Whether the ground floor of a house is suspended or filled, it will include either a solid slab or an oversite layer of concrete laid on compacted hardcore directly on the ground. Both hardcore and soil are potential sources of sulfates and other chemicals harmful to concrete. This programme investigates the hardcore components and soil conditions likely to contain sulfates, explains how concrete is affected by sulfate attack and looks at methods used to prevent such damage.
Wood-boring insects
Norway is set to break records for tall-timber construction with a new structure in a town just north of Oslo. Mjøstårnet will be more than 80 metres tall - 30 metres higher than what is today considered the world's tallest timber building.
Energy-wasting homes mean higher bills and climate-warming emissions. With UK homes some of the most expensive to heat in Europe, why did an ambitious plan to make all new homes 'zero carbon' fail?
The WWF have published their second Timber Scorecard charting company's publicly-available timber buying policies and performance during 2015-16, and progress since the initial study back in 2015.
Wood: done good. A beautifully-illustrated, breathtaking, thought-provoking love letter to one of the most enduring construction materials. Join William Hall for a tour of the world's best timber architecture.
Think of a skyscraper and you likely envisage a imposing monolithic structure made of steel and glass. Strong, sturdy, predictable. Dull? But a new wave of buildings are turning to a more traditional building material – timber – to deliver imaginative and eco-friendly projects, even at altitude.