5 Best Of How To Build A Sloping Flat Roof Truss Best Wallpaper JPG. A mono truss is a one-sloped truss that forms a right angle triangle. Suppose the base of the actual roof is measured to be 40 feet.
Span The overall distance between adjacent interior supports or to the outside of supports when at the end of a truss. With limited slope to drain well it can take forever to be rid of any leakage moisture. When used as a flat roof system.
Roofs with a slope of 1 to 3 inches of fall to 12 inches of run should use rolled roofing.
Difference in slope between the top and bottom chords is at least 312 or the bottom chord pitch is no more than half the top chord pitch. EPDM wont last as long as metal but theres a reason its the most common roofing for very low slope roofs. When used as a flat roof system. Some roofers replace old roof.