Concrete and solid masonry units, vertically perforated bricks, aerated concrete, lightweight concrete hollow blocks. The dowel must be placed flush in the load-bearing substrate.

Wood or chipboard screws

•special fixing wings to keep the screw fixed in place, making overhead applications easier,
•the short dowel length enables quick installation thanks to the shallow drill hole depth,
•in a long version with high load-bearing capacity in perforated building materials, aerated concrete or when bridging plaster,
•the pronounced dowel edge prevents the dowel from slipping deeper into the drill hole