GUIDES
Walls
Paint, wallpaper, tiling and openings.
Walls · Guides
How much paint do you need for a room?
Measure wall area, subtract openings when appropriate, and estimate coats, paint coverage and an allowance with a worked example.
Read guide ↗Walls · GuidesHow many wallpaper rolls do you need?
Calculate full strips per roll, allowances and pattern repeats rather than relying on wall area alone.
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