Timber Roof Framing Terminology

A composite decking made of solid materials it resembles real wood and particularly strong and stable for bearing heavy load.

Timber roof framing terminology.

The most commonly used joinery in timber framing systems. Timber framing can be confusing if you re unfamiliar with the terminology used. The primary vertical timbers in a timber frame. The following glossary assumes that longitudinal is the direction in the ground plan which runs parallel to the ridge while transversal is the direction parallel to the gables or orthogonal to the ridge.

It is a waterproofing layer made of regular felt stacked above the solid. A 45 degree flat edge planed or routed along the outer or leading edges of a timber. Series of timbers that are used to support roofs. In the following section we ll cover some of the more common roof and rafter terms you ll need.

Roof framing terms are related to the parts of a triangle. A diagonal piece of timber used to support beams. A horizontal timber or metal resting at the peak of the roof the rafters and trusses are connected to the ridge board for a cohesive framework. Horizontal timbers used to support floors and ceilings.

Each bent forms an end wall in a bay. The simplest form of pitched roof consisting of rafters inclined at 30º. Key timber frame terminology. Collar ties rafter ties tension beams structural ridge beams.

Framing terms knowing the basic vocabulary is a necessary part of your work as a builder. Some of these can support the roof and prevent ridge sagging and wall spreading. Below is a list of terms related to the timber frame industry. The mortise is the notching into a.

Common timber frame terms adze. What s the difference between a bent and bay system and a post and beam system. Terminology timber framing system terminology. In the 17th and 18th centuries ridge piece and ridge pole were used respectively to designate a horizontal timber or a pole at the ridge of a roof.

This article describes and illustrates the different types of support that prevents roof sagging and wall bulging at buildings including definitions of collar ties rafter ties and structural ridge beams. Wood used in. Roof features associated with basic roof framing terms are shown in figure 2 2. An axe like tool with its blade at right angles to its handle used to shape or dress timbers.

What was once a pole or timber is now a milled board typically a 1 by 6 or larger for houses hence today s use of the term ridge board. Terminology timber framing page 1 terminology timber framing roof structures note. Like individual slices in a bread loaf bents extend completely through.