Truss terminology typical truss layout and truss types note.

Timber roof truss terminology. 1 part of a pitched roof construction that receives the feet of the spars sp ars and ceiling joist ends. A structural frame in its own right a roof truss is part of the support for the common rafters to which the roof surface e g. Terms for roof truss members. Load applied by an intersecting truss.

The following diagram shows the terms used for general roof truss members. 2 part of a flat roof structure that receives the ends of the flat roof joists. A traditional roof truss is quite different from trussed rafters although these are often incorrectly referred to as roof trusses. Tiles or slates is fixed.

Bracing not shown for clarity truss that creates roof planes and does not support other trusses truss that creates hip plane by truncating and allowing hip jacks truss top chords to fly over. May also be used to support intersecting battens or purlins. Chord the truss members forming the top and bottom edges of the truss. Hip end trusses that are supported.

Frames supported on trusses and used to form the roof between roof segments. Bearing cut or seat cut. The edge of a roof which runs from eaves to ridge at a gable. The following diagram shows the terms applying to gable end roofs.

The highest point on a truss where the sloping top chords meet. Structural support of trusses usually walls normally with a timber wall plate. The highest point on a gable roof. An arrangement of horizontal and vertical timbers used to support a roof upper floor or balcony.

Roof truss a frame designed to carry the loads of a roof and it s covering over the full span without intermediate support. A horizontal cut to the bottom of a sloping bottom chord usually the width of the bearing i. The internal members of a truss. 3 part of a suspended timber floor construction that provides a level bearing and.

Intersection of two roof planes over an internal corner of a building. A roof truss may also be called a trussed rafter. Truss that supports creeper trusses and creates hip roof plane. Used in hip end construction.

Standard rafter truss with the apex removed and replaced by a horizontal top chord. Mber bolted to the face of a truss to support intersecting rafters or trusses. Roof overhang at a gable end. Sarking is a strong moisture proof reflective metallic building paper which is placed over the roof battens purlins and installed beneath the external roof covering.

Roof trusses manufacturers terminology components of a truss.

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