Secondary Fraiming

PREENGINEERED BUILDING

Secondary Framing

Secondary framing includes purlins and girts & other components. Purlins and girts are products specially designed not only to provide stability to the building but also ensure economy in the project cost with a clean and dirt free site. components are factory punched cut to length, to offer instant site assembly using connection nut-bolts. Other components are comprehensively supplied ready for erection.

Secondary Members

PURLINS & GIRTS

Purlins and girts are roll formed Z sections, 200 mm deep with 64 mm flanges shall have a 16 mm stiffening lip formed at 45˚ to the flange. They are supported on columns, rafters or building walls. They can be lapped and nested at the supports which creates a continuous beam configuration. They are placed on the roof and perimeter of the building. Hence they serve as a support to the roof sheeting and wall cladding.

C SECTION

C-Sections are 200 mm deep with a 100 mm flange. The flanges are perpendicular to the web and have a 24 mm stiffening lip.

EAVE STRUT

Eave struts are 200 mm deep with a 104 mm wide top flange, a 118 mm wide bottom flange, both are formed parallel to the roof slope. Each flange has a 24 mm stiffener lip. These are located along the sidewall; at the intersection of the planes of the roof and wall. It is constructed from cold formed C-Section and is rolled to suit the roof slope. This member transmits longitudinal wind force on the end walls from roof brace rods to wall brace rods.

OPEN WEB JOISTS

These are long span load carrying trusses suitable for direct support of floors and roof decks in the buildings. The system consists of crimped angles welded to the top and bottom chords.