Detail drawings 28 4.
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.
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.
A mono pitch portal frame is usually chosen for small spans or because of its proximity to other buildings.
We framed and roofed a number of contemporary homes in the 1970s and 1980s with mono slope aka mono pitch roofs.
Roof pitch the metal roofing panels shown in this manual require a mini mum slope of 2 per foot to ensure proper drainage.
A client has hired me to build a large outbuilding with a single plane shed roof how do i weatherproof the uppermost edge.
Erection drawings 26 3.
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.
This kind of roofing is true to its name.
Engineering calculations 22 b.
Mike guertin on instagram mike guertin a builder and remodeler in east greenwich r i and a presenter at jlc live responds.
The trim and roofing sheet should be fastened every 12 to 24 inches along the gable edge.
Mono meaning single and the slope is referred to as the pitch.
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.
An introduction to single storey structures including portal frames is given in a complementary publication single storey steel buildings.
Mono pitched roof construction is generally standalone roofs which imply that you don t need to attach them to any part of your roof.
Advanced bill of material 24 2.
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.
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.
Introduction to steel design and construction 8 ii.
Refer to the rain carrying table in this booklet for the maximum allowable panel length per.
The steel process from design through erection 10 a.
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.
Main member design 13 2.
Secondary member design 17 3.
This will only apply where the wall frames are raked see figure 1.
