Steel Framed Mono Pitch Steel Roof Detail

Introduction to steel design and construction 8 ii.

Steel framed mono pitch steel roof detail.

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. Advanced bill of material 24 2. Erection drawings 26 3. Main member design 13 2.

Mike guertin on instagram mike guertin a builder and remodeler in east greenwich r i and a presenter at jlc live responds. Detail drawings 28 4. Mono meaning single and the slope is referred to as the pitch. 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.

The steel process from design through erection 10 a. A mono pitch portal frame is usually chosen for small spans or because of its proximity to other buildings. 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. Engineering calculations 22 b.

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. This will only apply where the wall frames are raked see figure 1. It is a simple variation of the pitched roof portal frame and tends to be used for smaller buildings up to 15 m span. Roof pitch the metal roofing panels shown in this manual require a mini mum slope of 2 per foot to ensure proper drainage.

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. 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.

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. An introduction to single storey structures including portal frames is given in a complementary publication single storey steel buildings. Connection design 18 4. 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. Secondary member design 17 3.