01 - Traditional Techniques (Free)
02 - Ageless Village (Free)
03 - Thannal Projects (Free)
04 - Owner's Build (Free)
05 - Professionals in Natural Building (Free)

1- Part 1: Essential Materials of Natural Building

1.1 - Introduction to Natural Building (Free)
- What is Natural Building? Evolution of Shelters, Age-Old Structures, Traditional Shelter Making System, Ancient Text Knowledge, Role of Thannal Changes, Impact & Awareness

1.2 - Mud
- Jagrat, What is soil? Ancient Text Knowledge, Traditional Mud homes, Exercise-1: Study of Local methods and materials, Components of soil, Where to source mud from? How to procure soil? Introduction to mud tests, Feeling with hands, Cigar Test, Ball drop test, Biscuit Test, Bottle Test, Sampling, Exercise 4, How has Thannal used mud? Conclusion, Jagrat

1.3 - Bamboo
- What is bamboo? Ancient Text Knowledge, Traditional Buildings, Types of Bamboo, Why use bamboo? Guidelines for choosing bamboo, How to procure bamboo? Harvesting, Guidelines for harvesting Guidelines for buying from Market, Importance of treatment, Preparation before treatment, Immersing in water, Smoking Bamboo, Baking Bamboo, Dipping in borax and boric, Choose a suitable treatment, Preservation techniques, Uses of Bamboo, Golden Tips, Conclusion, Jagrat

1.4 - Lime
- Jagrat, What is Lime? Ancient Text Knowledge, Traditional Homes, Exercise 1 - Local study, Lime Cycle, Burning in Kiln, Exercise 2 - Visit a lime kiln, Slaking, Exercise 3 - Slaking Lime, Classes in Lime, Visual Examination, Field Test, Ball Test, Excess of Lime, Thannal Use Lime, Village story about Lime, Jagrat

1.5 - Surkhi
- What is Surkhi? Ancient Text Knowledge, Traditional Building, Study of local Brick Kiln, Sources of Surkhi, How to make Surkhi? What is Pozzolanic material? What happens when pozzolanic material is added? 1. How to make the mix with Surkhi? Effect of grinding, Know the Benefits, Check for Surkhi, How to test the quality of Surkhi Tamil, Uses of Surkhi, Limitation in using surkhi, Conclusion, Jagrat

1.6 - Admixtures
- 1. Introduction, What is present in these admixtures? Ancient Text Knowledge, Why use admixtures? Kaddukai & Jaggery, Neem & Turmeric, Cow DungCow Urine, Fibres, Varaal Fish, Conclusion, Jagrat

1.1 - 1.6 > Package 

2 - Part 2: Roofing Techniques

2.1 - Introduction to Roofing Techniques
- What is Roof? The functions of roof and the importance of roof? The importance of roof in design before walls and foundation, The different parts of the roof - Structure and covering material, Impact of choice of roof upon the building, The effect of climate upon roof, Different types of roofs in different regions in India, Possibility of making the roof before the walls, Category of roof- Slope/pitched Roof & Flat Roof, Weight of different types of roof, Category of roof depending on the weight, Connection between roof and wall using wall plate The slope of the roof - definition and function, Different factors which determine the slope of the roof, Different category of roof depending on the slope of the roof, Effect of wind pressure upon the roof, Types of covering material for sloping roof - Mangalore Tile, Country tile, Wooden Shingles, Thatch Roof - Different types and their life span, Different Types of stone roof and their structure - Using Slate and Kadappa, What are flat roofs - Open Terrace roofs & Intermediate roofs, Different type of Flat roofs - Flat Mud roof, Adobe rood, Limecrete roof Hourdi Roof, Madras terrace roof

2.2 - Flat Mud Roof
- Introduction to Flat Mud Roof, What is a flat mud roof? Thanal’s Journey, Experimentations, Akhila Surenderan’s Home, Kalari Flat Mud roof, Materials Required, Tools Used, Walls - Type of walls, Structure design for a flat mud roof Wall Plate - Definition, types, Beams - How can bamboo be used, design, other materials, Raftes- Functions, design, alternate method with only rafters, Holding Surface - Purpose, materials used, alternate method, Shuttering - Function and materials used, Vapour Barrier - Purpose, Types of leaves and other materials, Mud Mix - Mix ratio of mud lime and plant admixtures, methods of mixing and fermentation, Filling the mud mix upon the roof, Adding dry mix layer, Prototype and testing, Conclusion, Finishes

2.3 - Madras Terrace Roof

- How does the roof work? Thannal’s Journey, Recent Revivals, What are the materials required? What are the tools needed? Type of walls upon which this roof can be built, Structure - Three types, Wall Plate- Function and material options, Structure - Case 1 - Without Beams, Only Rafters, Structure - Case 2 - With Beams and Wooden rafters, Structure - Case 3 - With Stone columns and Wooden Beam, Masonry work with burnt bricks and lime mortar, Preparation for roofing, Making lime mortar for terrace bricks, Making the special kaddukai jaggery mix, Preparing the Terrace bricks, Laying the Terrace Bricks, First layer and second layer in detail, Making of the brick enclosure/parapet wall, How to do the Limecrete layer? How to level the surface according to the flow of water? Different mixes for limecrete, Beating of lime, Curing of limecrete layer, Finishes

2.4 - Limecrete Roof

- Limecrete roof as an exposed roof and an intermediate roof, Traditional practices, Context of Limecrete at Thannal, Materials in use, Terminologies, Preparatory Works, Types of structure which can support Limecrete roof, Making the beams and laying them, Rafters placement and joineries, Holding membrane - material options, How to to make opening in roof, Shuttering with Wood, Ingredients for preparing the mix, Preparation of special admixtures, Preparation of limecrete Mix, Laying the limecrete roof, Fixing glass in the opening, Beating of lime, FInishes

2.5 - Khiru Roof

- What is A Khiru roof and its origin? Thannal’s Journey, What are the materials required? What are the tools needed? What type of walls can withstand Khiru roof? Structure of the roof, Changing the existing structure to suit it, Framework type of structure, Roof layers using branches, leaves and straw, Layer 4: With Mud, lime and brickbats, Layer 5: With Mud and Lime layer, Conclusion, Finishes

2.6 - Adobe Roof

- Introduction, Thannal’s Journey, How to Build the structure? Similarities in flat mud roof and adobe roof, Different types of holding surface, Use of leaves as vapour barriers, Placing of adobe bricks, How to place the glass on roof? Conclusion, FInishes

2.7 - Pot Tile Roof / Country tile roof

- Introduction, What materials are needed? What are the tools required? Types of Terracotta tiles and how to identify them, Quantity of tiles required to build a roof, Bamboo Structure design, Building wall plates using special joints, Placing the ridge to get the required slope of the roof, Learn how to make rafters, Build connecting beams and their intricate joints, How to fix reapers and sizes of reapers? How to do a cured designer roof? Undulations and Corrections, How to build bracing for the roof extension? Design of the additional supports, Fixing using interesting bamboo joints, Placing them within walls, Fixing using stone slabs and lime mortar, Laying the terracotta tiles, Placing of base tiles, How to check the levels, Testing of placement, Placing the ridge tile, Conclusion

2.8 - Sandwich Roof using Terracotta Tile

- Introduction, The story behind the sandwich roof, Transformation of the existing structure, Holding surface, Laying the Rafters, Vapour Barrier using Leaves Thermal barrier using Lime, Battens or Reapers, Tiles, Skylight and Conclusion

2.1 - 2.8 > Package

3 - Part 3: Natural Wall Systems and Foundations

3.1 - Foundation, Plinth and Plinth Beam

- Foundation, What is a Foundation? Historical Examples, Types of Foundation, Types of Structure, Distribution of Load, What Materials can we use for Foundation? Planning the Foundation, Buttresses, How diverse can the foundation go? Choosing your site for building, How to do a Test Pit? Marking for foundation, 3-4-5 Method of Marking, Marking for Curved Structures, Digging, Laying the foundation for Load Bearing Walls, Plinth/Stem Wall, How high can the plinth be? How wide can the plinth be? Capillary Action, How to make the plinth? Plinth Filling, Plinth Beam, Foundation for Framed Structure, French Drain, Damp Proof Course, Plinth Protection, Masonry and Mortar for Foundation and Plinth, Termite treatment, Conclusion

3.2 - Introduction to Wall Systems

- What is a Wall? Types of Structure, Natural Building Glossary, Classification of Wall Techniques based on materials Mud, Wet mixes, Dry Mixes, Stone

3.3 - Different methods of Making mud Walls

- Wet mixes in Wall Systems: Prologue, What is a wet mix? Raw materials and their properties and percentage, Mud, Lime, Fibres, Admixtures, Sampling and Testing, For cob wall, For Adobe bricks, For Wattle and Daub Wall, Mix Preparation - Step by Step Process, How to check mix consistency for different wall techniques? For Cob Wall, For Adobe Wall, For Wattle and Daub Wall, Different ways to mix, Importance of fermentation of Wet mud mix, Summary
- Cob: Prologue, What is Cob? Why build with cob? Examples by our Ancestors, Present-day Examples, Small and Round, How to start with cob? Making the wall, How to leave cob to sleep at night? How to start with cob next day? Drying and how to control it, Levelling and keeping cob in line, What is the maximum height that can be achieved in a day? Tapering Walls, Crafty things to do in cob, Quantity Required, Conclusion
- Wattle and Daub: Introduction, History, Structural systems, Different types of weaving material, Think Futuristic with Nature, Placing of Columns, Weaving, How to weave the wall in a curve? How to insert bottle, glass, air gaps, and openings between the wattle wall? Mix consistency, Daubing, Sculpting on the Wall, Conclusion
- Adobe: Introduction, What is Adobe? History of Adobe, Recent Revivals, Mould and Sizes, Making of Adobe bricks, Build the Adobe Wall, Drying of the Wall, Conclusion
- Dry Mixes: Prologue, Understanding dry mixtures in mud, Materials Needed, How to prepare a dry mix of soil for construction? How to check the water consistency of the mix? Conclusion
- Earthbag: What is Earthbag? Historical Significance, Recent Revivals, Why Earth Bag construction? Preparing Earthbags: A Step-by-Step Guide, How to make bamboo pegs for earthbag wall construction, Steps to prepare the mix for the earthbag, Steps to make the earthbag after the mix is ready, Steps for Making and Testing Earthbag Samples, Making the Earthbag Wall, How to make a buttress wall? Quantity, How to prepare for plastering? Conclusion
- CSEB: Introduction, History and Evolution of CSEB, Advantages of using Compressed Stabilised Mud Blocks (CSMB), Structural System, What are the raw materials required for making CSMB? Mix consistency, Making the blocks, Sampling and Testing, Building the wall, Plastering the wall, Conclusion
- Openings: Openings, In Olden Days, Sill and Sill Beam, Lintel and Lintel Beam, Placing windows and doors, Conclusion
- Masonry and Mixes: What is Masonry? Types of Masonry Bonds, Random Rubble Masonry, How to lay the Masonry for foundation? Thumb Rules for Rate Analysis of RR Masonry Works, Dry Rubble Masonry, Know about brick, Stretcher Bond, Header bond, English Bond, Flemish Bond, Rat Trap Bond, Advantages of Rat Trap Bond, How Rat Trap Bond Works? Choosing the brick size, Mortar Mixes for Masonry Units, Mud Mortar, Mud & Lime Mortar Mix, Lime Sand Mortar, Lime, Sand Pozzolanic Mortar, Lime Pozzolanic Mortar, Fermentation, Grinding and Curing, Sampling and Testing of Mortars, Limecrete Mix for Plinth Beam and Sill Beam, Conclusion

3.1 - 3.3 > Package

4 - Part 4: Natural Finishes 

4.1 - Introduction to Natural Finishes - Plasters and Flooring

Introduction to Natural Finishes, Prologue, What is a Plaster?, History of Plasters, Ancient Textual, References and Their Contributions, Natural Polymers/Plants and Animal Derivatives, Colours in Plasters, Health and Environmental Concerns with Modern Building Materials, Journey of Thannal

4.2 - Thannal's Natural Plasters and Layers
Preparation for Plastering, Wall Systems, Materials, Tools, Mixing Tools & Machinery, Types of Plasters & Layers, Material Preparation, Plaster Sampling and Testing, Scratch Coat/ Base Coat Plaste, Wall Preparation, Applications Techniques, Surface finishes, Plastering Small Areas and Openings, Curing Lime Plasters, Mud Plasters - Bharatiya Cowdung Earthen Plaster, Ayurvedic Charcoal-Turmeric Cowdung Plaster, Mud and Lime Plasters - Egg-Enriched Beige Mud & Lime Plaster, Orange Hue & Husk-Infused Lime Mud Plaster, Mud Lime and Pozzolanic Plasters, Lime Blended Ash & Natural Mud Plaster, Pozzolanic Lime Fusion & Mud Hue Plaster, Lime Pozzolanic Plasters, Traditional Surkhi-Sand & Lime Heritage Plaster, Possibilities and Alternatives, Quantity of Plaster required, Troubleshooting in Plastering, Conclusion

4.3 - Lime washes and Clay paints/plasters
Red Chocolate Clay Plaster, Nature's Palette Lime Washes

4.4 Cowdung, Mud Plasters

4.5 - Mud and Lime Plasters

4.6 - Pozzolanic Plasters

4.7 - Introduction to Contemporary Mural Art with Natural Colors (Bonus Content)

4.8 - Natural Flooring (Upcoming)

4.1- 4.8 Package