Next you will need to use a roofing materials calculator.
How to measure roof height.
Foundation if any above grade height of rafter or top chord of truss height of roofing materials including plywood shingles and ridge vent.
However in order to figure out exact height of the building you will need to add the following additional compoments to a given result.
Find the length and width of the building s exterior walls.
Pitch measurement method 2 2.
Easiest way is to count the courses of brickwork if you can.
Inspect your blueprints or check with your home builder to learn its pitch.
If the height of the eave varies along the wall the average height shall be used.
If you do not have access to this.
Measure the width of.
Visually aama tir a15 14 illustrates the mean roof height as per the image below where h on the sloped roof is ridge height eave height 2.
Then measure 10 courses at a lower level and divide it by 10 to give you the height of 1 course.
To determine the y height measure from the bird s mouth up the calculated slope x in 12 to the top of the rafter.
If this distance measures 4 inches you have a 4 in 12 pitch.
If this isn t practical then perform the same measurement on the underside of the roof.
Simply input the surface area of the roof choose from one of the available options and you will get your first roofing estimate.
Calculate the pitch of the roof.
On a ladder beside the roof place the level a foot or so up the roof hold it level and measure from the 12 inch mark on the level s bottom straight down to the roof.
The pitch is the steepness of the roof.
How to measure roof height step 1.
Eave height is the distance from the ground surface adjacent to the building to the roof eave line at a particular wall.
This measurement is best done on a bare roof because curled up roofing shingles will impair your measurement.
We included a roof pitch chart below the 7 12 example image and the calculator below that.
Work it from that adding on the height.
Use a pitch.
Check that your footage measurements are within this range so you can start off on the right foot.
Stretch your tape measure along the walls from end to end.
Measuring your roof from the ground 1.
To determine the finished height of the ridge beam add the rise m and the y height.
Roof pitch calculator results explained.
The top of the ridge beam m y.
Mark a 12 inch span on.