Question 1

What is कांच वातायन (Glass Skylight)?

Accepted Answer

Kān̄ca Skā'īlā'īṭa (Glass Skylights), or *śīśe kā rośanadāna* in Hindi, are architectural elements for natural lighting. Modern applications extend traditional *jharokha* concepts. The primary material, glass, is derived from silica sand (*bālusikā*) sourced from riverbeds across the Indian subcontinent. Its chemical composition is predominantly SiO2, with additives influencing color and properties. Density ranges from 2.4-2.8 g/cm³ [1]. Tensile strength varies (40-70 MPa) based on processing (tempering, lamination). Thermal conductivity is 0.8-1.0 W/mK.

While not prevalent in ancient Indic architecture, glass, known as *kāca* in Sanskrit, was utilized in decorative elements. Modern skylights address energy efficiency through controlled light transmittance (80-90%). Conservation involves addressing weathering, cracking, and ensuring structural integrity. Restoration requires compatible glass types and adherence to heritage guidelines. Future research should focus on bio-based glass alternatives for sustainable construction.

Question 2

What type of material is कांच वातायन (Glass Skylight)?

Accepted Answer

कांच वातायन (Glass Skylight) is classified as Glass, Glazing. Key properties include Tensile Strength: 40-70 MPa (depending on type), Density: 2.4-2.8 g/cm³, Thermal Conductivity: 0.8-1.0 W/mK.

Question 3

Where is कांच वातायन (Glass Skylight) used?

Accepted Answer

कांच वातायन (Glass Skylight) is commonly used in India. It is sourced from Glass Manufacturing Plants.

Question 4

How is कांच वातायन (Glass Skylight) used in heritage architecture?

Accepted Answer

कांच वातायन (Glass Skylight) is used for Natural Lighting, Architectural Feature, Daylighting in heritage architecture. It is found in 1 heritage sites.

Question 5

What are the conservation considerations for कांच वातायन (Glass Skylight)?

Accepted Answer

Conservation of कांच वातायन (Glass Skylight) requires attention to Susceptible to cracking from impact or thermal stress and Requires periodic cleaning. Proper maintenance is essential for preserving heritage structures using this material.

Title	कांच वातायन (Glass Skylight) 4.5/5(Based on 1 heritage site) Rare Kāñca vātāyana Glass Skylight 4.5/5(Based on 1 heritage site)
Description	Kān̄ca Skā'īlā'īṭa (Glass Skylights), or śīśe kā rośanadāna in Hindi, are architectural elements for natural lighting. Modern applications extend traditional jharokha concepts. The primary material, glass, is derived from silica sand (bālusikā) sourced from riverbeds across the Indian subcontinent. Its chemical composition is predominantly SiO2, with additives influencing color and properties. Density ranges from 2.4-2.8 g/cm³ [1]. Tensile strength varies (40-70 MPa) based on processing (tempering, lamination). Thermal conductivity is 0.8-1.0 W/mK. While not prevalent in ancient Indic architecture, glass, known as kāca in Sanskrit, was utilized in decorative elements. Modern skylights address energy efficiency through controlled light transmittance (80-90%). Conservation involves addressing weathering, cracking, and ensuring structural integrity. Restoration requires compatible glass types and adherence to heritage guidelines. Future research should focus on bio-based glass alternatives for sustainable construction.
Also Known As	Glass Skylight Kāñca vātāyana Glass Skylight Skylight Roof Window शीशे का रोशनदान कांच का झरोखा आकाशदीप तमिल: கண்ணாடி மேல் ஒளிக்கூண்டு तेलुगु: గాజు స్కైలైట్ कन्नड़: ಗಾಜಿನ ಸ್ಕೈಲೈಟ್
Tags	Glass Skylight Roof Window Natural Light Modern Architecture
Material ID	`INHFMAT-658107131-20-11-25-KY`
URI	https://www.inheritage.foundation/aat/material/glass-skylights
API Endpoint	`https://inheritage.foundation/api/v1/aat/materials/glass-skylights`
Total Sites	1
Primary Sites	1
Created	November 20, 2025
Last Updated	November 28, 2025

कांच वातायन (Glass Skylight)

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