Flat Roof Slates

Flat roof slates are designed to be an attractive and durable flashing. To weather a pipe through a flat roof to ensure watertight integrity. They can be used for flues and soil stacks, on tiled, asphaltic, felt and slate roofs.

The diameters listed are the internal dimensions of the up stand pipe.

They are made in Cornwall, Great Britain from 100% recycled Code 4 sheet lead. Milled to British Standard BS EN 12588

If you cannot find the size you require please contact us as we can quickly fabricate bespoke sizes.

LEADWORX TOOLS

Roof pitch calculator

Calculate from measurements, or estimate the angle from a photograph.

Rise & run

Measure the vertical rise and horizontal run between the same two points.

Horizontal run Rise Roof slope Pitch

Use the same unit for both, such as mm or cm. Run is not the sloping roof length or automatically the full building width.

Enter your measurements to begin.

Calculated roof pitch—degrees from horizontal
Other pitch formats

Enter measurements first.

These formats describe the same slope; they are not product size recommendations.