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AAC Block Price in Chennai — All Sizes 2" to 9" | 09 Jun 2026

Compare AAC block prices per piece for all standard sizes. Lightweight, thermal insulating, faster construction. Bulk supply with site delivery across Chennai.

Prices update daily 📦 Bulk supply available 🚛 Site delivery Updated: 09 Jun 2026
Live Price Table

Today AAC Block Price Chennai — All Sizes

Price per piece · GST extra · Updated 09 Jun 2026 · Call for confirmed bulk rate

SizeProductPrice TodayUnitBest For
2" AAC 2" Block — per piece (600×200×50mm) 2" (50mm) — Lightweight Partition Wall Block View Details →
3" AAC 3" Block — per piece (600×200×75mm) 3" (75mm) — Interior Partition Wall Block View Details →
4" AAC 4" Block — per piece (600×200×100mm) 4" (100mm) — Standard Wall Block, Most Common Size View Details →
5" AAC 5" Block — per piece (600×200×125mm) 5" (125mm) — Intermediate External Wall Block View Details →
6" AAC 6" Block — per piece (600×200×150mm) 6" (150mm) — External & Load-Bearing Wall Block View Details →
8" AAC 8" Block — per piece (600×200×200mm) 8" (200mm) — Heavy Load-Bearing Wall Block View Details →
9" AAC 9" Block — per piece (600×200×225mm) 9" (225mm) — Maximum Strength Load-Bearing Block View Details →

* Prices indicative. Call +91 63996 96363 for confirmed live rate. GST applicable extra.

Which AAC Block Size for Which Wall?

SizeBest UseBlocks per m²Price / m²
2 inch (50mm)Internal partition walls, dry areas8.3~₹232
4 inch (100mm)Internal walls, partitions — most popular8.3~₹415
6 inch (150mm)External walls for G+1 homes — standard TN spec8.3~₹648
8 inch (200mm)Load-bearing walls, external walls G+2+8.3~₹813
9 inch (225mm)Replaces traditional 9" brick — max strength8.3~₹913
Most popular size in Chennai: 6 inch (150mm) AAC blocks are the most widely used size for external walls in Tamil Nadu residential construction. They provide an excellent balance of thermal insulation, load capacity, and cost. For internal partitions, 4 inch (100mm) is the standard choice.

Get AAC Block Price Quote — Chennai

Bulk supply · Site delivery 24–48hr · GST invoice · Min 500 blocks

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AAC Blocks vs Red Bricks vs Solid Blocks — Chennai Comparison

ParameterAAC Block (6")Red Brick (9")Solid Block (6")
Price per unit₹78/block₹8–₹12/brick₹22/block
WeightLight (~8 kg)Heavy (~3.2 kg each, 12/sq ft)Heavy (~22 kg)
Blocks/m² of wall8.3 blocks~65 bricks8.3 blocks
Cost per m² (materials only)~₹648~₹650 (similar)~₹183
Thermal insulationExcellentPoorPoor
Construction speed3–4× fasterSlowest2× faster
Dead load on structureLightestHeavyHeaviest
Best forAll wall types — premium choiceLow cost housingCompound walls

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Frequently Asked Questions

AAC block prices in Chennai today range from ₹28/block (2 inch) to ₹110/block (9 inch). The most popular 4 inch AAC block is ₹50/block and 6 inch is ₹78/block. Call +91 63996 96363 for live rates and bulk pricing.
For external walls in Chennai, 6 inch (150mm) AAC block is the most commonly used size — it provides excellent thermal insulation for Tamil Nadu heat while meeting standard structural wall requirements. For internal partitions, 4 inch (100mm) is the standard choice.
Per m² of wall, AAC blocks cost similar to red bricks in material cost. However, AAC offers significant savings in: labour (3–4× faster to lay), plastering (thinner coat needed due to flat surface), reduced cement mortar consumption, and lower structural steel due to reduced dead load. Overall project cost with AAC is typically 8–12% lower than red brick construction.
BuildingNeeds has a minimum order of 500 blocks for AAC delivery to Chennai sites. For reference: 500 blocks of 6 inch AAC cover approximately 60 sq m of wall (both sides). Call +91 63996 96363 or WhatsApp for a delivery schedule that matches your construction progress.
One standard AAC block (600×200mm face) covers 0.12 m² of wall area. Therefore 1 m² of wall requires approximately 8.3 blocks. For 100 sq m of wall (both sides of a 50 sq m room), you need approximately 833 blocks. Always add 5% wastage for cutting.
Yes. BuildingNeeds delivers AAC blocks to all areas of Chennai and surrounding districts including Chengalpattu, Kanchipuram, and Thiruvallur. Minimum order 500 blocks. Delivery within 24–48 hours with GST invoice.