The hollow space needs a brick anchor to gain the required holding values in the hollow areas. Utmost brick anchors or Screw for brick can also be used in concrete walls. It’s essential to use a hammer drill plus a masonry small piece to fit the brick anchor.
Brick anchor fasteners connect the item to the brick wall with brick or mortar joints. Brick anchors are drawn on rather than concrete fasteners as the bricks have void spaces, unlike concrete which is hard.
