Archello Awards 2025: Open for Entries! Submit your best projects now.
Archello Awards 2025: Open for Entries!
Submit your best projects now.
  • Quality tested in N.A.T.A laboratory
  • Fire and acoustic rated
  • Load bearing concrete blocks
  • Lightweight blocks using industrial by products (including fly ash)

Besser® Blocks are tried and tested building blocks suited to a wide range of residential and commercial building projects. These grey blocks, 390mm x 190mm x 190mm, when used in accordance with recommended installation standards and core filled with grout, have a Fire Resistance Level of 240 minutes.