Arguments - II:

• Plastic PVC-covered - 1,2 mm thickness - concrete wall

• UV-protected (theoretical span of life inside of 1000 years)

• No corrosion – no painting falling off

• Easy to repair if hit

• Grafitti easy to remove

• Different insulation thicknesses possible

• Low transport cost: « Knock down »

• Economical to build with by using local labour and concrete