CavClear® Insulation System CavClear® Masonry Mat is factory bonded to extruded polystyrene cavity cut foam ...more add to workspace email a friend request for information   CavClear® Masonry Mat Prevents mortar from bridging the airspace and results in a continuous area for ...more add to workspace email a friend request for information   CavClear® Stone Mat A fluid-conducting, non-absorbent polymer mesh made from 100% recycled plastic t ...more add to workspace email a friend request for information   CavClear® Weep Vents CavClear® Weep Vents are used in the vertical joints of the brick masonry units ...more add to workspace email a friend request for information