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Erosion Control Pavement, Pavement for Ponds and Banks

System for reinforcement of banks and bottoms of rivers, streams and dams.

TRI-LOCK blocks are suitable for unstable walls of riverbeds that are washed away with water.

The TRI-LOCK system is a large-scale load pavement that is dry-assembled. The area of the pavement consists of two elements that are repetitive – a lock and a key that prevents any kind of movement. TRI-LOCK perfectly traces the terrain and has a high stability in waterway regulation. It can be grassed. The system can be used for parking areas, floor protection levees and polders and retention reservoirs and areas.

Non-binding demand

Photogallery of references

Erosion Control Pavement, Pavement for Ponds and Banks

Colour variants

CAUTION: The colours are presented for reference only, the colour tone may slightly differ.

Technicial specifications

Material vibro-pressed color concrete
Surface finish smooth, grooved
Freeze resistance acc. to ČSN 731322 T25
Pressure strength acc. to ČSN ISO 4012 to 50 Mpa
Volume weight 2100 kg/m3
Absorption capacity acc. To ČSN 731316 4-5 %

Model of construction

Model of construction
1.Original Terrain
2.Excavation for Gravel Bed
3.Compacted Gravel Bed
4.Compacted Gravel Bed - lower fraction
5.Joint Pavement Tri-Lock - Key Block
6.Joint Pavement Tri-Lock - Lock Block
7.Compacted Backfill - Gravel
8.Growing Green
9.Water Level

Building elements

CAUTION: The material consumption is for information only; it is based on a statistical calculation.
  • TRI-LOCK 100 mm - smooth

    TRI-LOCK 100 mm - smooth

    Size: 450 x 500 mm
    (one module = key and lock)         Size tolerance: ± 2,0 mm Facing area: smooth Weight: 28 kg Consumption per 1 m2: 5,6 module Quantity per pallet: 32 modules Weight of the pallet, including packaging: 920 kg
  • TRI-LOCK 150 mm - smooth

    TRI-LOCK 150 mm - smooth

    Size: 450 x 500 mm
    (one module = key and lock)         Size tolerance: ± 2,0 mm Facing area: smooth Weight: 42 kg Consumption per 1 m2: 5,6 module Quantity per pallet: 28 modules Weight of the pallet, including packaging: 1195 kg
  • TRI-LOCK 100 mm - grooved

    TRI-LOCK 100 mm - grooved

    Size: 450 x 500 mm
    (one module = key and lock)         Size tolerance: ± 2,0 mm Facing area: grooved Weight: 28 kg Consumption per 1 m2: 5,6 module Quantity per pallet: 32 modules Weight of the pallet, including packaging: 920 kg
  • TRI-LOCK 150 mm - grooved

    TRI-LOCK 150 mm - grooved

    Size: 450 x 500 mm
    (one module = key and lock)         Size tolerance: ± 2,0 mm Facing area: grooved Weight: 42 kg Consumption per 1 m2: 5,6 module Quantity per pallet: 28 modules Weight of the pallet, including packaging: 1195 kg

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Call to us +420 461 722 585
Visit us Lezník 133, 572 01 Polička,
Czech Republic

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Client references

“I would like to say a few things about the Tri-Lock material that we know very well. We hage used the system for two job orders – thanks to the satisfaction of the previous investor and its good erosion control properties. We used the system for these constructions: Okrouhlo u Prahy – used due to the large angle of slope of the retention reservoir. We had no problems with the installation. Svitavy Composting Plant – again thanks to the good erosion control properties.”
Březina Jan, BETA-PROJEKT s.r.o., Svitavy
“I would like to thank you for Tri-Lock – we used it to “pave” the bank of the stream and we were thrilled how easy it was to install in the difficult-to-access terrain.”
Petr Kořínek, České Budějovice
"Our municipality has decided to reinforce the challenging banks of the adjacent river by the Tri-Lock building elements. I think we cannot have better choice. Now the challenging points are "closed" and so-far we have detected no problems, with which we usually met in history, such as landfall at the bank to the river. Our thanks belong to you."
Stanislav Zelený, Náchod
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