CLEASBY MASTIC ROOF GUN Category: Spray Equipment Product Information Cleasby Mastic Roof Gun with 1/2” high pressure Graco pistol grip spray gun. Related Products HJ4520 COLD PROCESS HYDRAULIC SPRAYER Read more WARMER FOR COLD PROCESS MATERIALS Read more IN LINE HEATING SYSTEM Read more HJ1804 DOUBLE POWER ROLLER SYSTEM Read more