2 x 6 raft.
Reading roof truss drawings.
428 roof plans existing ridge block 2 x 8 valley sleeper 2 x 8 ridge 2 x 8 valley sleeper existing trusses 24 o c.
Just remember the acronym.
Roof truss span tables alpine engineered products 15 top chord 2x4 2x6 2x6 2x4 2x6 2x6 2x4 2x6 2x6 2x4 2x6 2x6 bottom chord 2x4 2x4 2x6 2x4 2x4 2x6 2x4 2x4 2x6 2x4 2x4 2x6 2 12 24 24 33 27 27 37 31 31 43 33 33 46 2 5 12 29 29 39 33 33 45 37 38 52 39 40 55 3 12 34 34 46 37 39 53 40 44 60 43 46 64 3 5 12 39 39 53 41 44 61 44 50 65 47 52 70.
Example of truss shop drawing cut sheet.
There are many types of roof trusses as wall as many types of roofs more types than there are parts.
Srr how to read a truss design drawing this four page document presents a generic truss design drawing with color coded explanations for every item of information contained therein.
Figure 20 7 common roof pitches and angles angles shown are approximate and are to be used for drawing purposes only.
Details of the truss bearings are specified on the truss design drawing.
Roof truss connection details a roof truss connection details b roof truss prop details str 08 december 2017 kachen details str 09 december 2017 december 2017 str 49 december 2017.
This stands for feet inches sixteenths.
Reading a mitek engineering drawing 1 job name 2 truss label 3 truss type 4 truss quantity 5 number of plies 6 job description 7 software version 8a cumulated dimensions of top chord panel lengths are added together along the top chord of truss feet inches sixteenths.
This article and series of illustrated diagrams shows you all the parts of a basic roof truss king truss and queen truss.
12 truss height the height of the truss from the top of the bearing to the top of the top chord trusses with multiple.
A truss design drawing usually contains the following geometrical information about the truss that it represents.
One of the first things that i questioned when asked to review truss shop drawings was how do i decipher these odd looking dimension strings.
2 x 12 raft.
Truss design drawings have long been a source of confusion for contractors design professionals and building inspectors alike.
The roof truss structure and design is integral to roof structural integrity and shape.
Reading a mitek shop drawing 1 job name 2 truss label 3 truss type 4 truss quantity 5 number of plies 6 job description 7 software version.
Read this drawings in conjunction with architects and other engineers drawings and specifications and such other written instructions as may be issued.