Gray Uro-Fill™ 2.1 VOC Acrylic Urethane Primer Surfacer, gallon Kit

An acrylic urethane primer surfacer that easily sprays to an ultra smooth texture. It is ideally suited for use over body filler, fiberglass, O.E.M. finishes and small areas of bare steel and treated aluminum.
URO-FILL 2.1 quickly finish sands with fine grit sandpaper and provides an excellent base for today’s high tech finishes.
Mix 4 parts URO-FILL 2.1 to 1 part URO-FILL Activator #102230
SUBSTRATES: Fiberglass, SMC, Rigid Plastics, Body Filler or Putty, Epoxy Primer or Self-Etch Primer, Refinish Enamel/Urethane, OEM Finishes.