Erection drawings 26 3.
Steel framed mono pitch steel roof detail.
It is a simple variation of the pitched roof portal frame and tends to be used for smaller buildings up to 15 m span.
The steel process from design through erection 10 a.
Engineering calculations 22 b.
Within this major market sector the steel portal frame has become the most common structural form in pitched roof buildings because of its economy and versatility for a wide range of spans.
Introduction to steel design and construction 8 ii.
Level top plates and trusses where the wall frames have level top plates and the roof framing consists of trusses or a strutted roof either roof plane or roof space bracing is required in accordance with para graphs 10 3 2 and 10 3 3 for light and heavy roofs see figure 2.
An introduction to single storey structures including portal frames is given in a complementary publication single storey steel buildings.
Main member design 13 2.
When you come to dibsa for your steel roof design and development you ll benefit from our exceptional service and the many advantages of steel frame construction.
Although the use of steel portal frames is well established in the uk there is no publication which defines best practice in this form of construction.
Mono pitch roof features the mono pitch roof is always made out of one single roofing surface.
1 2 computer aided design although portal frames may be analysed by manual methods and members verified by manual methods software is recommended for greatest structural efficiency.
Advanced bill of material 24 2.
A client has hired me to build a large outbuilding with a single plane shed roof how do i weatherproof the uppermost edge.
Detail drawings 28 4.
Because low slope metal roofs have a higher chance of wind holding water on the roof and holding water up against termination flashings all of the flashing details including the eave rake ridge headwall sidewall and penetration details need to be watertight.
A mono pitch portal frame is usually chosen for small spans or because of its proximity to other buildings.
The trim and roofing sheet should be fastened every 12 to 24 inches along the gable edge.
Mono pitched roof construction is generally standalone roofs which imply that you don t need to attach them to any part of your roof.
This will only apply where the wall frames are raked see figure 1.
This kind of roofing is true to its name.
Connection design 18 4.
We framed and roofed a number of contemporary homes in the 1970s and 1980s with mono slope aka mono pitch roofs.
Mono meaning single and the slope is referred to as the pitch.
Secondary member design 17 3.
With solutions catering for safe lift dead load line load clear span and flat to pitch conversion requirements dibsa is here to ensure that your steel roof or cladding project.
