The answer to 'sod installation bare spots' is that bare spots in your lawn can be caused by a variety of factors, including poor soil conditions, excessive foot traffic, pet urine, or improper mowing. Symptoms may include patchy, thin, or discolored grass. The solution is to properly prepare the soil, install new sod, and provide proper care and maintenance.
If the bare spots are small and isolated, you may be able to fix them yourself by removing the dead grass, amending the soil, and laying new sod. However, for larger or more widespread bare spots, it's best to call a professional landscaper who can assess the underlying issues and provide a comprehensive solution.