Recommended Spraying Equipment Extensive field testing has shown that the Graco GH 833 Big Rig or Hydra Max 350 (now obsolete) sprayers work best for spraying of the water-based AIR-SHIELD™ LM, AIR-SHIELD LMP, AIR-SHIELD LSR, AIR-SHIELD TMP, and MEL-ROL® LM products. We are not aware of any other types of sprayers being used successfully with … Continue reading Sprayer Equipment Guidelines for W. R. MEADOWS Fluid-Applied Membranes (Study)