How To Hang Conduit Below Roof Trusses

Notches in solid lumber.

How to hang conduit below roof trusses. Trusses are built with a camber in the bottom chord. Insulated sheathing so 300 4 d goes away right. Finding roof rafters from the top of the roof can be difficult since regular stud finders have trouble penetrating the plywood shingles or slate tiles covering the rafters. The beam extends to the far end of the roof hanging over the trusses still sitting.

Structural roof members shall not be cut bored or notched in excess of the limitations speci fied in this section. Also hangers or other supports used to attach and support metallic. Close or seal off the ends with a wood or plastic strip under the panel at each end. Electrical conduit below metal decks i have a good one 2 years ago in a nudist colony we did there was a tiki bar good sized one 1 500 sq.

Anyway the roof was 5 4 t g with track lighting ceiling fans receptacles l v etc all of our mc and emt was behind the t g over the t g was 3 in. If metallic conduit or wiring needs to be placed near the roof assembly nrca recommends it be positioned and supported at least 11 2 inches from the bottom side of the roof deck or substrate to which the roof system is applied. After setting the second truss in the same manner workers attach a ridge beam to the peak of both trusses. The good news is that we illustrate 3 time tested techniques for connecting unistrut channel to bar joists below which means you can choose the strategy that best suits your specific needs.

R802 7 cutting and notching. These will stop the entry of rain wind and pests. A girder truss will have more camber than other trusses. The camber is designed to suit the span and load.

A pdf illustrating the basic strategies for connecting unistrut to bar joists is also available for download by clicking here. Here s your code on rafters and trusses. Under no circumstances should trusses be. The camber is progressively taken up as the load from the roof covering and ceiling is applied.

Place them directly onto purlins that are attached to the roof trusses beginning on the outside edge.