DPC & Lintel Calculator
Estimate damp-proof course and a practical lintel size allowance for walls and openings.
DPC and lintel estimate for a 4m wall with a 0.9m opening
For a wall length of 4 metres with a 0.9 metre opening, this estimate includes damp proof course and lintel allowance using the default bearing below.
- DPC required4.40 lm
- 30m DPC rolls1
- Recommended lintel length1.20 m
- Padstones2
Results - DPC & Lintel Calculator
- DPC required4.40 lm
- 30m DPC rolls1
- Recommended lintel length1.20 m
- Padstones2
How this DPC and lintel calculator works
It estimates DPC requirement across the wall length and adds standard end bearings to recommend a practical lintel length for the opening.
Popular sizes
Popular pre-filled calculator pages.
Pre-filled calculator pages help visitors jump straight to a useful estimate and then refine the result if needed.