Architecture in Iran’s mountainous regions—especially in the Zagros—has always been more than shelter; it has been a reflection of how humans listen to the land. Traditional builders, guided by experience and necessity, shaped homes that belonged to their environment: thick walls to hold the warmth, narrow openings to guard against the cold, roofs that followed the slope of the earth. These were not just design choices, but quiet agreements with nature, that harmony is fading. Standardized materials and globalized construction methods often ignore the wisdom embedded in local forms. Buildings are now more fragile, less efficient, and disconnected from both culture and climate. This research invites a new conversation—between the ancient and the advanced. It explores how nanotechnology can breathe new life into architectural skins in the Zagros, not just by improving insulation or durability, but by helping buildings feel again. Six innovative materials—ranging from photocatalytic coatings to bio-responsive membranes—are studied not only for their performance, but for their potential to restore meaning and connection in architecture. The results suggest a subtle but powerful shift: when modern science honors traditional sensibility, architecture becomes more than functional—it becomes alive. A building’s surface transforms into a kind of living skin, one that responds to light, temperature, and time, just as the old homes once did. This is not about replacing the past, but about extending it—with care, with intelligence, and with empathy. In this vision, nanotechnology is not a tool of erasure, but of remembering differently. It allows architecture to root itself once more in place, while still reaching toward the future.
Published in | International Journal of Architecture, Arts and Applications (Volume 11, Issue 3) |
DOI | 10.11648/j.ijaaa.20251103.18 |
Page(s) | 185-191 |
Creative Commons |
This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited. |
Copyright |
Copyright © The Author(s), 2025. Published by Science Publishing Group |
Architecture, Nanoscale, Zagros, Semantically-Oriented, Smart Skins
Nanotechnology | Main Feature | Climatic Performance | Implementation Example | Functional Result |
---|---|---|---|---|
Nanophotocatalytic TiO2 | Self-cleaning | Anti-fungal, anti-algae | Himalayan Hospital Facade | 90% reduction in biological growth |
PVDF + Nano Aerogel | Ultra-light and thermal insulation | Reduced heat transfer | Norwegian Wall | 40% energy loss reduction |
Nanosilica | Concrete reinforcement against freezing | High cyclical durability | Canadian Bridges | 4 times more resistance |
Polyurethane + Montmorillonite | Anti-wind and sand erosion | Surface protection | Dubai Facade | 65% erosion rate reduction |
PNIPAM Hydrogel | Response to temperature and humidity | Passive temperature regulation | Swiss Office Facade | 35% HVAC energy reduction |
Biodegradable nanomaterials | Bio-compatible | Alternative to metallic nanoparticles | Under development | Reduced environmental risks |
Selected Nanomaterial | Specific Compatible Feature for Zagros | Functional Advantage in Mountainous Regions | Strengths in Mountainous Projects | Combinable with Local Materials? |
---|---|---|---|---|
Nano TiO2 | Self-cleaning, anti-fungal, resistant to high humidity | Reduced fungal growth in humid northern Zagros areas | Suitable for northern stone facades | Yes, limestone and gypsum |
Silicate Nano Aerogels | Ultra-light, excellent thermal insulation in thin layers | Ideal for semi-buried spaces and dome roofs | Combinable with local gypsum or oak wood | Yes, amenable to localization |
Nanosilica in Local Concrete | Increased concrete cohesion in severe cold | Crack control in freeze-thaw cycles | Suitable for base walls | Yes, traditional lime mortar |
Polyurethane Calcium Carbonate Nanocomposite | Resistant to western winds and dust erosion | Protects southern and western facades | Resistant to western Zagros winds | Partially with rubble stone |
PNIPAM Hydrogel | Reacts to variable humidity and temperature | Optimizes internal temperature in summer/winter | Ideal for permanent living spaces | Yes, compatible with internal coating |
Climatic Challenge in Zagros | Traditional Zagros Solution | Proposed Nano-Centric Solution | Possibility of Integrating Both Approaches? |
---|---|---|---|
Freezing on surfaces and material cracking | Sloping roof form, thick wall without modern concrete | Nanosilica in concrete, anti-freeze nanocoating, active drainage design | Yes, in form + concrete coating |
Seasonal humidity and fungal growth | Natural ventilation, adobe or stone wall | Nano TiO2 and antimicrobial coatings | Yes, traditional wall with nanocoating |
Summer heating | Deep iwan, small opening on the southern side | Nano aerogel + hydrogels responsive to light and temperature | Yes, indigenous iwan + nano-skin |
Wind erosion | Thick walls, rubble stone | PU nanocomposite for surface protection | Yes, local stone + resistant nanocoating |
Lack of direct radiation control | Wooden or adobe shading | Photocatalytic filters with UV Block capability | Yes, in traditional opening frames |
Performance Indicator | Traditional State (Similar projects in Baneh and Marivan) | Proposed Nano-Skin for You | Percentage Improvement Based on Experimental Data Estimation |
---|---|---|---|
Thermal Transmittance Coefficient (U) | 1.9 W/m²K | 0.2-0.3 W/m²K | 80% reduction in energy loss |
Cyclical Resistance to Freezing | 100-150 cycles | 450-600 cycles | Up to 4 times increase in resistance |
Energy Consumption for Winter Heating | High (kWh/m²) | Medium (100-120 kWh/m²) | Approximately 40% reduction during winter |
Useful Lifespan of Facade | Approximately 20 years | More than 40 years | Up to double increase in useful lifespan |
User Thermal Satisfaction (Field measurement) | Approximately 65% | More than 85% | Approximately 20% improvement |
Performance Indicator | Traditional Local Architecture (Baneh, Marivan) | Proposed Nano-Skin (Hybrid Model) | Estimated Percentage Improvement |
---|---|---|---|
Thermal Transmittance Coefficient (U-Value) | 1.9 W/m²K | 0.25 W/m²K | 87% reduction |
Resistance to Freeze-Thaw Cycles | 130 cycles | 5000 cycles | Approximately 4 times increase |
Winter Heating Energy Consumption | Average 220 kWh/m² | 115 kWh/m² | 48% saving |
Occupant Thermal Satisfaction (Questionnaire) | 62% | 86% | 24% improvement |
Evaluation Parameter | Traditional Wall Without Nanocoating | Traditional Wall With TiO2 Coating | Result and Author's Analysis |
---|---|---|---|
Microbial growth on surface in winter | High - moist fungal spots | Very low - clean and dry surface | 85% reduction in fungal growth in humid environment |
Discoloration due to UV radiation (4 months) | Significant (more than 7% color change) | Negligible (less than 3%) | Effective protection of surface color and materials |
Need for washing and maintenance | Monthly | Every 3 months | Reduced surface maintenance costs |
Physical durability against freezing | Slight surface cracks | No cracks during the season | Increased durability of traditional materials with nanocoating |
Economic Variable | Traditional Local System | Hybrid System with Nano-Skin | Difference and Author's Analysis |
---|---|---|---|
Initial skin construction cost | 100 (base traditional) | Approximately 128 | Initial increase with long-term justification |
Estimated useful lifespan of skin | 18-20 years | 40 years | More than 2 times increase in durability |
Ten-year maintenance cost | High - annual requirement | Medium - once every 3 years | More than 60% reduction in maintenance cost |
Return on Investment (ROI) | After 8 years | Within 4-5 years | Faster return with energy savings |
Design Phase | Action Description and Author's Goal Setting |
---|---|
1. Climatic Analysis of the Site | Extracting climatic data for Baneh, Marivan, Sardasht: temperature fluctuations, humidity, wind direction, freezing |
2. Selection of Suitable Nanomaterials | Nano TiO2 for humid walls, nanosilica for mortar reinforcement, aerogel for dome roofs |
3. Coexistence with Local Materials | Testing the combination of nano-coatings with rubble stone, local gypsum, and traditional adobe |
4. Climate-Responsive Form-finding | Preserving the forms of iwan, small openings, and sloping roofs with new parametric details |
5. Performance Simulation | Using ENVI-met, Revit, Ecotech for temperature, light, durability, and heat transfer analysis |
6. Pilot Implementation and Feedback | Monitoring thermal, biological, and aesthetic performance by local users over a full season |
HVAC | Heating, Ventilation, and Air Conditioning |
SRI | Solar Reflectance Index |
U-Value | Thermal Transmittance Coefficient |
TiO2 | Titanium Dioxide |
PU | Polyurethane |
PNIPAM | Poly(N-Isopropylacrylamide) |
ENVI-met | Environmental Meteorology Simulation Software |
GIS | Geographic Information System |
PCM | Phase Change Materials |
ROI | Return on Investment |
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APA Style
Ghiabi, M. M. (2025). Smart and Climate-Adaptive Facades in the Zagros: Nanoscale Architectural Approach for Iranian Mountainous Contexts. International Journal of Architecture, Arts and Applications, 11(3), 185-191. https://doi.org/10.11648/j.ijaaa.20251103.18
ACS Style
Ghiabi, M. M. Smart and Climate-Adaptive Facades in the Zagros: Nanoscale Architectural Approach for Iranian Mountainous Contexts. Int. J. Archit. Arts Appl. 2025, 11(3), 185-191. doi: 10.11648/j.ijaaa.20251103.18
@article{10.11648/j.ijaaa.20251103.18, author = {Mohammad Masoud Ghiabi}, title = {Smart and Climate-Adaptive Facades in the Zagros: Nanoscale Architectural Approach for Iranian Mountainous Contexts }, journal = {International Journal of Architecture, Arts and Applications}, volume = {11}, number = {3}, pages = {185-191}, doi = {10.11648/j.ijaaa.20251103.18}, url = {https://doi.org/10.11648/j.ijaaa.20251103.18}, eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ijaaa.20251103.18}, abstract = {Architecture in Iran’s mountainous regions—especially in the Zagros—has always been more than shelter; it has been a reflection of how humans listen to the land. Traditional builders, guided by experience and necessity, shaped homes that belonged to their environment: thick walls to hold the warmth, narrow openings to guard against the cold, roofs that followed the slope of the earth. These were not just design choices, but quiet agreements with nature, that harmony is fading. Standardized materials and globalized construction methods often ignore the wisdom embedded in local forms. Buildings are now more fragile, less efficient, and disconnected from both culture and climate. This research invites a new conversation—between the ancient and the advanced. It explores how nanotechnology can breathe new life into architectural skins in the Zagros, not just by improving insulation or durability, but by helping buildings feel again. Six innovative materials—ranging from photocatalytic coatings to bio-responsive membranes—are studied not only for their performance, but for their potential to restore meaning and connection in architecture. The results suggest a subtle but powerful shift: when modern science honors traditional sensibility, architecture becomes more than functional—it becomes alive. A building’s surface transforms into a kind of living skin, one that responds to light, temperature, and time, just as the old homes once did. This is not about replacing the past, but about extending it—with care, with intelligence, and with empathy. In this vision, nanotechnology is not a tool of erasure, but of remembering differently. It allows architecture to root itself once more in place, while still reaching toward the future.}, year = {2025} }
TY - JOUR T1 - Smart and Climate-Adaptive Facades in the Zagros: Nanoscale Architectural Approach for Iranian Mountainous Contexts AU - Mohammad Masoud Ghiabi Y1 - 2025/08/19 PY - 2025 N1 - https://doi.org/10.11648/j.ijaaa.20251103.18 DO - 10.11648/j.ijaaa.20251103.18 T2 - International Journal of Architecture, Arts and Applications JF - International Journal of Architecture, Arts and Applications JO - International Journal of Architecture, Arts and Applications SP - 185 EP - 191 PB - Science Publishing Group SN - 2472-1131 UR - https://doi.org/10.11648/j.ijaaa.20251103.18 AB - Architecture in Iran’s mountainous regions—especially in the Zagros—has always been more than shelter; it has been a reflection of how humans listen to the land. Traditional builders, guided by experience and necessity, shaped homes that belonged to their environment: thick walls to hold the warmth, narrow openings to guard against the cold, roofs that followed the slope of the earth. These were not just design choices, but quiet agreements with nature, that harmony is fading. Standardized materials and globalized construction methods often ignore the wisdom embedded in local forms. Buildings are now more fragile, less efficient, and disconnected from both culture and climate. This research invites a new conversation—between the ancient and the advanced. It explores how nanotechnology can breathe new life into architectural skins in the Zagros, not just by improving insulation or durability, but by helping buildings feel again. Six innovative materials—ranging from photocatalytic coatings to bio-responsive membranes—are studied not only for their performance, but for their potential to restore meaning and connection in architecture. The results suggest a subtle but powerful shift: when modern science honors traditional sensibility, architecture becomes more than functional—it becomes alive. A building’s surface transforms into a kind of living skin, one that responds to light, temperature, and time, just as the old homes once did. This is not about replacing the past, but about extending it—with care, with intelligence, and with empathy. In this vision, nanotechnology is not a tool of erasure, but of remembering differently. It allows architecture to root itself once more in place, while still reaching toward the future. VL - 11 IS - 3 ER -