gets its name because when you install this type of flashing, it steps up above the shingles. Remove the existing roofing membrane from existing flashing to expose the flashing around skylights, vents, walls and where necessary. Ventilation is a must if you’re working with a chimney or stove to keep toxins out of your home. Step 3: Hammer the nails into the top and sides of the flashing. Let’s begin! The roof vent pipe is installed cut through the roof and around the pipe attached to the roof is surrounded with rubber boot as insulation for the gap between the pipe and roof. You’ll have the drip edge along the eaves before putting the ice and water barrier on. Flange is a flat rectangular surface that sits on the roof. If you need to cut the vent to fit at the end of your roof, use a utility knife to make it flush with your home. If you’re struggling to get it off, it’s best to hire someone to avoid further damaging your roof. This article is going to teach you everything you need to know about installing a vent pipe flashing on an existing roof. Look for the chimney or any type of pipe coming out of the building. The best way to install this flashing is as follows. The flashing should be installed under the top and side shingles, but it should be laid above the shingles that are below the vent pipe. If the temperature tends to fluctuate in your attic, roof vents can help prevent moisture from settling in and the subsequent damage. Step 2: Place the new flashing over the vent and into the correct position. Of course, the best way to tell would be for an expert to look at your roof. You’d use this type of flashing when two different planes on one roof meet and form a valley. Trim the tiles so that the vent fits neatly into the hole. Here are the tools and materials you’ll need to install a vent pipe flashing onto your roof. When you stop leaks before they start, you create a positive domino effect, including extending the lifespan of your roof. To get a direct answer, you’ll have to look up the codes for your specific city or state. Step One: Loosen the Shingles