What Is a Roof Jack and How to Install It Properly in Easy Way

Damaged roof jack or not working properly is amongst the most common causes of leaks on the roof, in case you don’t know that water dripping slowly through the crevice between the roof and the wall, making its way into your home.

This could lead to bigger problems such as rotten wood or collapsing deck. So, you might have some questions before going into the repairing job, such as what is a roof jack and how can you possibly install it?

What Is a Roof Jack

Find out about the answer down below.

What Is a Pipe Jack on a Roof

You may have recognized the pipes that appear to stick out of your roof before. It is called a plumbing vent and apparently is one of the most important pipes in the house. It consists of vertical pipes connected to the drain lines, where supposedly no water runs inside it.

The pipes’ function is to release unpleasant odor and gas from inside the building instead of removing water and waste from septic tanks or sewers like drainpipes do.

The roof jack system is what’s used to seal penetration from the roof. Sometimes people refer to it as flashing. These flashings are often installed poorly by the contraction, which is commonly found on the composition shingle roof. It may cause increase the chance of water entering the roof system.

What Is a Roof Jack Used For

When the flashing is installed properly, it should cover the lower edge of the skirt completely. This lets the nails and roofing adhesive be covered by the shingles and secure the skirt down to offer the best protection from leaking water.

What Is a Roof Jack Used For

So, what is a roof jack for? The purpose of this flashing is to keep out any water, rain, snow, and debris to enter the house through the plumbing vent pipes.

Roof jack is typically made from galvanized steel construction to offers high durability. It works together with the vent cap to prevent water entry.

How to Install a Roof Jack

After knowing ‘what is a roof jack’, you might be curious about how to install it. You can either get homemade or a store-bought version of it. The installation process is relatively easy and quick. Below is the step-by-step tutorial to guide you on the process.

Climb up to the roof area

To install the new roof jack, you have to get onto the roof. You will need a ladder to do it. Make sure that the ladder is safe, secure, and distant from electrical lines. If the repairing work happened to be near electrical lines, the best and safest way to complete it is by calling a professional.

Loosen the shingles

Loosen the shingles installed on the side and top of the existing roof jack using a knife. It should be easily done by sliding the knife underneath the shingles. You also have to remove the roofing nails under the shingles.

Install the flashing

Liftoff the existing to remove it. At best, you’ll only need to remove several nails and remove them from the pipe. Then slide the new roof jack above the plumbing vent and move it under the shingles. Secure it to the roof by using nails on every corner. Then put back the shingles on their place.

If you understand what a roof jack and the whole process of installing it is, the process is actually not very difficult. However, it is still necessary to take precautions on safety and call a professional if needed.

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RoofLast is an experienced author and roofing expert. With years of practical experience in the field authored several informative articles on various aspects of roofing, including installation, maintenance, and repair