Quality Assurance & IS Codes


Known for top most quality product amongst the competitors in the market, our product is thoroughly tested in laboratories before dispatch and is IS Certified.

Indian Standard for AAC Blocks

​Conforming to Bureau of Indian Standard Code no- 2185 (Part-3):1984

Relevant Indian Standards:

  • IS: 6041 Code of practice construction of autoclaved cellular concrete block masonry. For more info, click here.

  • IS: 2185 Part 3:Specification for concrete masonry units ( Autoclaved cellular concrete blocks). For more info, click here.

  • IS: 1661 Code of practice for application of cement and cement-lime plaster finishes. For more info, click here.

  • IS: 1905 Code of practice for structural use of un –reinforced masonry. For more info, click here

  • IS: 2250 Code of practice for preparation and use of masonry mortars. For more info, click here


Physical Specifications of the Block

Physical Size

As per ​Bureau of Indian Standard Code no – 2185 (Part-3):1984, physical sizes of AAC blocks (Clause 3.2) Concrete Block shall be referred so by its nominal dimensions. The term ‘nominal’ means that the dimension includes the thickness of the mortar joint.
The size of AAC blocks are as under :-

Length 600 mm (23.6 in) & 625 mm (24.6in)
Height 200 mm (8 in), 240 mm (9.5 in) & 250 mm (10 in)
Width          100, 115, 125, 150, 200, 225, 250, 300mm (4, 41⁄2, 5, 6, 8, 9 10, 12 in)

Density, Strength & Thermal Conductivity

As per IS 2185 (​Part 3), 1984, Clauses 4.1,8.3,8.4,11.2,11.3,11.4 :-

Density in oven dry condition
Compressive Strength (Min)
Compressive Strength (Min)
Thermal Conductivity
451 to 5502.01.50.21
551 to 6504.03.00.24
651 to 7505.04.00.30
751 to 8506.05.00.37
851 to 10007.06.00.42


In House Laboratory Testing

All incoming raw material and outgoing products are thoroughly tested in our in house state of the art laboratory, and all products are ISI marked.