Accordingly, it performs additional functions, such as being a “power plant”, providing “energy storage”, or comprising a “communications point” in the urban context.
• The building envelope is the central element of the energy exchange between inside and outside. It controls inflowing and outflowing energy streams and the circulation of material. Using smart materials and smart technologies, building envelopes can actively regulate energy and material flows.
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Arguments for rough sawn siding, external cladding:
- Less expensive, because all the dressing procedure falls away - Less use of wood - Optical reasons and tastes. - The right time of harvesting
- Natural drying and proper storage - Using constructive ways of working with wood - Making sure the wood stays dry One opinion is that rough sawn wood is more favourable for insects to lay egs on, compared to dressed wood.
Adequate protection from insects is mainly achieved by: - The right choice of wood type and mature tree Arguments for a dressed surface:
- Water runs off better when the surface is smooth and Wood dries faster. - The area where hands come into contact with wood (external cladding on ground level, balconies) is safer when dressed because there is no splintering. - In case it will be painted, dressed wood needs less paint. - Optical reasons and taste. Rough Sawn or Dressed?
This question often comes up in the context of UV protection and weathering: "Should wooden surfaces outdoors be dressed or stay rough sawn?" If you cannot see yourself happy with natural colouration caused by the sun and you still want to paint it, avoid using paints which harm you and the environment. There are quality natural paints available and you recognize trustworthy natural paint manufacturers by their willingness to provide a listing with all the paint ingredients.
Before you consider painting, ask yourself this question: "Did I consider the overall costs for work, material and the continuous upkeep?" When building properly and omitting construction mistakes, you will save all these costs. However, buildings which have been designed and built poorly cannot be maintained for long with or without more paint.
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