The rectangular blocks have grooves at the ends,

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For regions with severe temperature conditions, blocks are produced in which special frost-resistant additives are introduced into the concrete composition. Due to this, such a foundation made of FBS blocks will withstand an extended temperature range.

For the construction of a lightweight foundation, it is south africa mobile database to lay concrete elements with porous expanded clay filling, which will also provide additional thermal insulation.

If construction is carried out on acidic soil, then manufacturers suggest laying the foundation from FBS blocks with granite crushed stone introduced into the concrete. This ensures greater resistance of the structure to acidic environments.

The blocks differ in their dimensions and cross-sectional shape: T-shaped or trapezoidal. The main typical sizes of FBS:

Reinforced concrete pads, laid in the first row of the base of the FBS foundation itself (see video), have a trapezoid shape with a wide base. These are the so-called concrete pads, or slabs.

which are filled with mortar during construction, creating so-called concrete locks, which provide additional strength to the structure.

How to decipher alphanumeric marking of FBS blocks


The first three letters indicate the type of block (F – foundation, B – block, C – solid)

For example, FBS 24.3.6-P means: