The instructions manual came with the floor says nail down.
On the box it says lengths 400 mm - 1800 mm. But the actual lengths are between 600mm and 1300 mm. In each box (2 sq m)there is only one peice of 1300 mm, one 90 mm, about 3 x 600 mm and most the the boards are 700 and 800 mm. We...