Framed Roof Exterior Stair Detail

This is a detail.

Framed roof exterior stair detail.

In a rafter roof all of these components are required to provide a stable roof. Rafters act more like the top chord of a roof truss than as a roof joist. Chapter 23 stairs 155 construction 155 types of stairways 155 ratio of riser to tread 155 stair widths and handrails 161 framing for stairs 161 stairway details 162 attic folding stairs 165 exterior stairs 165 chapter 24 flashing and other sheet metal work 166 materials 166 flashing 166 gutters and downspouts 170 iv. Dwg pdf right click to save these files roof truss at exterior wall detail.

Where the ceiling joists run other than parallel to the rafters rafters shall be tied back to the roof framework by means of cross ties spaced not more than 48. The rafters carry the applied loads to the exterior walls. All projections such as roof overhangs balconies decks exterior stairs carports or patio covers should be protected on their undersides and on exposed edges with cement. Ultimately the detail used will refl ect what the building offi cial accepts in terms of fi re protection continuity of the shaft wall s required fi re resistance rating.

This is a detail of a roof truss to an exterior wall connection. Rafters shall be framed directly opposite each other at the ridge and shall be nailed to adjacent ceiling joists at the plate line to form a continuous tie between exterior walls. The function of each component is. In varying degrees depending on the detail the shaft wall will need to be interrupted to attach the adjacent fl oor framing and fl oor sheathing.

Needed to tie the roof together where the rafters are framed at an angle to each other. A truss frame consists of a roof truss and a floor truss joined by exterior wall studs. This is a detail of a roof eave and soffit condition. End walls may be truss framed with field assembled stud infill prefabricated in.

Roof eave and soffit detail. The information and details provided here are designed to meet the 2015 international building code ibc. Design changes may be required depending on your projects region. Mill steel framing cad structural steel framing arcat free architectural cad drawings blocks and details for download in dwg and pdf formats for use with autocad and other 2d and 3d design software.

The wide variety of possible roof and floor truss designs and combinations is illustrated by figure 1. For example exterior walls are 2 6 wood frame construction which allowed bui to install r 19 foil faced insulation the code requires r 11 kraft faced insulation.