How To Build A Mono Pitch Roof Truss

Pitch slope the pitch or slope is the incline of the roof expressed as a fraction describing the rise over the run.

How to build a mono pitch roof truss. The standard roof truss spacing is 2. Then plan for the bottom chord of the truss to be 1 4 inch longer than the floor of the structure. A mono truss is a one sloped truss that forms a right angle triangle. Types of mono trusses 1.

Difference in slope between the top and bottom chords is at least 3 12 or the bottom chord pitch is no more than half the top chord pitch. This online truss calculator will determine the all in cost of your truss based on key inputs related to the pitch width and overhang of your roof. It s often used for sheds garages or extension of an existing roof. Get on a ladder with a tape measure speed square and marker.

The rise will be the elevation change over the 12 inches. In such a house although the main roofing comes with a flat ceiling the mono pitched part of the roofing would have a slant. Roof pitch refers to the amount of rise a roof has compared to the horizontal measurement of the roof called the run. Measure 1 1 2 inches in from one side and draw a line with the speed square to mark the location for the first mono truss.

A mono truss roof allows for more sunlight and visual space proper drainage and relatively cheaper. One needs to place the mono pitch roof at a height which is lower than that of the height of the ceiling of the main construction. Flat the most economical flat truss for a roof is provided when the depth of the truss in inches is approximately equal to 7 of the span in inches. The run or the base number is 12 inches.

This sort of mono pitch construction is known as lean to roof. The steeper the roof the more expensive the trusses get because the longer the boards get and the more roof area increases. You will also incur additional costs because it is much harder to deck and shingle a roof that is 12 12 pitch versus a 4 12 roof. Measure 23 1 4 inches in and draw another line for the outside of the second truss.

Mark truss locations on the front and back wall caps of the structure. This is the distance between trusses. To see how pitch impacts the look of a garage and changes cost click the design center button on our pole barn kits page.