Walls make up a large part of a building's cost and decide how hot it feels inside. In Rajasthan's climate, the choice of wall material matters more than in many states.
Red clay bricks
- Familiar to every mason, good strength, easy to cut.
- Heavier, need more mortar and plaster, quality varies between kilns.
Fly-ash bricks
- Made from fly ash, sand and lime or cement; uniform size and smooth faces.
- Use less plaster; quality depends on the plant and curing.
AAC blocks
- Large, light blocks with many air pockets; good heat insulation.
- Fewer joints, faster to lay, lighter structure; need block-jointing mortar and careful curing to avoid cracks.
How to compare cost
Do not compare price per piece. Compare cost per square metre of finished wall, including mortar, plaster, labour and the effect of lighter walls on the frame. Our brick calculator and an RFQ for both options make this quick.
Heat and comfort
AAC walls reduce heat flow compared with solid brick walls of similar thickness, which helps comfort and air-conditioning costs in hot regions. Shading, roof insulation and ventilation matter too.
Tip:Whatever you choose, ask for compressive strength and density test results on large orders, and inspect for broken corners at delivery.
Frequently asked questions
Are AAC blocks strong enough for load-bearing walls?
AAC is mostly used as infill in RCC-framed buildings. Load-bearing use needs specific design by your engineer.
Do AAC walls crack?
Cracks usually come from wrong mortar, poor curing or no crack-control measures at junctions. Use block-jointing mortar and follow the maker's guidance.
This article is general information, written in November 2026, and is not legal, tax or financial advice. Rules, rates and limits change; please confirm the current position with the authority concerned or a qualified professional before you act.
