Source google image: http://travaux-expert.com/wp-content/uploads/cache/2014/12/Balcon-terrasse-poteaux-escalier-beton-bande-de-pose-veranda-saint-lo-mars-2012/1723697690.jpg
Veranda ossature beton
Source google image: http://travaux-expert.com/wp-content/uploads/cache/2014/12/Balcon-terrasse-poteaux-escalier-beton-bande-de-pose-veranda-saint-lo-mars-2012/1723697690.jpg