| Title | लकड़ी का छत कैंची ट्रस (Timber Roof Trusses)Rare Lakadee kā chata kainchee ṭras Timber Roof Trusses |
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| Description | लकड़ी की छत ट्रस - Lakadee Kee Chhat Tras (Timber Roof Trusses) are structural frameworks, *kaashth chhata kainchee trasa* (काष्ठ छत कैंची ट्रस), utilizing timber for roof support in Indic architecture. Commonly employing Teak (*Tectona grandis*) and Sal (*Shorea robusta*), these trusses exhibit species-dependent densities (400-900 kg/m³) and bending strengths (50-100 MPa). Teak, favored for its durability, possesses a density of 600-750 kg/m³ and bending strength of 80-120 MPa. Traditional construction methods, documented in heritage sites across the Indian subcontinent, showcase the use of *daru* (दारु, wood) to span large distances, creating open spaces. Historical periods, including the Chera and Chola dynasties, extensively utilized timber from forests within the subcontinent. Conservation necessitates addressing moisture content (12-18%) and thermal conductivity (0.1-0.2 W/mK), mitigating decay. Restoration efforts often involve replacing deteriorated *wooden collars* [1] with sustainably sourced timber, maintaining structural integrity and preserving heritage value. |
| Also Known As | Timber Roof Trusses Lakadee kā chata kainchee ṭras Timber Roof Trusses Wooden Roof Trusses Wood Roof Trusses काष्ठ छत कैंची ट्रस लकड़ी का छत ढाँचा दारु छत कैंची ट्रस மர கூரை கத்தரிக்கோல் சட்டங்கள் (Tamil) చెక్క పైకప్పు కత్తెర ఫ్రేమ్లు (Telugu) ಮರದ ಛಾವಣಿ ಕತ್ತರಿ ಚೌಕಟ್ಟುಗಳು (Kannada) തടി മേൽക്കൂര കത്രിക ഫ്രെയിമുകൾ (Malayalam) |
| Tags | Timber Wood Truss Roof Preservation Structural Element |
| Material ID | INHFMAT-124791070-20-11-25-LK |
| URI | https://www.inheritage.foundation/aat/material/timber-roof-trusses |
| API Endpoint | https://www.inheritage.foundation/api/v1/aat/materials/timber-roof-trusses |
| Total Sites | 2 |
| Primary Sites | 1 |
| Created | November 20, 2025 |
| Last Updated | November 28, 2025 |
| Types | Wood Structural Timber Organic Material |
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| Regions | Kerala Himalayan Region Maharashtra Karnataka India |
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| Time Periods | Ancient Medieval Modern Traditional |
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| Dynasties | Chera Dynasty Chola Dynasty |
| Sources | Forests in Kerala Himalayan Forests Forests of the Western Ghats Forests of Central India |
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| Properties | Tensile strength: 40-100 MPa (depending on species) Density: 400-700 kg/m³ (depending on species) Moisture content: 12-18% Thermal conductivity: 0.1-0.2 W/mK Density: 600-750 kg/m³ (Teak) Bending strength: 80-120 MPa (Teak) Thermal conductivity: 0.17 W/mK (Teak) Density: 400-900 kg/m³ (species dependent) Bending strength: 50-100 MPa (species dependent) |
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| Uses | Roof Support Structural Framework Spanning Large Distances Creating Open Spaces Load Bearing |
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| Materials | Lime Mortar Brick Stone Iron Fasteners Roofing Tiles Wood Finish |
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| Styles | Kerala Architecture Vernacular Architecture Traditional Indian Architecture Colonial Architecture |
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| Categories | Temple Residential Building Temple roofs Community hall roofs Residential buildings Temples |
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| Notes |
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| Title | Type | Notes |
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| Forest Research Institute (FRI) publications | Research Paper | Timber properties and preservation |
| Site Name | Status | Usage | Confidence |
|---|---|---|---|
| Shree Swaminarayan Mandir Cardiff | Primary | Roof | 100% |
| Shree Hindu Temple & Community Centre Leicester | Secondary | Roof | 100% |