Fire Rated Box
The Fire Rated XVentBox features a 20 GA steel housing custom designed based on your model/series selection. The assembly incorporates three layers of a proprietary intumescent material, each 3 inches wide and 2 mm thick, installed around the perimeter between the steel housing and the cavity box. Tested in accordance with ASTM E814, the system provides a 1-hour fire rating.
MSRP:
*Varies
Features
Factory Installed Only* / 1-hour fire-rated shroud assembly
Integrated 3” intumescent fire barrier (4 sides)
Compatible with all standard Series ( Excluding ILS )
Designed for horizontal and vertical orientations
Supports single, double, and triple box configurations
Seamless integration with standard XventBox assemblies
Benefits
Meets Intertek requirements with a tested 1-hour rating
Expands under heat to seal openings and slow fire spread
Flexible installation across a wide range of wall depths and build types
Reduces need for custom field modifications
Maintains airflow system performance while adding fire protection
Simplifies spec and install with one solution across multiple models
Increases overall system safety without added complexity