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.
- 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)