StoTherm ci with Sto Fireblocking Design Guide
![52sxxFB-Cover](https://www.stocorp.com/wp-content/uploads/2024/08/52sxxFB-Cover.jpg)
Sto Fireblocking is a unique, patent-pending solution designed meet the stringent 2022 New York City Building Code applicable to exterior wall coverings, specifically those that contain combustible components.
When incorporated in a StoTherm ci system, the result is a wall assembly fully compliant and tested in accordance with NFPA 285 that is versatile, lightweight and energy-efficient (3.6/inch).