how to measure for stair runner
Stair Runs. 1. Measure one riser and one tread to give the length needed for each step (see A.). 2. Count the number of steps (on average this will be 13 risers and 12 treads). 3. Multiply the number of steps by the length per step, and then add the height of the top riser.4. Add an extra 50cm per flight to allow for adjustment. Check that all treads and risers on your stairs have the same measurements. If not, you will need to measure each step individually and add the measurements together.. Measure one riser and one tread to give the length needed for each step (see A.). 2. Count the number of steps (on average this will be 13 risers and 12 treads). 3. Multiply the number of steps by the length per step, and then add the height of the top riser.