How to Add a Porch Roof to an Existing Roof in 5 Different Ways

A porch is a great outdoor area for you to relax with your family and friends. However, the sunlight or even the rain might ruin your tranquil moment. Therefore, it’s essential to have a porch roof installed. The roof will not only protect you and your family from the uncontrollable heat and the rain, yet it will also add accent to your house.

Read on to find out the most popular ways to add a porch roof to an existing roof.  

5 Popular Ways on How to Add a Porch Roof to An Existing Roof

How to Add A Porch Roof to An Existing Roof

1. Install the backchannel directly to the fascia boards

This is one of the most common methods for fixing a porch cover to an existing roof. To implement this particular method, you will need to strengthen the fascia boards and backchannel.

You will also need to get the rafters within the roof reinforced. While it’s relatively easy to perform, you won’t be able to either increase or decrease the roofing height.

2. Add riser brackets to add more height

With riser brackets, you have the flexibility to add height to your porch roof. A customized barge cover is essential if you wish to increase the height of your porch roofing.

Besides the ceiling rises to approximately 2 feet, the barge cover will also provide various choices for the serene ambiance and the finish. If you want to have some natural light, opaque twin-wall sheeting is an ideal selection.

3. Make the roof of your porch a little higher

When you are attaching a roof to an existing roof in your porch area, you may run out of idea installing the roof in the easiest possible way. This method is almost the same as the first technique above.

However, if you wish to make your porch cover a bit higher, you will have to get your house’s gutter removed and set the roofing back channel of the house a little higher.  After you removed the gutter, add a flashing from your house’s roof to the porch. It is to increase the height by more than 100 millimeters.

4. Add more height by removing the gutter, fascia, and eaves

This method helps you to raise the height of your porch are by nearly 500 millimeters. All you need to do is just removing the fascia boards, gutter, and eaves. Then, get the rafters cut to the wall.

To obtain a fine finish, connect the backchannel directly to the rafter and reinforce it. However, you can also install flashings to accentuate the look.

5. Sleek and clean look

By adding more height, removing the gutter, fascia boards, and eaves, and cutting back the rafters, you will be able to create a sleek and clean look for your porch roof. You will first need to install some CHS columns over the wall and attach the top to the rafters’ porch before reinforcing it.

You will also need to have a box gutter installed on your house and a customized barge cover on the existing roof. This is to make sure that everything is waterproof.

Those are the methods commonly used on how to add a porch roof to an existing roof. Each of the techniques has its own pros and cons. However, as long as everything is installed appropriately, it’s not impossible to get a porch cover that will well complement your house.

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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