Copyright 2020 GharPedia. However, it defers from manufacturer to manufacturer. Talking about AAC blocks, we can say that these blocks are smooth and almost 8 times bigger than the normal bricks and yet, lighter than the normal bricks by a huge margin. This process depends upon the use of the mechanical equipment and desire of the owner to provide the required size. They are lightweight blocks which are easy to handle and are sustainable. AAC blocks are cured by steam and block masonry also requires less curing hence less water is used and there is saving in electricity bill. Fly Ash Bricks Vs AAC Bricks Fly Ash Bricks or AAC Blocks are being used increasingly as a replacement of traditional Red Bricks. Thus they do not spread termites and pests. Individual block is costlier, but the overall cost of masonry is low, as it consumes less mortar. Fly ash bricks use the fly ash as major raw material. They are also used for structures which require good sound insulation properties. The fly ash is generally the remnants of the burnt coals along with different gases fumes like Sulphur, carbon, mercury, produced generally from thermal plants. Disadvantages of Fly Ash Brick. CLC Blocks are made from cement, fly ash slurry, water and a foaming agent. Fly ash bricks and AAC blocks both are used to construct walls. The bricks are almost made up of ash so, they are very good at resistant to fire. Hemali Patel. Gharpedia.com helps to Build/Own/Rent/Buy/Sell/Repair/Maintain your dream house by providing all the tips & tricks in easy languages. As a result of its excellent properties, AAC is used in many building constructions, for example in residential homes, commercial and industrial buildings, schools, hospitals, hotels and many other applications. In most of the residential structures, nowadays AAC blocks are used as wall units, due to many of its advantages. The mix is made with the proper proportion of the lime, sand, cement, additional admixture (like an aluminum paste) along with the sprinkle of the water. Fly ash bricks are the cheapest masonry units. And moreover, the fine dust disperses very fast in the air which can cause respiratory problems to the beings and even plants. The aluminum paste added to the mix made such bricks more lightweight, finely microporous, and high insulation. Solid concrete blocks are cured for 7 to 14 days after casting. In Acc blocks , aluminum acts as major component factor. AAC Blocks Autoclaved Aerated Concrete (AAC) is manufactured in PLC controlled plant by mixing fly ash,Ordinary Portand Cement (OPC), quick lime and other additives with water in high speed mixer resulting in creating millions of tiny air cells giving it a strong cellular structure. 0.6 – 1.0 W/m K. The amount of heat transfer from a specific material is called its thermal conductivity. 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