Fire-rated ceiling grid - 400 series SDT

Fire retardant ceiling grid-- There is a denticulated fire rated hole on the connectors of both ends in each tee.

Features:

The series is purged with denticulated fire rated holes on the connector of both ends in each mainrenner or cross tee in case the grids expands in high temperature under fire accident. The structure of grids would not distort as the distortion only happens to the fire rated hole. And the ceiling would not collapse and remain horizontal for people to escape and to do fire fighting.

Sepcification:

38*24*12'/3.6M, 0.35mm

38*24*4'/1.2M, 0.35mm

38*24*2'/0.6M, 0.35mm

Color:

CKM standard white or black color

Material:

Body: double web,hot-dipped galvanized steel

Cap: prepainted hot-dipped galvanized steel

Installation:

Must be installed in accordance with ASTM C636

Loading Capacity:

It is based on simple span tests according to ASTM C635

Notes:

1. 10'(3.0M)Mainrunner and 12'(3.6M)Wall angle are also available in CKM.

2. Cross tee in 0.31mm thikness is available.