What you need to know
- Calculate the perimeter and subtract door openings where no skirting will be fitted.
- Add waste for mitres, corners and unusable offcuts.
- Round up to complete lengths.
Use your own measurements
BricoDato tools help turn the guide into quantities, kWh, cost or a project plan.
Start with the perimeter
For a rectangle, perimeter is 2 × (length + width). For irregular rooms, measure each wall section separately.
Subtract only real gaps
Doorways normally remove a length of skirting, but built-in furniture or radiators do not always do so. Measure the actual installation line.
Corners create waste
Mitred corners and joint positions mean an offcut of the correct length may still be unusable. Allow more waste in rooms with many corners.
Remember accessories
Adhesive, clips, corner pieces, end caps and transition profiles can add cost and should be planned separately.
Final check
Before buying material or doing the work, review the assumptions and technical limits that matter for your specific product, room or installation.
- Measure each wall run.
- Subtract door openings correctly.
- Allow waste for corners and joints.
- Confirm piece length before ordering.
Keep a small job sheet
Record the measurements, product reference, technical values you used, date and final result. For maintenance or diagnostics, also note the conditions at the time. A short written record makes future comparisons much more reliable.
Turn the guide into a decision
Use your measurements and the manufacturer’s technical data. If the decision affects fixed electrical work, structure, hidden leaks, refrigerant systems or another safety-critical installation, consult a qualified professional.