IIT Tirupati · Bureau Veritas
Compressive Strength
Grade 1 threshold: 4.0 MPa
74% of test max
Req: > 4.0 MPa (Grade 1)
Quality / Compliance
Every batch of our AAC blocks undergoes rigorous independent testing against IS 2185 Part 3. The data below is drawn directly from third-party lab reports — unedited, traceable, and on file.
4+ Test Parameters
4 Accredited Labs
Grade 1 BIS Grade
9001:2015 ISO Standard
Reports sourced from IIT Tirupati, Bureau Veritas, Stedrant Technoclinic, and ISO-LABS.
IIT Tirupati · Bureau Veritas
Grade 1 threshold: 4.0 MPa
74% of test max
Req: > 4.0 MPa (Grade 1)
Stedrant Technoclinic
Centred within grade band
Within spec
Req: 551–750 (Grade bands)
ISO-LABS
Limit: 0.05%
42% below limit
Req: < 0.05% max
IIT Tirupati
Limit: 10%
81% below limit
Req: ≤ 10% (IS 2185 Pt. 3)
Active Certifications
BIS Certification
IS 2185 Part 3 — Grade 1 AAC Blocks
CM/L-6600104805
Quality Management System
ISO 9001:2015 Certified
International Organization for Standardization
From Fortune 500 technology parks to landmark government infrastructure — our blocks are specified where failure is not an option.

Chitravathi Pumped Storage Project

Bangalore Industrial Park

Sripadham & Achutanandam Choultries

Kadapa & Pulivendula Branches

Manufacturing Facility, Badvel

Mini-Secretariate, Pulivendula & Sachivalayam
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