Steel Roof Truss Design Calculator Excel

The skeletal structure of a roof system 18 0m long and 7 2m wide is as shown in figure below.

Steel roof truss design calculator excel. The more complex the truss framework is the greater quantity of these joints will be required. Measure the length and width in feet then multiply together to find the square footage. Multiply the footprint square footage by the multiplier for your roof pitch to find the actual square footage of the roof. Purlins are light and therefore easily fit between the steel structures and are quite economic.

It can be said in the case of steel roof truss design calculations that the cost of truss should be equal to twice the cost of purlins and the cost incurred on the roof covering. This type of steel roof truss design calculator is incredibly immune to solid winds so is optimal for high wind or cyclone vulnerable locations. Bonnet roofing systems are basically a mansard roof backwards. Finally the truss calculator will compute the best dimensional method to connect the pieces of the truss with steel joints and a bridge.

Steel roof truss design calculator hood roof. For instance a 38 panel will have an effective coverage width of 36. Likewise referred to as kicked eaves a hood roof has 4 sides with a high top incline. Purlins are used for small roofs which are covered with steel roofing.

Enter the diameter of the roof ridge vent gap 1 3 finally enter the coverage area width of the panels you plan to buy. If you can t get the heel height most residential trusses will have a 3 top cord. Use our roof pitch calculator to find the pitch of your roof. 124361160 truss design xls free download as excel spreadsheet xls pdf file pdf text file txt or read online for free.

The truss is made up of howe truss configuration spaced at 3m intervals. The metal roof length calculator calculates the distance from peak to trim so add the length you want the roof metal to extend beyond the eave trim. It is desired to specify the appropriate angle sections that will safely carry the anticipated loading using eurocode design code specified steel grade s 275. It has a wide range of applications including being used as a wood truss calculator roof truss calculator roof rafter calculator scissor truss calculator or roof framing.

These steel joints are needed to support the overall truss. Depending on your roof slope add 4 to 5 inches for heel height. This free online truss calculator is a truss design tool that generates the axial forces reactions of completely customisable 2d truss structures or rafters.