Designing Shed Roofs. What to Consider

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Not recommended for use in regions with high winter precipitation. In other areas of the country, precise calculation of snow loads is required, with careful selection of the timber cross-section.
Higher demands on waterproofing.
A pitched roof does not always match the chosen style and design of the house.
Despite the disadvantages, single-pitched roof options are a relevant option, especially in low-rise private construction.


When planning the assembly of a pitched roof, you need to greece mobile database and calculate many factors: the rafter system diagram, the angle of inclination, the loads, and select the appropriate materials. As a result, you should get a drawing with complete information about the future roof.

The classic scheme of a single-pitched rafter system is beams laid across the structure with fastenings to the mauerlat installed along the load-bearing walls. This is the so-called single-pitched roof with simple layered rafters. But such an option is only possible with spans no longer than 4500 mm. However, the use of single-pitched roofs with a greater length is allowed.


With a span width of 5000-6000 mm, the rafters need to be reinforced with braces that rest on the load-bearing wall with an additional wall plate.
If the span width reaches 6000-7500 mm, a more complex version will need to be assembled - with an emphasis on a truss truss. A headstock is added to the structure, supporting an additional beam on which the rafter rests. Naturally, the posts (headstocks) are additionally reinforced with struts.
In addition to choosing the rafter system design at the design stage, it will be necessary to plan the pitch between the beams, as well as their cross-section. Such parameters also depend on the span width and the length of the rafters used between the load-bearing walls. General recommendations are as follows: