Concrete Blocks

Concrete block

Concrete blocks are massive prefabricated elements made of concrete class C20/25 or C30/37 weighing from 500 to 5000 kg, used for the construction of retaining walls, silo walls and storage structures. They are produced in modular dimensions 60x60x120 cm, 80x80x160 cm or according to the project, characterized by high strength and lego-type connection system. They are used in industrial, road and hydrotechnical construction as a quick solution for retaining and storage structures.

For each project concrete blocks price is calculated individually, taking into account the type of block, dimensions, quantity and transport conditions. We guarantee competitive rates while maintaining the highest quality precast concrete blocks. We invite you to get a free quote tailored to your investment.

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Precast concrete blocks – massive structural elements

Concrete blocks are a versatile solution for structures requiring high weight and stability. They are manufactured from high-quality concrete using the vibration method in steel molds. Prefabrication technology ensures a homogeneous structure and repeatability of parameters of each element. Concrete block is characterized by a monolithic structure without air voids.

The construction of concrete blocks is designed for maximum functionality. The rectangular shape with chamfered edges facilitates laying. A system of lego grooves and splines ensures a stable connection without mortar. The concrete blocks are then equipped with transport handles or holes for hooks.

The material of the concrete blocks is high-quality structural concrete. The concrete grade is C20/25 for standard applications or C30/37 for extreme loads. Broken aggregate of 0-32 mm fraction provides high strength. In addition, the concrete block can be reinforced with bars or mesh for increased load-bearing capacity.

The dimensions of the concrete blocks are adapted to different applications. Standard dimensions 60x60x120 cm weighing about 500 kg for retaining walls. Larger blocks 80x80x160 cm weighing 1000-1500 kg for taller structures. In addition, concrete blocks produced to order up to 300x150x150 cm and weighing 5000 kg.

Modular system of concrete blocks allows a variety of configurations. Solid blocks for maximum weight and structural stability. Elements with through-holes for filling with soil or concrete. However, the concrete block can have indentations for piles or steel columns.

The surface finish of concrete blocks depends on the intended use. Smooth molded surface for visible face elements. Rough texture for better adhesion in backfilled structures. Above all, concrete blocks can be colored in the mass or surface-impregnated.

Key advantages of precast concrete blocks

Concrete blocks – instant structural stability

Concrete blocks weighing 500-5000 kg provide stability from the moment they are placed. Dead weight eliminates the need for anchoring in most applications. Concrete block wall 6 m high stable without foundation. Resistance to overturning by wind or ground pressure. System proven in thousands of retaining and storage structures.

Instant installation without mortar

The lego connection system in concrete blocks eliminates wet work. Concrete block laid dry with bonding as in masonry. Construction rate of 50-100 m² of masonry per day with one crane. In addition, the possibility of immediate loading of the structure. Reduction in construction time by 70% relative to stone masonry.

Modularity and removability

Concrete blocks can be repeatedly assembled and rearranged without loss of properties. Modular system allows any configuration and expansion. Concrete block used for temporary structures with 100% recovery. Then the ability to change the geometry of the wall as needed. Investment in components used repeatedly for decades.

Concrete blocks – extreme strength

C30/37 concrete block can withstand loads up to 750 kN/m². Resists the impact of vehicles and construction machinery. Concrete blocks do not crack with freezing and thawing cycles. In addition, resistance to chemical aggression of salts and acids. Durability of construction for a minimum of 100 years without maintenance.

Large scale economics

The cost of construction with concrete blocks lower by 40-50% than poured structures. Elimination of formwork and rebar reduces the outlay by thousands of zlotys. Concrete block does not require skilled masons – only a crane operator. In addition, no loss of materials and waste at the construction site. Lowest cost per m³ of retaining structure on the market.

Versatility of applications

Concrete blocks used from basements to hydraulic structures. One system for retaining walls, silos, boxes and fences. Concrete block works well in all soil and water conditions. However, it can be combined with other building materials. A solution for any type of industrial project.

Concrete blocks – resistance to extreme conditions

Concrete block maintains parameters at temperatures of -40 to +60°C. Resistance to water erosion in hydrotechnical structures. Concrete blocks withstand the pressure of waves and ice in coastal fortifications. Subsequently, resistance to vibration from road and rail traffic. A system that is reliable in the toughest conditions.

Industrial aesthetics

The raw aesthetics of concrete blocks match industrial architecture. Possibility to create textures and patterns by stacking blocks. Colored concrete block creates attractive facade surfaces. In addition, combining different sizes gives interesting visual effects. Functionality combined with modern design.

Application of concrete blocks in construction and industry

Concrete blocks are used primarily in the construction of retaining walls. They are used to protect slopes, embankments and excavations. Concrete block used for roads to support ground level differences. In addition, in retaining structures of multi-story parking lots. The system allows the construction of walls up to 10 m high without foundations.

Warehouses and landfills use concrete blocks en masse to separate materials. Concrete block forms boxes for aggregates, coal, biomass and waste. Walls of grain and feed silos from blocks 6-8 meters high. Then used as temporary partition walls in halls. Mobile solution adaptable to changing needs.

Farms use concrete block in livestock buildings. Concrete blocks used for silage silos. Walls of manure and slurry tanks made of ammonia-resistant blocks. In addition, manure slabs protected by blocks against spillage. A durable solution resistant to aggressive environments.

Hydrotechnical facilities use concrete blocks of a special type. Tetrapods and breakwater blocks for coastal reinforcement. Concrete block used in the construction of weirs and locks. But also harbor wharves and piers made of massive blocks. Seawater and ice-resistant system.

Construction sites use concrete blocks as temporary elements. The concrete block serves as ballast and load for testing. Concrete blocks form temporary process roads and platforms. First of all, excavation protection and construction support. Multiple use of the same elements on different construction sites.

Technical parameters of concrete blocks

Standard dimensions of concrete blocks:
– Type S: 60x60x120 cm (weight ~500 kg)
– Type M: 80x80x160 cm (weight ~1200 kg)
– Type L: 100x100x200 cm (weight ~2400 kg)
– XL type: 120x120x240 cm (weight ~4100 kg)
– Type XXL: 150x150x300 cm (weight ~5000 kg)
– Special blocks: by design up to 5000 kg

Strength parameters of concrete block:
– Class of concrete: C20/25, C30/37, C40/50
– Compressive strength: 20-50 MPa
– Water absorption: < 5%
– Frost resistance: F150-F200
– Abrasivity: < 4 cm³/50 cm²
– Concrete density: 2300-2400 kg/m³

Concrete block connection system:
– Type of lego: groove/groove 10×5 cm
– Contact surface: chamfer 2×2 cm
– Stability: horizontal displacement < 2 cm
– Load bearing capacity of connection: 50 kN/mb
– Removable: 100%
– Expansion joints: every 20-30 m

Construction parameters of concrete block:
– Permissible vertical load: 500-750 kN/m²
– Maximum height of the wall: 8-10 m
– Slope of retaining wall: 10:1 to vertical
– Block-to-block friction coefficient: μ = 0.7
– Block-to-ground friction coefficient: μ = 0.5
– Overturning moment: Mr = 250 kNm/mb

Concrete block logistics:
– Transportation: low-loader trailers
– Loading/unloading: crane 25-50 t
– Storage: paved yards 35 kN/m²
– Storage height: max 3 layers
– Transport handles: steel ϕ20-30 mm
– Assembly hooks: lifting capacity 2-10 tons

Installation of concrete blocks – instructions for construction of structures

Preparation of the ground for concrete blocks determines the stability of the entire structure. Removal of humus and non-bearing layers to stable soil. Making a sub-base of 0-63 mm aggregate 20-30 cm thick. Then compacting the subsoil to an index Is ≥ 0.98. Profiling the surface with a slope of 2% for water drainage.

Transporting and setting up the concrete block requires appropriate equipment. Self-propelled crane with a minimum lifting capacity of 25 tons for blocks up to 2000 kg. Chain or belt slings with a load capacity with a ratio of 6:1. In addition, hydraulic grippers for blocks without handles. Spacing of the crane with a working radius.

Laying the first layer of concrete blocks with utmost precision. Determination of the axes and corners of the structure with poles and strings. Concrete block leveled in two directions with a 2-meter level. Then leveling any irregularities with a wooden wedge. Spacing between blocks 5-10 mm as a working expansion joint.

Installing successive layers of concrete block while maintaining the bond. The lego system with grooves and splines ensures precise embedding. Offset vertical joints a minimum of 30 cm between layers. In addition, checking the verticality of the wall every 2 layers with gauges. Maximum deviation from the vertical of 20 mm for a height of 6 m.

Filling the inside of concrete blocks to increase the weight. Blocks with holes filled with 16-32 mm aggregate or lean concrete. Compaction of the fill in layers every 50 cm with a vibrator. However, in temporary structures the blocks remain hollow. Filling increases the mass by 30-40% and stability.

Protecting concrete block structures from water. Construction of drainage behind the retaining wall with ϕ100 mm pipes. Filter layer of geotextile and 8-16 mm aggregate. First of all, seal the upper surface with tar paper or foil. Drainage of rainwater outside the structure.

Building almost any almost mortar-free structure using concrete blocks, or so-called ” big blocks, ” allows it to be dismantled in no time and built again something completely different.

Concrete blocks easy installation and removal of blocks

Concrete blocks price – current price list 2024/2025

Concrete blocks price is formed in proportion to the weight and concrete grade of the elements. Concrete blocks price depends on the dimensions, weight and lego connection system. Concrete block price per piece increases non-linearly – larger blocks relatively cheaper per ton. Concrete blocks price takes into account the cost of molds, production and storage of heavy pieces. In addition, concrete blocks price includes depreciation of specialized production equipment.

Concrete blocks price – calculation by weight

Concrete block element price 500 kg is the price basis of the system. Concrete blocks element price 1000-1500 kg higher by 70-80%, but cheaper per ton. Concrete blocks element price 2000-3000 kg offers the best price-weight ratio. Concrete block price of the largest 5000 kg calculated individually. Then concrete blocks price per ton decreases as the order increases.

Concrete blocks price list 2024 – current rates

Concrete block price list in 2024 stabilized after a period of high inflation. Concrete blocks 2024 price increased by 5-6% relative to the end of 2023. Concrete blocks price is effective from January 2024 for all standard types. Concrete blocks price quoted per piece with the possibility of negotiation on quantities. However, concrete blocks price may include seasonal discounts in winter.

Connection system – concrete blocks price of variants

Concrete block basic price applies to smooth elements without joints. Concrete blocks price with the lego system (groove-forming) higher by 15-20%. Concrete blocks price with transport handles plus 10-12% to the price. Concrete blocks price of reinforced elements increases by 25-30%. In addition, concrete blocks special price for colored elements.

Transportation and unloading – concrete blocks price of services

Concrete block price of transport by low loader trailer 300-500 zł/carriage up to 24 tons. Concrete blocks price of unloading by crane 200-300 PLN/hour of work. Concrete blocks price can include free transportation when ordering 50+ tons. Concrete block price with installation increases by 30-40% for comprehensive service. In addition, concrete blocks price franco construction for contracts over 100 tons.

Concrete blocks price 2025 – forecast of changes

Concrete block price in 2025 projected with an increase of 3-5% year-on-year. Concrete blocks price list 2025 will depend on cement and aggregate prices. Concrete blocks price can be stable due to automation of production. Concrete block price in 2025 will remain competitive with gabions and steel structures. Above all, concrete blocks price will retain its advantage in large projects.

Rent vs purchase – concrete blocks price of alternatives

Concrete blocks long-term rental price 50-80 zloty/piece/month. Concrete block short-term rental price (up to 3 months) 100-150 zł/month. Concrete blocks purchase price profitable for use over 12 months. Concrete block repurchase price after rental minus 30-40% of the value. However, concrete blocks the price of their own elements gives freedom of use.

Concrete blocks final price calculated according to project specifications. Concrete block price includes selection of optimal dimensions and weight for the structure. Concrete blocks price includes stability and load-bearing capacity calculations. Concrete block price guarantees an economical solution for retaining structures. Ultimately, concrete blocks price is an investment in durability and functionality for decades.

Here are just some of our realizations regarding concrete blocks and our other precast products. This list includes only major investments on which our precast products have appeared.

What are concrete blocks?

Concrete blocks are innovative building blocks that resemble popular blocks in shape, equipped with special tabs that allow easy bonding without mortar. They are characterized by their versatility of use – from retaining walls and storage boxes to foundations and fences – offering quick installation, durability and the possibility of easy demolition and reuse.

What is the price of concrete blocks in 2025?

The price of lego concrete block starts from 80 zloty/piece., and the most expensive can cost up to several hundred zlotys. It all depends on their size and transportability.

What are the types of concrete blocks?

Various dimensions: 40x40x40, 60x60x60, 80x80x80, 160x40x40, etc.

What is the weight of the concrete blocks?

60 x 60 x 60 cm – weight 500 kg
120 x 60 x 60 cm – weight 1000 kg
180 x 60 x 60 cm – weight 1500 kg.

What are the dimensions of the concrete blocks ?

Standard dimensions from 40x40x40 to 180x60x60

What is the use of concrete blocks?

Retaining walls, boxes, temporary structures, entanglements, sheds

What are the properties of concrete blocks?

Mortarless installation, speed of construction, weather resistance, removable

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