Calculate how many planks or boards, and boxes, you need to cover a room, with wastage included.
Add more extra for diagonal or patterned layouts. Buy all from one batch so colours match.
About 8–10% for cuts and the odd damaged plank.
Laminate and vinyl planks are often around 15–20 cm wide and 120–125 cm long; enter your own.
Usually yes; its area equals the floor area.
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