What document outlines the requirements for firestop products?

The International Building Code is the correct answer because it establishes standards for building safety and addresses various aspects of construction, including fire prevention and protection. This code includes specific provisions for firestop products, which are critical in preventing the spread of fire and smoke through openings and penetrations in building assemblies. Firestop products must meet certain criteria to ensure safety and compliance, which is outlined in this code.

The National Electrical Code primarily focuses on electrical installations and safety, while the Fire Protection Standard deals more specifically with systems and practices for fire protection rather than the products themselves. The National Fire Code also addresses fire safety but is more about operational and administrative guidelines rather than product requirements. Therefore, the International Building Code is the most relevant document regarding the specifications and requirements for firestop products in construction.