4 12 pitch figure 20 6 in determining the roof slope the angle is expressed as a comparison of equal units.
How to show roof slope on drawing.
177 until it intersects the hip line of the main roof g and then drawing the valley line f.
Nov 28 2016 drawings of a variety of roof designs.
Set ceiling heights on outside walls after you have drawn your outside walls before you start drawing your inside walls.
For example for a 5 12 roof slope and a distance of 13 feet the height for the peak of the roof above the current floor would be.
All your wall corners must join at exactly 90 degrees.
We proceed in the same way as explained for the wings a a drawing the ridge line e in fig.
Then calculate distance to peak x roof slope where roof slope is the rise run.
This measurement is best done on a bare roof because curled up roofing shingles will impair your measurement.
Make a note concerning the run off that will occur with these slopes and ravines.
Top tips drawing sloped ceilings.
The picture below shows the pitch of a 7 12 roof slope meaning that for 12 of horizontal measurement roof run the vertical measurement roof rise is 7.
12 feet x 5 12 5 feet.
Draw in all the various intersections that are a result of the various roof pitches coming together.
Common angles for drawing roof pitches roof pitch angle 1 12 4 30 2 12 9 30 3 12 15 0 4 12 18 30 5 12 22 30 6 12 26 30.
See more ideas about roof design roof roofing.
Mark a tick on the floor surface to indicate the spot above which will lie the roof peak.
Units may be inches feet meters etc as long as the horizontal and vertical units are of equal length.