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628 | ChapteR 15 Creating StairS and railingS

Figure 15.5
Stair support
options

Stringer (closed) Carriage (open) Lateral oset

Reviewing the Components of Railings
Certification The major parts of a railing are the profiles, different kinds of balusters, and the nested types
Objective within each railing family. Additional functionality is available to help integrate different
railing parts into a more cohesive system. In Figure 15.6, a common railing is shown to illustrate
the fundamental parts of a railing type.

Figure 15.6
The integrated
parts of a Top rail
railing type

Non-continuous
rails
Baluster
Handrail
Handrail support

Extension (post)
End post

Let’s examine some of these railing components in greater depth:
Profiles The profile is the most basic component used to model a railing. All the rails, posts,
and balusters are generated from profile families. You can have as many profiles per railing as
you like, but you can’t have more than one shape in a profile family (RFA) file. In each profile

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