847 Spray Adhesive is a high tack, pressure sensitive spray adhesive designed and tested by our engineers to be used with Trim-Tex vinyl beads. Trim-Tex 847 is a must for installing expansion products such as Magic Corner, Hideaway Expansion and 093V Expansion. Apply 847 to drywall and/or mud legs. Install bead immediately and pressure the mud legs onto the drywall. Comes in a 16oz spray can.