Fresh sod going through its first few days can look worse before it looks better. The grass has been cut from its growing field and suddenly placed into new soil conditions, which causes visible stress. The blades may curl, lose color, or appear thin. This stage is normal and expected. What matters most during this period is keeping the soil evenly moist so the roots can attach and be... https://texassodanddrainage.com/does-sod-look-dead-at-first/