Consistency
Every block that leaves our plant is manufactured under controlled factory conditions, delivering identical dimensions and performance across every batch, every time.
Pune's Leading AAC Block Manufacturer. Grade I Certified.
FORTIFY YOURSTRUCTURE
One Grade I AAC block replaces 8 to 12 conventional bricks at a third of the weight built for fire resistance, thermal efficiency, and dimensional precision from the point of manufacture.
Fly Ash Based
Zero Topsoil Impact
Green Building Credit Eligible.
FIRE RATED
GRADE I AAC BLOCKSMANUFACTURED IN PUNE1,000 M³ PER DAYTRANSPORT INCLUDEDPRECISION CUT TO TOLERANCEFLY ASH BASEDSAME-DAY RESPONSEFIRE RATEDGRADE I AAC BLOCKSMANUFACTURED IN PUNE1,000 M³ PER DAYTRANSPORT INCLUDEDPRECISION CUT TO TOLERANCEFLY ASH BASEDSAME-DAY RESPONSE
GRADE I AAC BLOCKSMANUFACTURED IN PUNE1,000 M³ PER DAYTRANSPORT INCLUDEDPRECISION CUT TO TOLERANCEFLY ASH BASEDSAME-DAY RESPONSEFIRE RATEDGRADE I AAC BLOCKSMANUFACTURED IN PUNE1,000 M³ PER DAYTRANSPORT INCLUDEDPRECISION CUT TO TOLERANCEFLY ASH BASEDSAME-DAY RESPONSEBuilt Better Built Smarter
Why Choose 45 AAC Blocks?
Quality
Grade I compressive strength, verified under rigorous quality control, ensures that every 45 AAC Block meets the demands of structural and non-structural applications alike.
Reliability
With a production capacity of 1,000 cubic metres per day, SaiAstra ensures that project timelines are never held back by material availability.
The 45 AAC Advantage
4 hrs
Fire Resistance
Non-combustible by composition, 45 AAC Blocks hold structural integrity for four hours under direct fire meeting and exceeding most building code requirements without any surface treatment.
1/3rd
Ultra Lightweight
One third the weight of clay brick. Reduces structural dead load by up to 55%, cutting steel and concrete costs by up to 20% on every project.
30%*
Save on Project Cost
Lighter frame, less mortar, faster cycles up to 30% in savings across steel, concrete, and labor. Visible on the estimate before work begins.
25–30%
AC Cost Savings
Thermal conductivity of 0.16 to 0.21 W/mK keeps interiors cooler and cuts airconditioning costs by 25 to 30%.
8–12×
Faster Construction
Non-combustible by composition, 45 AAC Blocks hold structural integrity for four hours under direct fire meeting and exceeding most building code requirements without any surface treatment.
37–45 dB
Acoustic Insulation
STC rating of 40 to 44. Absorbs airborne sound and vibration through the cellular structure no additional acoustic layer needed.
Fly Ash
Sustainable Choice
Made from fly ash — a by-product of thermal power generation — 45 AAC Blocks require less energy to produce than a conventional brick kiln and qualify for material and energy credits under IGBC and GRIHA rating systems.
±1 mm
Dimensional Accuracy
Identical dimensions across every batch. Mortar joints of 2 to 6 mm, straighter walls, and less time spent on finishing.
AAC Blocks vs Traditional Materials
3xFaster Construction
70%Less Weight
8/9Categories Won
4hFire Resistance
Feature
⭐ PREMIUM CHOICE45 AAC Blocks
TRADITIONALRed Clay Bricks
STANDARDConcrete Blocks
Composition
Fly Ash, Cement, Lime, Gypsum, Aluminum Powder
Fly Ash, Cement, Lime, Gypsum, Aluminum PowderTop Soil
Cement, Sand and Coarse aggregates
Weight (kg/m³)
551-650
1,700-1,800
1,800-2,000
Compressive Strength
4 N/mm²
3-3.5 N/mm²
4-5 N/mm²
Thermal Conductivity
0.16-0.21 W/mK
0.81 W/mK
0.9-1.3 W/mK
Fire Resistance
4 Hours
2 Hours
3-4 Hours
Construction Speed
3x Faster
Baseline
Moderate
Energy Efficiency
Excellent
Poor
Moderate
Eco Impact
Low (Fly ash)
High (Top soil)
Moderate
Clear Winner
45 INC AAC Blocks lead in 8 out of 9 categories
Every Number, Verified.
All values are Grade I certified and tested to BIS standards. Performance varies with wall thickness, wall system, and site conditions speak to our technical team for project specific guidance.
Technical Specifications
Performance Properties
An active Green member — Series to BIS standards
Grade
1
Compressive Strength
4 N/mm²
2
Dry Density
551-650 kg/m³
3
Fire Resistance
4 hrs
4
Thermal Resistance
0.46–1.25 m²K/W
5
Thermal Conductance
0.16–0.21W/mK
6
Sound Reduction
37–45 dB
7
Sound Transmission
STC 40–44
8
Modulus of Elasticity
1,500–2,500 N/mm²
9
Drying Shrinkage
0.05% Maximum
10
Water Absorption
10% by Weight
11
Colour
Light Grey
12
Melting Point
Approx. 1,200°C
Available Sizes
⊕ 2 OptionsChoose the dimensions that fits your project
Available Thickness Options
Block Dimensions (MM)
Length
625
Height
240
Thickness
75 MM
AAC Stock — Isometric View
Aggregate, aerated, and certified tensile concrete
Block preview: 625 mm length, 240 mm height, 75 mm thickness. Move cursor over the preview to interact.
L: 625 mmH: 240 mmT: 75 mm
Every Kind of Build.
All values are Grade I certified and tested to BIS standards. Performance varies with wall thickness, wall system, and site conditions speak to our technical team for project specific guidance.
Residential and Commercial Projects
A smart solution for apartments and townships, offering faster project execution, lower energy consumption, and lasting durability.
- Structural Cost Savings
- Faster Wall Completion
- Lower Cooling Costs Per Unit
Industrial and Warehouse Builds
Built for warehouses, factories, plants. Load-bearing capacity with lightweight advantages.
- 4-Hour Fire Resistance
- No Additional Fire Treatment
- Low Long-Term Maintenance
Institutional Buildings
Ideal for schools, hospitals, and public buildings where acoustic privacy, thermal comfort, and sustainability credentials are essential.
- 37–45 dB Acoustic Reduction
- Thermal Comfort Without Add-Ons
- Green Rating Eligible
Calculate your requirements
Built in Pune, trusted across Maharashtra every strong partnership
begins with a single conversation.
Get in Touch with the SaiAstra Team.
Send us a Message
- Sales:sales@45inc.in
- General Enquiries:info@45inc.in
- Marketing:marketing@45inc.in
