Roof Support Terms

When working on a roof it pays to be familiar with these terms.

Roof support terms.

A term used in structural design to design a beam support condition at two points which offers no resistance to rotation at the supports. In most common roof styles these are the two slanted beams that hang over the side of a building. It is left open past the main walls of the house. The slope is from one sidewall to the opposite sidewall.

The top most beams of a roof truss. This provides the roof with immense strength. 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. A process whereby a material is caused to form permanent molecular linkages by exposure to chemicals heat pressure and or weathering.

The exposed end of a shingle. Purlins are used to support the decking of a roof. Collar ties rafter ties tension beams structural ridge beams. Roof truss a frame designed to carry the loads of a roof and it s covering over the full span without intermediate support.

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. 1 a raised member used to support roof penetrations such as skylights mechanical equipment hatches etc. A sloping roof in one plane. Don vandervort hometips.

Now that you have many of the common roof truss terms down let s talk about overall roofing terms that are good to know. However they are closed off to give a finished look. A waterproofing seal installed along the roof s valley line with taktekkernbergen no. 2 a raised roof perimeter relatively low in height.

Here is a closer look at common roofing terms. Ideal for waterproofing and insulation. A turret is usually cylindrical and is topped by a conical roof. Soffit is the horizontal area under the roof overhang.

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. Some of these can support the roof and prevent ridge sagging and wall spreading. The butt of a shingle is the end that faces down roof. Truss is the framed set of rafters that supports the roof of the house.

Above the level of the roof surface. A small tower that pierces a roofline. With wood shingles or shakes this is the thicker end.