How to Install a Car Sunroof in 6 Easy Steps


Installing a car sunroof adds extra style to your vehicle and lets you enjoy some fresh air while driving. If you’re looking to upgrade your car, you don’t have to be a professional mechanic or hire someone to do it. In this blog post, we’ll take you through the process step by step, and show you how to install a car sunroof in 6 easy steps. We’ll walk you through the supplies you need, how to prepare your car, and the final installation process. Let’s get started!

1. What You’ll Need

To install a car sunroof, you’ll need a sunroof kit, including the sunroof, rails, interior trim pieces, screws and sealant. Additionally, you’ll need safety glasses, a drill, a screwdriver, and cleaning supplies. Before you begin, read all instructions in the sunroof kit and learn how the parts work together. Remember to be careful while working on your car’s roof as it can be dangerous if you slip or the sunroof is not installed properly.

2. Step 1: Clean the Roof

Next, you need to prepare your car’s roof. Begin by cleaning the roof with a damp cloth or sponge. Remove all dirt, dust, or debris. Pay special attention to the edges and seams of the roof where the sunroof will be installed. Once you’re done, wipe it down with a dry cloth or towel and allow it to dry completely before proceeding.

3. Step 2: Apply the Sealant

Applying the sealant properly is an important step as it will keep your sunroof securely attached and watertight. To do so, you’ll need a caulking gun and the tube of sealant.

First, cut the tip of the sealant tube at an angle, so you’ll achieve an even flow when you are applying the sealant. Next, insert the tube into the caulking gun and press down until it locks into place.

Apply the sealant around the perimeter of the sunroof opening. Go slow and steady, as you want to ensure that the sealant is evenly distributed. The sealant should be applied about one-eighth of an inch thick.

Finally, smooth out the sealant with a damp rag or your finger. You may wear rubber gloves if you’re using your fingers as the sealant might be sticky. Once the sealant has been applied, let it finish drying.

4. Step 3: Place the Sunroof

Next, you can start placing the sunroof. Measure your car’s roof to ensure the sunroof will fit properly. Then cut the sunroof to fit your car’s dimensions.

Place the sunroof onto the roof and center it as much as possible. To hold the sunroof in place, use some heavy-duty tape around the edges of the sunroof and roof. Ensure that the edges of the sunroof are sealed tightly to prevent water or debris from getting inside your car.

After that’s done, drill small pilot holes around the edges of the sunroof to mount it in place. Use a sealant or silicone caulk around the sunroof’s edges before you mount it with screws to make sure it is airtight and water-resistant. Finally, use screws to securely mount the sunroof. Check for any leaks or gaps and seal them with additional sealant or caulk as needed.

5. Step 4: Attach the Rails

Rails are the metal strips that run along the sunroof’s sides and secure it to the car’s roof. Line the rails up with the holes in the frame of the sunroof. Use self-tapping screws to secure them to the frame. 

Next, use a rubber sealant to form a waterproof barrier between the rails and the roof of your car. Apply the sealant to both sides of the rails and let it dry before moving on to the next step.

6. Step 5: Install the Interior Trim

Lastly, you’ll need to install the interior trim pieces. Start by finding the side trim pieces and placing them inside the frame. Make sure that they fit snugly, then attach them using the screws and bolts provided with the sunroof kit.

Once the side trim pieces are done, you need to install the header trim piece. Place it along the top of the sunroof frame, then use the provided screws and bolts to secure it in place. Finally, attach the interior trim piece along the bottom edge of the sunroof frame. 


Installing a car sunroof is a great way to add style and personality to your vehicle. It can also be a relatively simple process with the right tools and know-how. In this blog post, we’ve gone over all the steps to install a car sunroof efficiently and effectively.