A process whereby a material is caused to form permanent molecular linkages by exposure to chemicals heat pressure and or weathering.
Roof support terms.
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.
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.
A turret is usually cylindrical and is topped by a conical roof.
Truss is the framed set of rafters that supports the roof of the house.
The exposed end of a shingle.
Here is a closer look at common roofing terms.
Collar ties rafter ties tension beams structural ridge beams.
1 a raised member used to support roof penetrations such as skylights mechanical equipment hatches etc.
The slope is from one sidewall to the opposite sidewall.
It is left open past the main walls of the house.
Above the level of the roof surface.
Ideal for waterproofing and insulation.
The butt of a shingle is the end that faces down roof.
A waterproofing seal installed along the roof s valley line with taktekkernbergen no.
Soffit is the horizontal area under the roof overhang.
When working on a roof it pays to be familiar with these terms.
Some of these can support the roof and prevent ridge sagging and wall spreading.
However they are closed off to give a finished look.
Roof truss a frame designed to carry the loads of a roof and it s covering over the full span without intermediate support.
This provides the roof with immense strength.
2 a raised roof perimeter relatively low in height.
A rigid framework as of wooden beams or metal bars which supports a structure such as a roof.
A small tower that pierces a roofline.
Now that you have many of the common roof truss terms down let s talk about overall roofing terms that are good to know.
In most common roof styles these are the two slanted beams that hang over the side of a building.
A waterproofing layer that protects the roof valleys from leaking.
Don vandervort hometips.
A term used in structural design to design a beam support condition at two points which offers no resistance to rotation at the supports.
A sloping roof in one plane.
Purlins are used to support the decking of a roof.
With wood shingles or shakes this is the thicker end.
