Ever heard about Cob House? Let’s Get Inside!

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Creating a COB HOUSE is not rocket science and with a continuous practice and experience – anybody can do it. Now, when you plan to make a cob house the first thing that comes to your mind is – how to make cob, right? So, let us take a chance to tell you, cob is a mixture of 3 materials –

  1. Clay
  2. Sharp sand or crushed rock
  3. Straw

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The most difficult part is to learn how to identify clay soil, add a little straw and then to build test bricks to see what your strongest mixture is. Generally, cob is mixed by crushing the particles together by either dancing on it or using the head of a digger.

Friends! When you’re gathering information about cob house, it’s extremely important to understand its PROS and CONS.

Pros of cob house!

Cob Houses are Beautiful!

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Creating a cob house is a great art. Cob allows you to easily create curves, carve shelves and features into your walls. But, though cob houses don’t have to be curvy though, they can be made with right angles and straight walls for a modern touch.

Cob Houses enhances the beauty of windows and doors!

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Do you want to form your doorway with a door frame? Build the cob around it to secure. Now, you must be wondering that wet mud will destroy the wood? Nope, it will dry out and the wood will be fine. For windows, sink a 2×4 into the cob and build a window frame around it for an outstanding look.

Cob is the most Sustainable Form of Building!

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Well! The most important information about cob house is that they are entirely recyclable and non-polluting. The materials used for creating a cob house are usually excavated from your foundation trench – meaning there is no transportation of materials. The materials used in making cob are ‘eco-friendly’ as they contain zero embodied energy.

Cob Houses are Affordable!

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We bet cob walls cost you nothing! You just require some land and few hundred dollars to build on. A three bedroom cob home can cost as little as £20,000.

Cob Houses are Energy Efficient!

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Cob is made of ‘thermal mass’ material that absorbs sunlight and warms the building over the course of the day. This will help in keeping the inside of the building arm in the winter and cool in the summer.

Cons of cob house!

The Building Process is Slow!

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Yes, it takes up to 15 months to allow phases to dry. Moreover, after completion it can take several months for building to finish shrinking.

Few Builders are skilled in Repairing Cob! 

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This information about cob house means that a new cob house requires a large footprint than a ‘normal’ home. But, the problem is that only few builders are skilled or trained exceptionally well in using, constructing or repairing cob.

How Long Does Cob Last ?

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You might be surprised to know that the oldest cob house still standing is 10,000 years old. Cob houses stand forever because they are strong, durable, roof is well-maintained and the property is looked after properly. If you take a view of UK Cob houses, you’ll get to know that they last for hundreds for years by just incorporating a few basic design features that makes them suitable according to the climate.

How easy is it to build with Cob house ?

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As compared to other earth building techniques, it’s really easy to work with Cob houses – it is a lot more forgiving and less precise than working with bricks. Before starting, one must acquire all required information about cob house and learn to keep the walls exactly vertical, but if you find your wall is slightly out – shave off some cob with an old saw or add a bit more cob for a perfect finish. Fitting windows and doors is also quite easy.

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