Sterling Building Materials distributes SpecSeal Firestop products as manufactured by Specified Technology.  They make several types of firestop caulking, spray firestopping, putty, pillows and collars for p.v.c. pipe applications.
 
SpecSeal Firestop
Series SSS Intumescent Sealant 
Series LCI Intumescent Sealant
Series LC Latex Endothermic Sealant
Series PEN300 Silicone Sealant
Series PEN200 Silicone Foam
Series ES Elastomeric Sealant
Series SSP Firestop Putty and Putty Pads
Series SSM Firestop Mortar
Series SSB Firestop Pillows
Series SSC Intumescent Collars
Series LCC Intumescent Collars
Series SSWBLU Intumescent Wrap Strip
Series AS200 Elastomeric Spray
Series SNS Smoke ‘N’ Sound Sealant
Series CS Cable Spray
Series SSWRED Intumescent Wrap Strip
Series FW FyreWrap
Series EP Power Shield™ Electical Box Inserts