<p>This Architectural Drawing is AutoCAD 2d drawing of Upper roof slope details in AutoCAD, dwg file. The range of most frequently utilised roof pitches is 4/12 to 9/12. Low-slope roofs are those with pitches less than 4/12, which have a minor inclination to them. Although they could be very slightly inclined, pitches of less than 2/12 are still regarded as flat roofs. For more detailsa nd information download the drawing file.</p>