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Comparison Table for AAC Blocks to Red Clay Bricks

	Parameters	Brik-O-Lite AAC Blocks	Burnt Red Clay Bricks
1	Basic raw materials & other inputs	Cement IS-12269, IS-8112, Sand/PFA-IS-383,High Quality Lime IS-712,Gypsum,Water-IS-456, Fly Ash-IS-3812(PT-1) & aluminium as aerating compound	Top Soil & Energy
2	Dry Density kg/m3	550 - 650 kg/m3(dry oven) IS-2185(PT-3)	1900 kg/m3
3	Compressive Strength in kg/cm3	30-45 kg/cm3, IS-2185(PT-4)	40-75-kg/cm3
4	Aging	Gains strength with age	No gain in strength with age
5	Thermal Conductivity (W/m-k.)	0.24 W/m.k.(for 551-650 kg/m3)	0.81 W/m.K.
6	Sound Insulation	Superior than burnt clay & hollow concrete	Normal
7	Ease of Working	Can be cut, nailed & drilled	Normal
8	Fire Resistance	4 to 6 Hours (depending on thickness)	2 Hours
9	Sound Reducing Index	45 db for 200 mm thick wall	50 db for 230 mm thick wall, for the frequency ranging from 200 to 2000 hz
10	Pest & Rodent Resistance	No fungus & algae germination due to non organic properties	Algae Susceptible
11	Process	Casting-rising-Precuring-IS-456, IS-2185(PT-4)	Moulding heat treatment
12	Pre-cast Brick Size	600X200X75 To 300mm-IS-2185(PT-3,4)	230X100X70mm
13	Pre-cast Elements	Any size of elements	Not feasible
14	Water Absorption % by weight	Less than 20% by volume-IS-2185(PT-3)	20% by volume
15	Drying Shrinkage mm/meter	Shrinkage after maturing 0.011 (for 600 kg/m3) IS-2815(PT-3)	No shrinkage
16	Productivity	Output 100% more than brick work	Normal
17	Eco Friendliness	Pollution free, normal energy requirement, open process uses fly ash or sand lime	Creates smoke, uses high energy, wastes agricultural land
18	Structural saving due to dead weight reduction	55% reduction in weight of walls. Tremendous structural saving for high rise buildings in earthquake/poor soil area	No additional saving
19	Delivery	Pre-Cured and ready for delivery-IS-456	Seasonal
20	Automization	Automated manufacturing process-accurate design mix	Manual
21	Labour involvement for 10x10 ft wall	1 Labour	2 Labours
22	Construction Speed	Very high due to bigger size, light weight	Comparatively lower
23	Quality	Uniform and finished	Normally varies

Savings Comparison Of Brik-O-Lite vs Red Clay Bricks

PARAMETERS	BRIK-O-LITE AAC	CONVENTIONAL BRICKS
Savings in Steel	15-20 % due to lower dead-weight/load	No Saving
Savings in Cement	10%-15%	No Saving
Savings in Mortar	70%-80% reduction in use of Mortar. Less joints results in lesser quantity of mortar for building.	No Saving
Savings in Plaster	60%-70% reduction in the cost of plastering. AAC blocks have uniforms shape and texture, which gives even surface to the walls.	No Saving
Savings in Labor	10%-15% saving in Labour cost	More Labour required
Savings in Operational Cost	25% saving in Operation cost	No Saving
Savings in Construction Time	Installation time 3 to 3.5 times faster. Speedy construction due to big size	Slow construction due to small size
Savings in Energy	Approx 30% Air-condition load, both heating and cooling will come down	No Saving
Savings in Carpet Area	More Carpet area is available in same built-up area due to less thickness of walling – 2%-3%	Less carpet area available due to more thickness of walling