Skillion Roof Span Tables

Skillion lean to roof profile diagram quest.

Skillion roof span tables.

Floor beam span tables of residential structural design we will now look at roof rafter and beam design. Im just wondering on what size timber we would need to use for the rafters i was thinking 120 x 45 or so. From span table c the maximum allowable single span is 2160mm. Roof beams 20 verandah beams 22 garage roof pitching beams 23 common installation details 25 notches cuts and holes in beams.

Hey guys we are planning on ripping down a lean to laundry and adding an extention. Here we have a wood framed gable roof. Also available for the android os. Select and re calculate to display.

Reading off the empty under table with h 5m hc 2 5m span table c will be used to determine the spans. The imposed uniformly distributed live load in the main span. This is set by the roof use you selected in the previous screen and cannot be modified. Continuing on from part 3.

Pitching beams 23 common installation details 25 notches cuts and holes in beams. Roof load width for beam b span span span beam b overhang 35 mm min 2 bolt ø 5 bolt ø 4 bolt ø post 6 bolt ø 4 bolt ø 5 bolt ø 2 bolt ø 6 bolt ø bolts are per table 35 mm min 150x90x10 mm m s. Use recommended minimum roof pitches as specified by roof sheet supplier. Let s consider a basic gable wood roof framing design.

Loads are calculated in accordance with table 3 1 of as nzs 1170 1 2002. Span calculator for wood joists and rafters also available for the android os. Spantec has prepared these tables for use by people skilled in the design and specification of the. Roof beams 20 verandah beams 22 garage roof.

Angle bolts as per table figure 4 roof load width fixing beams to posts beams shall be fixed to posts as listed in tables 3 4. It will be pretty much one room 10m x 4m with a skillion roof the rafters running the 4m with a colourbond roof ive looked at the span tables posted on here but not sure what im looking at. Are not met use the single span tables for the purpose of obtaining the appropriate size. Spacing tables such as those for rafters.

The image below shows a cross section of our simple 12 x 13 house from the joist span tables section of this tutorial. Single span beams are. Step 4 assume the wind classification for the area is n1 and the roofing profile is stramit corrugated cladding 0 48mm bmt thickness in a single span configuration. Posts these span tables are designed for a minimum post size of 50 x 50 x 2 5mm up to a maximum height of 3 0m.

Skillion roof rafter detail diagram with all dimensions and birds mouths scale.