Pitched Roof on a Budget: The Best Money-Saving Tips for Every Contractor
The roof has been an important structural component since the beginning of civilization. Building roofs protect the structure and the occupants from adverse environmental conditions while also providing privacy to the inhabitants.
Roof design and construction involve many factors, but perhaps one of the most important is drainage. When constructing a roof & selecting the materials, it is essential to consider all the factors that influence its construction.
Define Pitched Roof
Roofs with pitched roofs have some slope as part of their structure. A roof is generally present at the top of the structure to protect it from different weather conditions. Pitched roofs use in areas where there is heavy rainfall. You can also use pitched roofs if your building has a limited width.
Components of Pitched Roof
The height of the ridge is the vertical distance between the wall plate and it.
Span is the vertical distance between the inner faces of two walls or supports.
The pitch of a roof refers to the degree of inclination of its sides.
An angle beyond 180° formed by the intersection of two sloped surfaces is referred to as a hip.
It is called a ridge when it is located at the peak of a sloped roof.
It is called a template when a square or rectangular block set under the end of the beam or the truss spreads the weight of the roof over a large area.
From the roof ridge to the roof eaves, roof rafters consist of inclined wooden members. As a result, the intermediate rafters serve as supports for the roof covering.
Wooden boards at the eaves are attached to the rafter. As a result, it knows as a fascia which measures 20-5 mm thick and 15-20 cm wide.
Hip rafters are the sloping rafters that make up a sloped roof. The roof covers are supported by these beams that are diagonally placed from the ridge to the corners of the walls.
When the span is large, Purlins are horizontal members used to support the raters of a sloping route.
These rafters usually support valley gutters. From the ridge to the eaves, valley rafters are laid diagonally.
Verges run between the eaves and ridge of a gable and run from the eaves to the ridge.
Triangular frameworks are known as trusses. The purpose of the structure is to support the ceilings and covers of the rooms.
As the end of a pitched roof approaches, a triangular upper part of the roof forms a gable.
These small blocks of wood are fixed on the ceiling or rafters as cleats.
Types of Roof
Double Pitch Roof
Double pitch roofs have the same rise as mono-pitch roofs, and their horizontal spans are twice as great.
Double-pitched roofs resemble quadrilateral triangles in their structure. In this type of roof structure, the rafters, struts, and Purlins support the roof covering that place on one set of principal ties and two sets of principal rafters.
Collar Beam Roof
The collar beam roof distinguishes from a horizontal tie, which runs from wall plate to wall plate. Collar ties are horizontal structural members between the rafters that rise from the feet to almost the middle of them.
You may not fix the collar ties more than one-third or one-half of the roof rises from the wall plate. A roof's clear span tends to increase when the load on the roof increases. Under excessive loading conditions or in high spans, collar ties prevent the rafter from sagging.
To learn more, watch the following video tutorial.
Video Source: Only4 Civil Engineers
Mono Pitch Roof
Mono Pitch Roof is the simplest form of the roof without any connections to other pitched roofs. Roofs of this type typically resemble an equilateral triangle, one end attached to the ridge and the other end overhanging. Various names refer to this type of roof, including shed roof, lean-to roof, pent roof, or gable roof.
An elongated gable roof with sloping ends is a Slant roof. There are two slopes on either side of the gambrel roof, with the upper slope being less steep than the lower.
King Post Truss Roof
In architecture, bridges, and aircraft design, king posts act as central vertical posts to support columns. There is a king post at the top of a triangular truss that extends vertically.
In addition to short-span bridges and simple roof trusses, king post trusses use in bridges. A truss made up of the fewest number of members is the simplest type of truss. Trusses consist of two rafters, one horizontal beam, serving as joists for ceilings.
Roof Purlins are structural members that run longitudinally and horizontally. Purlin plates, principal Purlins, and common Purlins are the three types of Purlins for traditional timber framing. Steel frame construction also uses Purlins. It is possible to protect the environment by painting and lubricating steel Purlins.
The only difference between the Couple Roofs and a Double Pitch Roof is that the Couple Roof can be built quickly and at a low cost. Timber is primarily a construction material of the couple roofs.
Couple Close Roof
It is common for these roofs to use horizontal rather than vertical ties to tie their rafters together. As a result, it covers the entire span of the top horizontally from one wall plate to the other.