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SHEET 07 · KNOWLEDGE BASE

Construction Knowledge
IS Code Guides

Plain-English explanations of Indian Standards — what they say, what they mean for your home, and how to use them to protect yourself from contractor fraud.

8
ARTICLES
8+
IS CODES COVERED
5 min
AVG READ TIME
Structural5 min read

How to Verify Your Contractor's Quote Against IS 456:2000

Most Indian homeowners accept contractor quotes on faith. IS 456:2000 gives you the numbers to push back — here is exactly how to check M20 concrete quantities and spot overcharging before it starts.

15 Jun 2026Read →
Structural5 min read

M20 vs M25 Concrete: Which Grade Does Your Building Need?

Using the wrong concrete grade is not just inefficient — it can be illegal under IS 456:2000. This guide explains exposure classes, when each grade is mandatory, and why your location matters more than you think.

18 Jun 2026Read →
Structural6 min read

Steel Theft on Construction Sites: How to Catch It

Rebar under-delivery is one of the most common forms of contractor fraud in India. IS 1786:2008 gives you weight tables to verify every bar on your site. Here is exactly how to use them.

20 Jun 2026Read →
Structural5 min read

Seismic Zones in India: What IS 1893:2016 Means for Your Home

India is divided into four seismic hazard zones. IS 1893:2016 mandates specific design requirements for each — and most Indian homeowners have no idea which zone they live in, let alone what it means for their building.

22 Jun 2026Read →
Cost & Transparency5 min read

Per Square Foot Pricing: Why It Hides Contractor Fraud

A "₹1,800 per sq ft" quote sounds simple. It is actually the most effective way to conceal material substitution and quantity fraud. Here is what the number hides — and what to demand instead.

24 Jun 2026Read →
Electrical5 min read

RCCB and Electrical Safety: What IS 732:2019 Requires

Electrical fires and electrocution kill thousands of Indians every year. IS 732:2019 mandates specific safety devices for every home — most contractors omit them to cut costs. Here is what you cannot afford to skip.

26 Jun 2026Read →
Plumbing4 min read

How Much Water Does Your Family Need? IS 1172:1993 Explained

Most Indian homes have undersized water tanks because no one calculated the actual requirement. IS 1172:1993 gives you an LPCD formula — and the answer will likely surprise you.

28 Jun 2026Read →
Vastu5 min read

Vastu and Vedic Architecture: Understanding the 16 Zones

Vastu Shastra is not superstition — it is a 3,000-year-old environmental design system. The Vastu Purusha Mandala divides your plot into 16 functional zones, each with specific directional guidelines. Here is how it works.

30 Jun 2026Read →
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