Measure The Slope Of A Roof

We here describe 2 methods of doing this.

Measure the slope of a roof.

A carpenter s square l shaped is probably the simplest tool to measure roof slope which is also referred to as the roof s pitch. Roof slopes are always some ratio to 12 so find the nearest ratio to 12. How to measure the slope of a roof. Hold the square against the sloping roofline with the short arm pointing downward and the horizontal long arm pointing to the opposite side of the roof.

Access one of the rafters then take the measurement this way. When making swift boxes to fit neatly under sloping eaves or a triangle in the apex of a gable it is necessary to determine accurately the slope of the roof. The most precise way to find the roof s slope is by measuring it from the underside. Measure from the top of the level at the 12 inch mark up to where the tape measure touches the soffit again.