Air Infiltration Tested
Smoke Tested – UL1784
Fire Rated – UL10C – Positive Pressure
Underwriters Laboratory 4L10
GREENGUARD Gold Certified
357_ with S88 Content
- When installing pairs of fire doors care must be taken to maintain the requirements of NFPA 80.
- S88 must be ordered separately.
- 357 comes with standard fastener. Thru-bolts and S88 are options that can be ordered separately and combined to achieve the listed ratings.