VVAJRAConcrete · Nagpur

The catalog

Four AAC sizes.
One uncompromised block.

Every VAJRA block is wire-cut to ±2 mm, autoclaved to a uniform 600 kg/m³ density, and palletised for site delivery anywhere within 800 km of Nagpur. Engineered to IS 2185 (Part 3), independently tested every quarter.

Density

600 kg/m³

IS 2185 Grade 1

Compressive strength

≥ 4.0 N/mm²

Tested per IS 2185

Thermal conductivity

0.21 W/m·K

IS 3346 verified

Drying shrinkage

≤ 0.035%

Below IS limit of 0.05%

4″
100 mm thick
24 × 8 × 4″

VAJRA 4″

600 × 200 × 100 mm

Internal partition walls

Block weight
8.4 kg
Per m³
83 blocks
≈ red bricks
7 bricks
Per m² of wall
8 blocks
Pallet quantity
80 pcs
Per truck
25 pallets
Pallet coverage
9.6 m²
Adhesive needed
3.5 kg/m²
Fire rating
2 hr
Acoustic rating
STC 39

Recommended for

  • Partition
  • Non-load-bearing
  • Apartment interiors
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6″
150 mm thick
24 × 8 × 6″

VAJRA 6″

600 × 200 × 150 mm

Internal & external walls

Block weight
12.6 kg
Per m³
55 blocks
≈ red bricks
8 bricks
Per m² of wall
8 blocks
Pallet quantity
56 pcs
Per truck
25 pallets
Pallet coverage
6.7 m²
Adhesive needed
4.8 kg/m²
Fire rating
3 hr
Acoustic rating
STC 44

Recommended for

  • External walls
  • Partition
  • Villas
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8″
200 mm thick
24 × 8 × 8″

VAJRA 8″

600 × 200 × 200 mm

External walls, low-rise load-bearing

Block weight
16.8 kg
Per m³
41 blocks
≈ red bricks
9 bricks
Per m² of wall
8 blocks
Pallet quantity
40 pcs
Per truck
25 pallets
Pallet coverage
4.8 m²
Adhesive needed
6.0 kg/m²
Fire rating
4 hr
Acoustic rating
STC 48

Recommended for

  • External walls
  • Boundary walls
  • Low-rise
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9″
225 mm thick
24 × 8 × 9″

VAJRA 9″

600 × 200 × 225 mm

Heavy load-bearing & high-rise external

Block weight
18.9 kg
Per m³
37 blocks
≈ red bricks
10 bricks
Per m² of wall
8 blocks
Pallet quantity
36 pcs
Per truck
25 pallets
Pallet coverage
4.3 m²
Adhesive needed
6.7 kg/m²
Fire rating
4 hr
Acoustic rating
STC 50

Recommended for

  • High-rise external
  • Load-bearing
  • Industrial
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Side-by-side

All four sizes, all the numbers.

Property4″100 mm6″150 mm8″200 mm9″225 mm
Dimensions (mm)600 × 200 × 100 mm600 × 200 × 150 mm600 × 200 × 200 mm600 × 200 × 225 mm
Block weight8.4 kg12.6 kg16.8 kg18.9 kg
Blocks per m³83554137
≈ Red bricks78910
Pallet quantity80 pcs56 pcs40 pcs36 pcs
Pallets per truck25252525
Adhesive per m² wall3.5 kg/m²4.8 kg/m²6.0 kg/m²6.7 kg/m²
Fire-resistance2 hr3 hr4 hr4 hr
Acoustic ratingSTC 39STC 44STC 48STC 50
Typical useInternal partition wallsInternal & external wallsExternal walls, low-rise load-bearingHeavy load-bearing & high-rise external

For architects & spec writers

Drop-in spec text for your tender document.

We maintain an editable architect spec pack — wall spec text in DOCX, CAD junction details in DWG, and a BOQ template in XLSX. Approved by independent green-building consultants for IGBC and LEED submissions.

Browse all resourcesRequest spec pack

Section 04 22 00 — Concrete Unit Masonry

2.01 A. Autoclaved aerated concrete blocks shall conform to IS 2185 (Part 3), Grade 1, density {600 kg/m³ ± 2%}, compressive strength not less than 4.0 N/mm², drying shrinkage less than 0.035%, thermal conductivity 0.21 W/m·K. Acceptable manufacturer: VAJRA Concrete, Nagpur.

2.02 B. Thin-bed polymer-modified adhesive mortar per IS 17452, applied with notched trowel at joint thickness 2–3 mm.

[ ...continues for 6 pages ]

Need a custom size?

We do made-to-order runs from 200 m³.

Special thicknesses, custom branding on pallets, JIT delivery schedules — talk to our sales team.

Talk to sales