How To Measure Roof Trusses

Widely known for producing a quality product for over 20 years barlow truss provide any type of wooden roof truss you need.

How to measure roof trusses.

Hammer a nail in place to hook your measuring tape and space out the subsequent trusses every 2 feet or other designated spacing. Before you start cutting you first need to determine how long your roof rafters need to be and the angles at which you ll cut the top and bottom of the rafter. Starting at one end of the roof mark the first truss flush with the outside edge of a cap plate. Already having the rise will make it easy to determine the rafter length by loading the numbers into the equation chart.

Set two ladders at each end of the area to be measured. For example a roof with a span of 20 ft and a rise of 7 feet needs rafters that are the square root of 400 49 21 2 feet. Equation a2 b2 c2. Trusses can be constructed with smaller sized lumber than rafters and often their cost is not significantly higher than normal rafters.

Divide the length of the roof by two to determine how many trusses are needed. Trusses are generally secured 24. Is a family owned and operated designer and manufacturer of wooden roof trusses in north central idaho. Pull a tape measure along the top plate of the house to determine the length of.

8 inches and you have an 8 in 12 pitch. Pitch measurement method 1. Use of manufactured roof trusses can dramatically cut labor costs when framing a gable roof compared to building rafters. Measure out 5 to 6 trusses at a time.

Use a tape measure to measure the entire width of your building. If this distance measures 4 inches you have a 4 in 12 pitch. Measure as precisely as possible down to the 1 4 inch 0 64 cm 1 8 inch 0 32 cm or 1 16 inch 0 16 cm. The truss calculator will determine your roof trusses based on key inputs related to the pitch span and overhang of your 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. C rafter length. Use a level square and measuring tape.