Hot Pitch Roofing

Roofing systems originally consisted of alternate layers of hot bitumen and reinforcement.

Hot pitch roofing.

The original reinforcement was called organic felt a paper like product consisting of waste paper cotton linters and asplund wood fibers. There is no standard universal roof pitch. In other words it can be expressed as numerical measure of steepness of the roof. Typical roof pitch is actually the measure of the roof s slope expressed in ratio.

Actually it was and still is. Typically between three and five layers are built up. Coal tar pitch is melted on site in an industrial kettle and applied to the roof as a hot liquid. Jb wholesale roofing and building supply has 8 locations to serve everything you need for your roof whether residential or commercial.

Roof pitch is a measurement of a roof s slope expressed as a ratio. Roof pitch is used to describe the slope or angle of the roof. Some well defined standards are followed while deciding about roof pitch but in actuality the slope depends upon the type of roofing material and climatic conditions of the area. The roof pitch is important in determining the appropriate installation method and how much roofing material will be needed.

Roof pitch or slope is a measure of vertical rise to horizontal run expressed in inches per foot. California roofing laws cover everything from licensure of the roofing company to the types of shingles that must be used to the slope of the roof. California roofing codes establish a list of rules that all builders and contractors must adhere to in order to ensure safe building practices within the state. In the usa the range of standard pitches is anywhere between 4 12 and 9 12.

Alternating levels of hot asphalt tar and heavy roofing felt finished with a gravel coating can be applied to a flat roof for protection. Roof pitch varies depending on culture climate style and available materials. The cost for this utilitarian roof covering lies mostly in the labor and will vary greatly depending on the location of the building. A layer of felt and coal tar pitch is called a ply.

Although there is no single standard roof pitch used on all sloped roofs factors such as roofing materials and local climate help to determine the appropriate range of pitches for a given building. In the uk the typical house has a pitch between 40 50 although 45 should be avoided.