Rooms
| Type | Room / wall | Length (m) | Width (m) | Height (m) | Doors | Windows | Ceiling | Boards |
|---|
Wall area deducts a standard door (1.5m²) and window (1.44m²) allowance per opening -
for non-standard openings, adjust the door/window counts to approximate the total area
to deduct. Can't describe the room as a simple rectangle - an L-shape or other irregular
layout? Add "Wall" rows instead of (or alongside) a "Room" row: each one is a single wall
face entered directly by its own length, so an irregular room can be built up wall by
wall. Wall rows have no ceiling of their own - add a separate Room row if the ceiling
also needs boarding.
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Area (m²)
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Boards
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Screws
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Compound bags
Board layout, to scale
A representative wall, boards laid in a running bond
Bill of materials
| Material | Quantity |
|---|
Board counts include a 10% wastage allowance for cuts and offcuts. Screw counts assume
standard wall/ceiling fixing centres; jointing compound assumes one coat over every board
joint and screw head. A rough ordering guide, not a fixing specification - always confirm
with your plasterboard supplier.
Board types, at a glance
| Board type | Size (mm) | Area per board (m²) |
|---|
Standard UK plasterboard sizes - actual sizes and thicknesses vary by manufacturer and
application (wall, ceiling, fire-rated, moisture-resistant). Always check the board
manufacturer's specification for the job.