FPPI Kydex Ring is for use as a backing material behind sprinkler escutcheons. 4" diameter covers most oversize holes (including oversize holes in ceiling materials to meet seismic requirements) cut in ceiling material during installation or ceiling material replacement. Kydex is a fire-resistant material made by Cleardex. May be cut to install around an existing sprinkler drop.
FIG 01-100 Kydex Ring
Washers
Sign Chain
Lag Screws
Spare Sprinkler Head Cabinets
Wall Plates, Cast Iron, Galvanized
Pendent Canopies Split Cup
Fire Alarm Bell Back Box
2-pc Recessed Short Skirt
Rod Couplings
Sprinkler Identification Decals