Roof Framing C Purlin Residential Steel Roof Truss

Available in cee or zee shape red oxide primed or galvanized 16 14 or 12 gauge sizes from 4 up to 12 flange widths of 1 1 2 up to 4 cut to your specified lengths hole punching available load tables available for all material.

Roof framing c purlin residential steel roof truss.

Steel roof wall and floor framing is 100 per cent termite proof. The purlin are ultimately used to fasten the roof steel providing a diaphragm effect along with the siding when properly engineered and installed. In finished space insulation is placed between the rafter boards and drywall or other material is fastened to the face. Spacing is typically 24 on center in low snow loads and is reduced based upon truss span and snow load.

Metal mart offers a complete line of engineered purlin material. The roof truss structure and design is integral to roof structural integrity and shape. Best materials ph. Pre welded purlin cups predrilled bolt holes and included mounting hardware for fast easy installation.

There are many types of roof trusses as wall as many types of roofs more types than there are parts. The member spanning from truss to truss which is meant to carry the load of the roofing material and to transfer it on the panel points is called a purlin. Steel trusses offer increased strength faster installation and a longer life compared to wood frame pole barn trusses. Rafter boards are fastened to the ridge board at the peak and the top plate where they join the wall.

In post frame construction roof purlins are the members running the lengthwise direction of the building either placed on top of or between the roof trusses or rafters to attach the roof steel or other roof sheathing to. Hence the length of the purlin is equal to the width of the bay i e the spacing of the trusses. Stratco steel framing range. How to building frame a roof by steel frame amazing smart techniques practical implementation.

This article and series of illustrated diagrams shows you all the parts of a basic roof truss king truss and queen truss. Standard details for metal roofing siding post frame and residential structures distributed by. Quality precision engineered metal framing trusses in a range of different configurations to suit any application from commercial to residential buildings.