Wallpaper for a 12×20 Room
A 12×20 room with 8 ft walls is about 512 sq ft — roughly 11 double rolls once you allow 15% for pattern matching. Subtract big windows and doors below.
Wallpaper rolls
11 rolls
Wall area
512 sq ft12×20 room, 8 ft walls (gross)
Double rolls
11 rolls~56 usable sq ft each, +15% pattern repeat
Cost (est.)
$385~$35/double roll
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