Frequently asked questions about the Expanded clay blocks category
What are Expanded clay blocks and what are they used for?
Expanded clay blocks are lightweight aerated blocks made from expanded clay aggregate used for load-bearing and non-load-bearing walls, partitions and foundations. They come in lengths from 100–350 mm and strengths of 3–5 MPa, offering good thermal and acoustic insulation.
What sizes and strengths do FIBO expanded clay blocks come in within this category?
FIBO blocks are available in lengths of 100, 150, 200, 250, 300 and 350 mm and U‑blocks sized 200x240x185, 250x240x185 and 300x200x185 mm. Strength classes offered include 3 MPa and 5 MPa (e.g. EFEKT 3MPa and 5MPa models).
How does the EFEKT series differ from standard FIBO blocks?
The FIBO EFEKT series features a decorative textured surface and is offered in 3 MPa and 5 MPa strengths with lengths from 100–300 mm. Standard FIBO blocks are aimed at regular masonry work without the pronounced decorative finish.
Which is better for a load-bearing wall — 3 MPa or 5 MPa?
For load-bearing walls 5 MPa blocks are generally recommended because they withstand higher loads; 3 MPa is suitable for non-load-bearing walls and partitions. The final choice should follow structural calculations and building design requirements.
Which FIBO U‑blocks are available and what are they used for?
Available FIBO U‑blocks are 200x240x185, 250x240x185 and 300x200x185 mm; they are used for placing reinforcement, forming lintels, floor beam supports and creating reinforced concrete belts. U‑blocks simplify installation of reinforcement and bond beams.
How many pieces per pallet for popular FIBO sizes (e.g. L=250 mm)?
Product titles show pack counts: e.g. FIBO EFEKT 5MPa L=250 mm /64TK means 64 pieces per pack/pallet. Likewise L=300 mm often comes in 48 pieces and L=350 mm in 48 pieces.
Are these blocks suitable for external walls without extra insulation?
FIBO expanded clay blocks provide decent insulation, but to meet modern energy standards external insulation or cladding is often required. The need depends on block thickness (100–350 mm) and thermal calculations for the building.
Can FIBO blocks be cut and worked on at the construction site?
Yes, expanded clay FIBO blocks can be cut with an abrasive or diamond blade and shaped with a chisel to adjust sizes and make channels for services. Use respiratory protection and safety goggles due to dust.
Which blocks to choose for internal load-bearing partitions from the FIBO range?
For internal load-bearing partitions choose FIBO blocks with 3 MPa or 5 MPa strength depending on the load; thicker units (250–350 mm) provide greater stiffness. Verify structural requirements and add reinforcement where specified.
Are FIBO blocks suitable as a substrate for ceramic tiles indoors?
Yes, FIBO blocks, especially the textured EFEKT series, are suitable for tiling provided the surface is levelled and plastered or prepared with tile adhesive and reinforcement mesh. Check flatness and adhesion before tiling.
New Arrivals in the Expanded clay blocks Category in 2026
Best sellers in the Expanded clay blocks category in 2026
Cheap products in the Expanded clay blocks category
Expensive products in the Expanded clay blocks category
- FIBO TALDMIKUPLOKK /42AL — 7.27€
- PLOKK FIBO EFEKT 5MPA L=300mm /48TK — 6.60€
- PLOKK FIBO EFEKT 5MPA L=250mm /64TK — 5.98€
- PLOKK FIBO EFEKT 3MPA L=300mm /48TK — 5.52€
- PLOKK FIBO U-300X200X185/84 — 5.43€
Price of products in the Expanded clay blocks Category
Expanded clay blocks: 2.22€ — 5.86€ (13)