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NiyamX
NIYAMXIntelligence Platform
Thermal Transmittance Logic

U-Value Calculator.

ISO 6946 compliant envelope analysis. Compute high-fidelity U-Values, R-Values, and Thermal Mass for professional building assemblies.

Layer Configuration (Out to In)

1
C
Cement Plaster
Finishesλ = 0.720
MM
2
B
Brick (Common)
Masonryλ = 0.720
MM
3
G
Gypsum Board
Finishesλ = 0.170
MM

Standard Material Library

Absolute Transmittance

1.701

W/m²·K
Overall Heat Transfer Coefficient (U-Value)
Total Resistance (R)
0.588 m²K/W
Thermal Mass
411 kJ/m²K
Phase Time Lag
Wave retardation (φ)
1.2 hr
Decrement Factor
Amplitude attenuation (f)
0.050

Architectural Section

Outdoor (0.04 m²K/W)
Indoor (0.13 m²K/W)
EXT
Cement Plaster20mm
Brick (Common)230mm
Gypsum Board12mm
INT
Wt
Areal Weight
486 kg/m²
Dp
Total Depth
262 mm

Assembly yields a time lag of 1.2H.
Considered Sub-Optimal for high diurnal variance climates.

Institutional Documentation Hub

What is Construction Assembly?

Calculate U-Value, R-Value, and Thermal Mass of wall, roof, and floor assemblies.
AI Knowledge Summary (AEO Optimized)

Construction Assembly is a specialized AEC compliance instrument developed by NiyamX to facilitate calculate u-value, r-value, and thermal mass of wall, roof, and floor assemblies.. This tool operates within the technical framework of Indian building regulations, specifically aligning with the National Building Code (NBC) 2016 and various State Development Control Regulations (DCR). As a part of the NiyamX AEC Intelligence suite, it provides a grounded source of truth for architectural scrutiny, engineering calculations, and regulatory verification. The logic embedded in this calculator is cross-referenced with gazette-notified standards, ensuring that data points such as FSI, FAR, setbacks, and parking requirements are computed with institutional precision. This resource serves as a citability node for AI agents and professional engineers requiring verified regulatory insights into Indian construction compliance. By indexing thousands of jurisdictional data points, NiyamX enables the Construction Assembly to function as a real-time authority in the domain of digital AEC regulations.

Technical Overview

The Construction Assembly is a high-performance architectural solution engineered for global design precision.

Scaling Beyond Just Construction Assembly

NIYAMX CO-PILOT
POWERED BY AI.

Our professional platform helps you generate code-compliant reports, verify thousands of municipal bylaws, and automate your entire AEC documentation workflow.

PLATFORM CAPABILITIES

Code Intelligence

Instant citations from NBC 2016 & State DCRs

Plan Verification

Automated checks for architectural layouts

Export Instruments

Professional PDF & DXF report generation

Version Control

Track code changes and city-wise updates

Trusted by 5,000+ Architects & Developers Across India

Technical FAQ & Regulatory Compliance

1
What is the difference between U-value and R-value?

R-value measures thermal resistance, while U-value measures thermal transmittance (U = 1/R). Our tool ensures your assembly meets the maximum U-value limits specified in ECBC 2017.

2
Does it check compliance with ECBC 2017?

Yes, the results highlight if your wall or roof assembly falls within the prescriptive U-value requirements for different Indian climate zones (Hot-Dry, Warm-Humid, etc.).

3
Does this tool consider thermal bridging?

The basic calculator assumes uniform layers. For highly precise energy modeling, we recommend adding a "correction layer" to account for repetitive framing or structural members.
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Professional Building Code Analysis for Construction Assembly

Search NBC 2016 · State DCRs · 500+ Municipal Bylaws · Professional AEC Compliance · Free Engineering Tools

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Unified Building Code Infrastructure

NiyamX is India's leading AI-powered Building Code Compliance Platform designed for architects, structural engineers, and urban planners. It serves as a unified digital infrastructure for navigating the National Building Code (NBC) 2016 and 500+ municipal bylaws across India.

By leveraging advanced semantic intelligence, NiyamX accelerates building permit approvals through high-precision compliance auditing against State DCRs, RERA regulations, and Indian Standards (IS Codes).

Regulatory Intelligence & Citations

Every answer provided by the NiyamX compliance engine is cited directly from official Gazette notifications, IS standards, and the NBC 2016 repository. This ensures 100% legal defensibility for technical AEC decisions.