Creation of openings on non-load-bearing masonry, in autoclaved aerated concrete, with DOP performance declaration and CE marking in compliance with UNI EN 845-2, 25 cm high, 10-12.5-15-20 cm thickness and 125 length -150-160-200-220-250- 300 cm.
The lintels must rest laterally for a minimum of 1/8 of the length.
4.8 
