Durable core rock supplied in controlled size gradings
for infrastructure, engineered rock structures and
coastal protection applications.
10 – 300 kg
Project-specified core rock grading
01CORE ROCK
10 – 300 KG
Core Rock is supplied in controlled mass ranges from 10 kg to 300 kg, making it suitable for projects requiring graded quarry rock as part of engineered rock structures and infrastructure works.
The material is sourced from durable charnockite rock formations and selected at the quarry to achieve the required size and mass range. Its hard and durable characteristics make it suitable for demanding project environments.
ROCK PRODUCTS
Armour Rock
Large, durable armour rock blocks supplied for major
infrastructure, coastal protection and engineered rock applications.
300 – 800 kg
Project-specified armour rock grading
02ARMOUR ROCK
300 – 800 KG
Armour Rock is supplied in the 300–800 kg range for applications where larger, durable rock blocks are required.
Each block is selected and sized according to the required project grading. The hard and durable nature of the rock makes it suitable for major infrastructure and coastal engineering requirements where consistent rock quality and controlled sizing are important.
ROCK PRODUCTS
Armour Rock (HMB)
Large, durable armour rock blocks supplied for major
infrastructure, coastal protection and engineered rock applications.
1000 – 2000 kg
Project-specified heavy mass grading
03ARMOUR ROCK
HMB
Heavy Armour Rock (HMB) is supplied in larger mass ranges from 1000 kg to 2000 kg for projects requiring substantial armourstone blocks.
The larger blocks are individually selected and sized at the quarry face according to the specified project requirements. This allows the supply to be matched to the required mass grading for major infrastructure and coastal-protection works.
TECHNICAL SPECIFICATIONS
Stones
Armourstone shape and grading as per CIRIA C683
01
Material OriginWestern Ghats Region, Tamil Nadu, India
02
Rock TypeCharnockite (Hard Blue Granite, hard, durable)
03
DensityAbove 2650 kg/m³
04
ShapeCubical / blocky, as per CIRIA C683 standards
05
Water AbsorptionLess than 1% — non-calcareous, suited to permanent marine exposure
06
TestingIndependent NABL-accredited laboratory test certificate with every consignment
07
SelectionBlocks individually selected and sized at the quarry face; buyer and consultant inspection welcomed