Steel Frame Roof Construction Detail

The rise or height of the roof at its peak is the altitude of the triangle.
Steel frame roof construction detail. Sheeting and flashing details. Canadian sheet steel building institute lightweight steel framing architectural design guide 6 bottom track top track concrete pour stop or subfloor edge support floor joist axial load bearing stud erection seat only figure 5b. Roof purlins and wall girt not only support the roof and walls but also provide lateral support for the main structural beams and columns which form the secondary framing of portal steel frame buildings. Steel columns roof beams and bracing systems constitute the primary force skeleton of the portal steel frame.
The strength and ductility of structural cold formed steel cfs framing along with the holding power of cfs connections make it the ideal material for construction in high wind speed and seismic zones such as the u. 13 30 box gable 13 endlap rain carrying table 14 eaves 15 16 ridges 16 18 gables 18 19 flying gable 20 endwall 21 sidewall valley 22 gambrel transition 23 outside corner 24. Steel framing is a practical code approved solution to many of the limitations that builders face today when using traditional building materials. The framing of a basic gable roof is based on a right angle triangle and the various roof framing components fit the triangle.
For additional stability you can also use steel joists that are built into one or both of the walls. M1 cabinet blocking detail m2 wiring and piping. The run or half the building span is the base of the triangle. Please note that many details presented in this booklet may not be relevant to the building type you.
The basic construction of a flat roof starts with roofing timber that is laid across two upright items usually two walls. Then gather your measurements by calculating the run rise and length of each rafter segment in feet and the pitch of your roof in inches. Additionally each part is subdivided into many parts that show construction details for the various types of buildings fabricated by dean steel buildings inc. It is the primary framing.
Cad details document name pdf dwg download all cad construction details 37 1 mb 3 4 mb mc01 identification of roof areas 694 kb 167 kb mc01a single layer underlayment 678 kb 302 kb mc01b double layer underlayment 711 kb 322 kb mc02 vent pipe flashing 626 kb 349 kb mc03 valley. Post frame estimating roof types 8 post frame building details 9 post frameflashings trim 10 13 post frame trim details. Typical balloon framing detail at joint in studs. And the line length measurement from the roof peak to the building wall is the hypotenuse.
R7 roof eave and soffit detail r8 rafter and joist bridging r9 collar tie at rafter detail r10 rafter brace connection detail r11 roof framing with wood tail extension r12 wood truss bearing on steel wall r13 collector block detail r14 non aligned roof wall framing r15 hip beam miscellaneous.