Repairing a simple glass pane in sliding doors can be a fairly easy DIY project, and doing it yourself can save you money and time compared to hiring a professional. Here's a step-by-step guide to help you replace a broken glass pane in your sliding doors.

First, you'll need to gather a few necessary tools and materials to complete the job. These include a replacement glass pane of the same size and type as the original one, a adhesive sealant, a putty knife, a glass cutter, safety glasses, and a pair of gloves. You may already have some of these tools in your hobby area or home, but if not, you can purchase them at a nearby hardware store.

Before you start, it's crucial to carefully remove the broken glass pane from the sliding door frame. You can use a putty knife or a small pry bar to carefully pry off the old adhesive and remove the glass. Be cautious not to damage the door frame or get hurt by sharp glass fragments.

Once the old glass pane is taken out, inspect the door frame for any damage. Clean out any dirt and apply a coat of adhesive sealant to the door frame, making sure to cover the entire area where the new glass pane will be attached. This sealant will help create a leakproof seal and ensure the new glass pane doesn't shift over time.

Next, use a utility knife to gently cut the new glass pane to the correct size. It's important to get the size just right, as you won't be able to trim the glass further once it's installed. Use safety glasses to protect yourself from any sharp glass fragments that may split during the cutting process.

Once the glass pane is cut to the right size, carefully apply a layer of silicone-based sealant to the new glass and install it to the door frame. Use a putty knife or your fingers to spread the adhesive evenly, making sure it covers the whole surface. Make sure the new foggy glass replacement pane is correctly aligned with the surrounding door frame.

Allow the sealant to set properly, following the manufacturer's instructions, before checking the repair. Check for any gaps or flaws between the new glass pane and the door frame, and apply additional sealant as required.

Finally, replace the sliding door hardware, such as the rollers and tracks, and check the door to ensure it's operating correctly and the new glass pane is in place.

By following these simple steps and using the correct tools and materials, you can replace a broken glass pane in your sliding doors without professional assistance. Just remember to be careful and time when handling broken glass and adhesive, and take your time to ensure a proper repair.