Meghalite- AAC Blocks Manufacturers in Bangalore, Karnataka

A modern solution for better construction from a Bengaluru based company

The Autoclave Aerated Concrete Block, or more popularly, AAC Block is a happening, smart and green building material now widely used all over India. Made by a Bengaluru based company that's always on the look out for contemporary innovations in building materials, Meghalite AAC Block has emerged as the most preferred substitute and is fast replacing conventional Red Clay Bricks, CC Blocks, Fly Ash Bricks, CLC Bricks and so on, which were used in building walls in residential, commercial and institutional construction until now.

A modern solution for better construction, Meghalite AAC Blocks comprise 60 - 65% Fly Ash (by weight), with other elements being OPC Cement, Quicklime, Aluminum powder and Gypsum. With such strong composition, no wonder Meghalite AAC Blocks are highly robust and durable despite their light weight. Also, this AAC Block’s solidity owes its origins to the calcium silicate and from the process of curing in a pressurized steam chamber called an Autoclave.

COMMON DIMENSIONS

LENGTH(mm)	HEIGHT(mm)	THICKNESS(mm)
600(2 ft)	200 (8")	100 (4")
600(2 ft)	200 (8")	125 (5")
600(2 ft)	200 (8")	150 (6")
600(2 ft)	200 (8")	200 (8")
600(2 ft)	200 (8")	230 (9")

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Meghalite AAC Blocks Features

HIGH BOND STRENGTH
NO SHRINKAGE CRACKS
HIGH THERMAL INSULATION
ZERO WASTAGE

HIGH COVERAGE
NO CURING REQUIRED
ECONOMICAL
EASY APPLICATION - WORK ABILITY

A BRIEF HISTORY AND ADVANTAGES OF AAC BLOCKS

While AAC has been produced for more than 70 years, and though it offers several significant advantages over other cement construction materials since decades, it is only now being recognised in the construction industry for its lower environmental impact. Furthermore, AAC has many more advantages. Such as:

Improved thermal efficiency reduces the heating and cooling load in buildings.
Porous structure allows for superior fire resistance.
Workability allows accurate cutting, which minimizes the generation of solid waste during use
Resource efficiency gives it lower environmental impact in all phases of its life cycle, from processing of raw materials to the disposal of waste.
Lite weight saves cost & energy in transportation, labor expenses, and increases chances of survival during seismic activity.
Larger size blocks leads to faster masonry work.

MEGHALITE AAC BLOCKS BENEFITS

LIGHT IN COST & WEIGHT : Meghalite AAC blocks are an affordable, cost-efficient and eco—friendly substitution for red clay bricks. It's ideal for constructing edifices, thanks to its singular traits of high load bearing capacity and lite weight mass. What's more, Meghalite AAC blocks possess a well-defined porous structure and insulation property, when compared to other light-weight concrete materials. The presence of even air pockets ensure comparatively less weight in Meghalite AAC blocks, when compared with all other bricks in the market.
SOUND SUPPRESSION : Meghalite AAC Blocks are first-of-its-kind in its genre of building materials, as they provide absolute work-ability, tensile strength and suppleness over and above the sound insulation properties. The sound reduction index of the Meghalite AAC blocks are high-performance as per the global Sound Reduction Index, which is a global standard for assessing the performance of acoustic properties of partition (wall) structure. The auditory sensations in structures built using Meghalite AAC blocks stand out — low sound absorption index of A0 and a truly low sound transmission index of B3 stand testimony to the dissipation of sound traveling through Meghalite AAC, and therefore, suppression.
FIRE RESISTANT : Meghalite AAC blocks are reasonably effective against fire, and easily meet the rigorous requirements of fire safety — as they can resist fire up to 1200°C. The factional air pockets, within, augment thermal diffusion, to the tune of 60% of that of the clay brick. The impressive thermal insulation is able to hold out extreemely hot/cold environments with flying colours. The energy efficiency is enhanced as the heating and cooling prerequisites of structures using Meghalite AAC blocks are very modest regardless of the ambient temperatures.
SUPPLE STURDINESS : With a compressive force that ambits around 3.5-4N/m2 compared to just 2.5-3N/m2 of clay bricks, Meghalite AAC blocks are sturdy by design.
PEST/INSECT RESISTANT : Thanks to the absence of organic components in the Meghalite AAC blocks, an extraordinary resistance against common pests, rodents as well as moulds is ensured.
ENERGY SAVER : Meghalite AAC blocks are trailblazers as far as thermal ratings are concerned, and LEED certified construction blocks. Using Meghalite AAC blocks, the construction industry can reduce up to 200mn tones of Carbon dioxide emission, thus generating an energy efficiency of about $20 billion each year.
EARTHQUAKE RESISTANT : As the unique manufacturing process renders the Meghalite AAC blocks with appreciable force, this along with their light weight bestow firmness to a structure, enabling it earthquake resistant.
NO WATER SEEPAGE AND MINIMAL ABSORPTION : The perpetual pores in Meghalite AAC blocks are unvaryingly spread all over each piece, resulting in minimal absorption owing to subdued Capillary action. This trait provides the Meghalite AAC blocks with no water seepage and minimal absorption performance.
NO BREAKAGE FOR BUYERS/BUILDERS : There is no chance of breakage of AAC blocks for buyers of Bengaluru as Meghalite has a unit within the garden city. Also, you can expect timely delivery of blocks with no loss, thanks to the favourable unit location.
FASTER PROJECT COMPLETION : Unlike red bricks installation which is slow and tedious, Meghalite AAC blocks with enlarged dimension ensure faster building process and thus reduced project turnaround time. While the masonry work is brought down, a swift completion means built spaces can be sold or rented faster.
REDUCED PROJECT COSTS : Despite best efforts of the labourers, the conventional and other types of bricks cannot match the light weight and superior size of Meghalite AAC blocks. So with decreased lead and installation time, you can easily save on costs.
WATER SAVER : You would be surprised to know that water is not required for curing Meghalite AAC Blocks if Meghalite AAC Block jointing mortar is used. Only in the case of conventional mortar mix mortar joints that water is needed for curing.
ENERGY EFFICIENT : By definition, energy efficiency refers to usage of less energy to perform a task. Through thermal insulation, Meghalite AAC walls provide this benefit by helping maintain appropriate internal and external temperatures, thus saving vital energy and cost.
NOISE RESISTANT : Noise reduction is essential in today's chaotic city life. Thanks to the sound transmission class rating of 44, Meghalite AAC blocks can be used as a sound barrier of 8" wall to shut out the hustle and bustle of urban roads.

size

MEGHALITE (AAC) Blocks come in the following standard sizes*

Length	Height	Thickness
600 mm	200 mm	75 mm
600 mm	200 mm	100 mm
600 mm	200 mm	150 mm
600 mm	200 mm	200 mm
600 mm	200 mm	230 mm

FIRE RESISTANCE

Wall Thickness	Resistant up to
6 in	6 hrs
4 in	4 hrs
2.5 in	2 hrs
2 in	1 hrs

EASILY CUSTOMIZED INTO DIFFERENT SHAPE AND SIZE

Length(L)	600mm	24"
Height(H)	200mm	8"
Width(W)	100/150/200/225/250/300 mm	4"/6"/8"/9"/12"

TECHNICAL SPECIFICATIONS

Perticulars	Units	Values	Requirement as per IS-2185 part-3
Compressive Strength	N/mm2	>4.0	> 4.0 (Density range 551-650 Grade-1)
Oven Dry Density	kg/m3	560-640	551-650
Fire Rating	Hrs.	8.00(For 200ml wall)	6 hrs in Desirable
Thermal Conductivity(k value)	W/mL	0.16-0.21	0.24 Max
Sound Reductions		45db for 200mm blocks without plastering	NA
Modulous of Elasticity	Mpa	2040	NA
Thermal Resistance(R Value)	M2k/W	0.95(200mm width)@021 W/mk	Max Value is Desirable
Thermal Conductance(U Value)	W/M2k	1.05(200mm width)@021 W/mk	Min Value is Desirable
Drying Shrinkage	%	0.04	0.05 for Gr-1Max
Sound Transmission Class	db	44	NA

THERMAL INSULATION

Density	R. Value/ inch
25 pcf	1.66
31 pcf	1.14

Technical Comparisons between Megha lite Aac Blocks (Vs) Clay Bricks

Parameter	Meghalite AAC Blocks	Clay Brick
SIZE (LxHxB)	600mm x 200mm x 75mm, 100mm, 150mm, 200mm & 230mm	225mm x 100mm x 75mm
Structural Cost	Steel saving upto 15%	No Such Saving
Mortar Consumption/ Cu.M with 1:6	0.5 Bag of cement ( due to Flat, even surfaces & less no. of joints )	1.35 bag of cement ( due to irregular surface and more no. of joints )
Breakage	Less than 3%	upto 15%
Construction Speed	Speedy Construction due to its big size, lite weight & easy to cut in any size or shape	comparatively slow
Quality	Uniforms & Consistent	Normally varies
Carpet Area	More due to less thickness of walls	Comparatively low
Availability	Any time	Shortage in Monsoon
Energy Saving	Approx. 30% reduction in air - conditioned load	No Such Saving
Chemical Composition	Sand/Flyash used around 60 - 70% which reacts with lime & cement to form AAC	Soil used which contains many inorganic impurities like sulphates etc. resulting in efflorescence
Precision in Size	Varition 1.00 ( +/-) mm	Variation 3.15 (+/-)
Compressive Strength	3.5 - 4.5N/mm2 ( As per IS:2185 part III)	2.5 - 3.0 N/mm2
Sound Reduction Index1 (dB)	45 for 20 mm thick wall	50 for 230 mm thick wall
Thermal Conductivity (Kw-m/C)	It transfers heat between 0.21 to 0.42 W/mk	It transfer heat between 6-10 W/mk
Cost benefit factor	Savings up to 24% in structural cost due to reduction of dead load ( Subject to project design)	No Such Saving
Weight	550 to 600 kg / Cubic Meter	1950 to 2000 kg / Cubic Meter
Fire Resistance	4 - 6 hrs depending on thickness	2 Hours
Water Absorption	Should not be more than 10% of its weight ( If the block or Brick absorbs more water than the above specified limit, it causes adverse effect on the strength and durability	Should not be more than 20% of its weight
Moisture Resistance	Better than Red Brick	Average
Saving Plaster	Overall 35% cut down in the cost of plastering	No Such Saving
Environment Impact	Made up of ashes, thus does no soil is consumed	Around 32kgs of fertile soil is used to produce one brick
Maintenance	Superior properties of AAC blocks reduces the maintenance cost	Very High
Water Using during Manufacturing	Low, only used for auto - claving	High, need curing before use

CUSTOM SIZED BLOCKS CAN BE SUPPLIED AS PER SPECIFIC REQUIREMENT

Sizes L x H x W	Volume CBM	No of Blocks (Per CBM)	Face Area (Per Block In Sq.Ft.)
600 x 200 x 100	0.012	80.00	1.35
600 x 200 x 150	0.018	55.56	1.29
600 x 200 x 200	0.024	41.67	1.29
600 x 200 x 225	0.027	37.05	1.29

PROJECT IMPACT

Impact on project cost & Material usage when Meghalite AAC Blocks used as compared to Red Clay Bricks or Fly Ash bricks

Material	Saving Of Material In %
Steel & Concrete	10%
Plastering Material	35%
Jointing Mortar	60%
Wastage	10%

Technical Specifications

Sr No.	particulars	Units	Sizes
1.	Size	mm	625 X 240 X thickness
2.	Thickness	mm	75,100,125,250-300
3.	Compressive Strength	N/m²	3.5-4.0(IS 2185)
4.	Normal Dry Density	kg/m3	550-650
5.	Sound Absorption	dB	Upto 42
6.	Fire resistance	Hrs	4*
7.	Thermal Conductivity"K"	w/m²k	0.16
8.	Thermal Resistance	k-m²/W	0.46
9.	Heat Transmission Coefficient "U"	W/m² k	2.17
10.	Drying Shrinkage	%	0.04(of length of block)

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