Skillion Roof Truss Span
The span should not be confused with the overall width of the truss which includes the overhangs.
Skillion roof truss span. Select and re calculate to display. Pitches above 9 12 are very highly angled and are designated steep slope roofs. Live load is weight of furniture wind snow and more. Select output fraction precision decimal inch or metric mm.
Live load 20 lbs ft2 956 n m2 maximum span ft in nominal size. Also available for the android os. Trussed roof bearer conventional roof coupled unstrutted ridge support bearer lw support conventional roof coupled strutted ridge support bearer support support x y z bearer a bearer b bearer c floor joists continuous span beam span l1 2 single span beam span bearer floor load width flw a b c flw x y 2 flw. Trusses it is common to space them in the order of 3 to 6 metres apart to distinguish them as individual features.
Trusses with an asterisk that exceed 14 in height may be shipped in two pieces. Contact your localalpine trussmanufacturerorofficeformoreinformation. Live load overhang kpa. Dead load weight of structure and fixed loads 15 lbs ft2.
To achieve maximum indicated spans trusses may require six or more panels. 1 ft 0 3048 m. Bt b tc 6 6 common truss configurations for the most widely designed roof shapes. This is set by the roof use you selected in the previous screen and cannot be modified.
Pitches of less than 2 12 are considered flat roofs even though they may be very slightly angled. Skillion lean to roof profile diagram quest. Sheet roofing tiled roofing roof load width rlw mm 1500 2100 4500 7500 1500 2100 4500 7500. The imposed uniformly distributed live load in the main span.
Loads are calculated in accordance with table 3 1 of as nzs 1170 1 2002. To make this possible purlins are used to span between trusses for the purpose of supporting in fill rafters i e. The most commonly used roof pitches fall in a range between 4 12 and 9 12. Mono used where the roof is required to.
1 psf lbf ft2 47 88 n m2. Pitches lower than 4 12 have a slight angle and they are defined as low slope roofs. 1 in 25 4 mm. Skillion roof rafter detail diagram with all dimensions and birds mouths scale.
Maximum span of bearer mm upper floor load width 1800mm single span.