Roof Beam Details

A ridge beam is a structural member used to support the ends of the rafters at the ridge transferring it s loads to posts or gable end walls.

Roof beam details.

Typically the roof beam is made by nailing together a few pieces of dimensional lumber. Span is the horizontal distance between the outside. You will need a roof beam as a nailing surface to support the rafters. Downspout strap detail 1 4 dia.

Roof framing terms are related to the parts of a triangle. For slabs openings in floor slabs as shown below. This detail for cmu installation only. 1 16mmø top bot.

A waterproofing seal installed along the roof s valley line with taktekkernbergen no. Window door garage door headers supporting roof wall floor loads. Shall be a shown. Ridge beam sizing is based on the span of the beam between supports and the amount of roof load supported by the beam.

Beams girders 0 914mm o c. The horizontal beam connecting two rafters that intersect at the ridge. Window door garage door headers supporting roof loads only. The top ends of the rafters often meet at a ridge beam but may butt directly to another rafter to form a pair of rafters called a couple.

Or boards plywood or oriented strand board form the roof deck also. Roof features associated with basic roof framing terms are shown in figure 2 2. X 5 8 bolt brass alum. One of a series of diagonal members of the truss that meet at the apex in order to support the roof deck and its loads.

Refer to the figure as you study the terms discussed in the next paragraphs. The loads on the ridge beam are carried by vertical posts at the beam ends down through the building structural walls to the building foundation. Once again you will need to look at your local charts and use your local snow load factor to determine the maximum span for a given wood rafter size. Footing details fifth floor beam layout plan roof beam layout plan ground floor beam details b first floor beam details a secondfloor beam details b secondfloor beam details a thirdfloor beam details b thirdfloor beam details a fourthfloor beam details b.

Distance for for beams 25mm clear distance minimum of free span. Ridge beams are required by code if the roof slope is less than 3 in 12 irc section r802 3. Depending on the roof covering material either horizontal laths battens or purlins are fixed to the rafters. Detail for attachment to metal panel siding or fascia.

0 76 0 76 0 76 provide extra bars by beam opening is framed omitted where trimmer maybe 0 012m thick and over over trimmer bar hock slab rein t.