The stone formats for sand-lime brick masonry blocks comply with DIN 4172 "Measurement in building construction". They are usually given as multiples of the thin format (DF). In deviation from this, large-format plan elements are also produced, these can have dimensions of up to 998 mm x 623 mm. For an overview of the available stone formats, see the lexicon article Designation of a sand-lime brick according to DIN V 106.
Source: bauwion
