Plastering Calculator
Calculate bonding coat, multi-finish plaster, scrim tape and accessories for your plastering project.
How to use this calculator
1. Choose surface type
Select the background surface: plasterboard, brick/block, concrete, or existing plaster. This determines which products you need.
2. Enter wall dimensions
Measure the total height and width of walls to be plastered in metres.
3. Deduct openings
Enter number of windows and doors to subtract from total area.
4. Calculate materials
Click Calculate to see plaster, bonding coat, tape and accessories needed.