How to Build a Gazebo Roof

Are you thinking of building a gazebo roof but don’t know where to start? Follow these simple steps to build a gazebo roof stunning and sturdy that will enhance your outdoor living space.

Build a Gazebo Roof

Start to Build a gazebo roof

Step 1: Get your materials

  • Wood beams for the roof frame
  • Roofing materials such as shingles or metal sheets
  • Screws and nails
  • Roofing felt
  • Flashing
  • Roofing cement

Step 2: Determine the Height and Direction of the Top Ridge

The most important part of the gazebo roof is the top ridge, which determines the height and slope of the roof. Consider how high you want the roof to be and what angle will work best. Typically, a 45-degree angle is a good choice.

Cut the top ridge beam from a piece of lumber, and then use pen and paper to calculate the length of the rafters. Also, decide which direction the top ridge should face. For a cohesive look, align the gazebo roof with the roof of your house if possible.

You can assemble the top ridge and rafters on the ground and then lift the whole structure onto the gazebo. Enlist the help of friends to make this task easier.

If everything fits perfectly, you can secure the top ridge and rafters in place. However, if adjustments are needed, take the structure down and make the necessary changes before reattaching it. To secure the rafters, use galvanized screws to attach them to the center point of the upper joists.

Step 3: Cover the Roof with Plywood

After securing the rafters, measure and cut the plywood sheets to fit each section of the roof using a circular saw.

Place the plywood sheets on the roof without screwing them in and adjust as necessary until they fit together like a jigsaw puzzle. Once properly fitted, use a 1 1/4-inch screw placed every 6 inches to attach the plywood to the frame.

Step 4: Install Asphalt Shingles

install Asphalt Shingles Now it’s time to install the asphalt shingles. Begin by laying a base layer of shingles with the underside facing up. Start at the bottom edge and work your way to the top, trimming the sheets as necessary with a utility knife. Attach the shingles to the wooden frame using 3/4-inch screws.

For the upper layer, lay the shingles with the right side facing up, following the same process as the base layer. Start at the joists and work towards the top ridge, ensuring that the rows overlap for better drainage.

The final step is to cover the seams of the roof with ridge caps cut from the shingle sheets to prevent water infiltration.

How to Build a Square Gazebo Roof Building

A roof for a square gazebo is simpler than other shapes since all sides are equal. Here are a few tips for the process:

Ceiling Joists
Attach ceiling joists to the hip rafters to strengthen the roof. Use wood ties to secure the joists to the frame and place an equal number of joists on each side of the structure.

Hip Rafters

If your gazebo has a king post in the middle of the structure to support the roof, the hip rafters need to connect to it. You can use wood ties or toenailed screws to attach the hip rafters to the king post.


Start laying the shingles from the bottom to the top of the roof. If you live in an area with fair weather and minimal rainfall, one layer of shingles is sufficient.

To insulate the roof, cover the plywood with a sheet of tar paper before laying the shingles. You can staple the tar paper in place in less than 15 minutes.