AstroGel™ III Gel Seal Ceiling Grid for Cleanrooms AstroGel™ III Gel Seal — Optimum flexibility and protection against leaks — all in one grid system • Simplified installation • Compatible with either ducted or open plenum designs • Tight seals • Factory Mutual approval Better Air is Our Business ® The AstroGel III Gel Seal Grid System was developed specifically for cleanroom applications in the microelectronics, aerospace, and pharmaceutical industries. The flush-bottom grid system can be used with AAF Knife Edge HEPA, ULPA, and MEGA filters, either in a pressurized plenum, or with individual ducted modules.The AstroGel III grid has been successfully installed in cleanrooms worldwide. AstroCel II HEPA filter with knife edge Ducted module Pressure plenum

Silicone Gel Sealant The AstroGel III grid system uses a two part silicone gel sealant that adheres firmly to the knife edge on the filter to form an airtight seal. The gel releases cleanly when the filter is removed and cleans up completely, leaving no trace of film. A urethane gel sealant is also available when required. Main Channels, Cross Channels, Grid Assembly Installation time is kept to a minimum, due to the small number of components that make up the AstroGel III design. Grooved, self aligning splice bars allow easy alignment at grid intersections. All prime parts are individually marked...

Construction Features Grid Finish: All room-exposed surfaces factory finished with electrostatically-applied, baked-on, white polyurethane powder paint. J-Channel: Extruded aluminum wall (‘J’) channels are shipped in 12' lengths and precision factory-notched on either 24" or 48" centers. Wall channel joints are caulked and butted for fast, continuous installation. J-Corner: Wall channel corners are field mitered as required by room layout and caulked. Recessed aluminum clip angles are riveted to each corner of the extruded wall channel, permanently aligning and securing the joint. Wall Connections:...

Grid with Various Options “J” Channel Mitered Corner Clip Angle “J” Perimeter Wall Channel Blank Panel Mitered Corner Joints Separate Mini-Pan Sprinkler Provision Stainless Steel 90º Connector Bracket Sprinkler Seal Kit Half-Size Blank Panel Cross Channel Connector Bar Main Channel Connector Bar Hangers at 4' Intervals 14" Tappings at 12" Centers Factory Notch at 24" Centers 12' Main Channel Teardrop Light Fixture 4' Cross Channel Gel Troughs Mitered Corner Joint Extra Wide Sprinkler Channel Open-Top TM-4F Module Light Troffer Knife-Edge Type AstroCel II Filter 4

Grid Construction and Assembly Details Extrusion Profiles Blank Pans for AstroGel III Grid Main Channel Cross Channel Wall Channel Optional Sprinkler Cross Channel Conventional Notched-Long Side Notched-Short Side “L” Shaped Sprinkler Pan “L” Shaped 2.0" 1.75" 2.0" 2.28" 1.0" 3.32" 14" Turnbuckle Zee Bar Closure Strip (Continuous) Clip Angle Floating Corner Sprinkler Adapter Assembly Stainless Steel Adapter Rods 90º Connector Bar Floating Perimeter Channel 5

Grid Construction and Assembly Details Perimeter Intersection Inside Corner - Wall Channel Floating Perimeter Intersection 4-Way Intersection Main Channel Splice Corner Attachment @ Wall Optional Floating Perimeter with Zee Bar Mitered Corner at Floating Perimeter Wall Channel Stainless Connector Bracket Main Channel Splice Caulk Main Channel Wall Channel Miter Wall Channel 2 x 2 Clip Angle Perimeter Channel Main or Cross Channel 6

Grid Sprinkler Options Optional Sprinkler Penetration Through Extra Wide Cross Channel Standard Mini-Pan Sprinkler Penetration Sprinkler Penetration Through Blank Panel Optional Sprinkler Adapter Panel Sprinkler Cross Channel 1" Sprinkler Pipe (by others) Main Channel 1" Pipe Gel Retainer Spool Grommet Field Drill Main Channel Main Channel AAF Ultragel Sealant 7

Better Air is Our Business ® AAF has a policy of continuous product research and improvement and reserves the right to change design and specifications without notice. 10300 Ormsby Park Place Suite 600 Louisville, Kentucky 40223-6169 www.aafintl.com Customer Service 877.228.7007 Fax 877.228.8008 ISO Certified 9001:2000 ©2007 AAF International AFP-1-419A AUG ’07 QG 2M AstroGel™ III Teardrop Teardrop fixtures attach directly to the flat portion of the AstroGel grid onto the cross channels. Cosmetic end caps are supplied for the end of each row of light fixtures. Open Top Troffer The open top light...