• Description	m²/pièce	kg/m²
  		0
  	2	24
  acier corten 2500x1250x2 mm	3.125	16
  acier corten 3000x1500x2 mm	4.5	16
  acier corten 2500x1250x3 mm	3.125	24
  acier corten 2500x1250x3 mm	4.5	24
  acier corten 3000x1500x4 mm	4.5	32