Average Hourly Cost: The average hourly cost for marble shower installation in the marble contractor category is approximately $90/hour.

Cost Breakdown: The cost breakdown for marble shower installation includes the cost of the marble, labor, installation, and any other necessary materials. The cost of the marble will depend on the type and quality of the marble, while the labor cost will depend on the complexity of the job.

Factors Affecting Cost: Several factors may affect the cost of marble shower installation, including the type and quality of the marble, the complexity of the job, the location and service provider, and any additional accessories needed. The type and quality of the marble will affect the cost of the marble, while the complexity of the job will affect the labor cost. The location and service provider may also affect the cost, as some providers may charge more for their services. Additionally, any additional accessories needed, such as a shower door, will also affect the overall cost.