Tech Specification
Specification
Tech specification of AAC Blocks
No. | Parameter | AAC Block | Clay Bricks |
|---|---|---|---|
1 | Size ( LxHxT) | 600 x 200x (75 to 225)mm | 230 x 75 x 115 mm |
2 | Size Tolerance | 1.5mm(+/-) | 05 to 15mm(+/-) |
3 | compressive Strength | 3.5 N/mm2 & above (as per IS:2185) | 2.5 to 3.5 N/mm2 (as per IS:1077) |
4 | Dry Density | 550-650 Kg/Cum (oven dry) | 1950 Kg/Cum |
5 | Fire Resistance | 02 to 06 hours (depending upon thickness) | 02 hours |
6 | Sound Insulation Index | 45db for 200mm thick wall | 50db for 230mm thick wall |
7 | Thermal Conductivity | 0.16 (w / m-K) | 0.81 (w / m-K) |
General Specification of AAc block
1 | Structural Cost | steel saving up to 15% | no such saving |
2 | Cement Mortar For Plaster & Masonry | required less due to flat, even surfaces & minimum number of joints | required more due to irregular surface & more number of joints |
3 | Breakage & Utilization | negligible breakage almost 100% utilization is possible | average 10 to 15% breakage, so 100% utillization is not possible |
4 | Construction Speed | speedy construction due to it’s big size, light weight & ease to cut in any size or shape | comparatively slower |
5 | Labour Out Put | approximately double of conventional brick | comparatively low |
6 | Quality | uniform & consistent | normally varies |
7 | Efflorescence | no such chance, which improve the durability of wall along with plaster & paint in a long run | most chances are there |
8 | Fitting & Chasing | all kind of fitting & chasing possible ( as per IS:1905) | all kind of fitting/chasing possible |
9 | Carpet Area | more due to less thickness of walling material | comparatively low |
10 | Storage | readily available at any season in a short notice so no storage required | particularly in monsoon, stock at site is compulsory which block large working space |
11 | Water Required | required less in wetting & curing, hence saving in electricity bill & labour cost. | need more curing resulted to higher amount of electricity bill & labour cost |
12 | Energy Saving | approximately 30% reduction in air-conditioned load for both heating & cooling | no such saving |
13 | Maintenance | less due to its superior properties | comparatively higher |
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