The saddle roof is a roof that is widespread in Central Europe and therefore also in Germany. It is also traditionally the most erected roof over the centuries. This roof shape combines numerous advantages and can be adapted very well to personal requirements. One of the most important criteria for this is the angle of inclination of pitched roofs.
The roof structure and the roof pitch with a gable roof
First of all, it is also important for the later roof pitch which roof structure you choose. But more points depend on it.
- Also read - Saddle Roof - Modern and Cool
- Also read - Design a gable roof with a parapet
- Also read - Gable Roof - Structure and Forms
- Finishing properties of the roof
- Snow or wind load in the respective region
- allow large dormers
- use the self-cleaning effect efficiently
Purlin and rafter roof trusses
Depending on the roof structure used, you can use your attic in different ways. The angle of inclination of the roof is also only of limited importance up to now. Saddle roofs can basically be built on both rafter and purlin roof trusses. While the rafter roof transfers all weight to the outer walls, the purlin roof requires support posts that are erected over supporting walls and thus also transfer the weight.
The saddle roof on a spar roof chair
This causes completely different possibilities. When the sparrow roof, which can be performed particularly well steeply, this results in a large free roof floor area. If the storey area is not big, so from the attic a large room can be created without disturbing support beams. This is precisely precisely that the saddle roof can be performed very steeply on a rafter or developed throat-developed roof roof, which provides additional living space of up to 30 percent.
The saddle roof on a spar roof chair
For this, the pettender roof can also be built especially wide, is therefore suitable for large glass areas. Thus, the support pillars can be integrated well in walls, if there is a sufficiently large room layout. At the same time, the purlin roof can be made very flat, so that the top floor can look almost like a conventional living area.
The maximum heights of the gables or gables prescribed by the regional building regulations. The roof is not crossed, but the living space below is used efficiently. In addition, large dormers can be integrated into the purlin roof because the rafters do not necessarily have to face each other. The roof truss can also be combined from the various constructions in order to influence the roof pitch and utility properties of the attic.
Provisions relating to the roof pitch
Thus, both roof structures also offer in terms of the required or. desired roof pitch influence. This is necessary because Germany can be differentiated into regions with little or no snow, but also into regions with little or no wind. The required roof pitch angle for the pitched roof is also based on this.
In addition, you can subdivide gable roofs yourself according to the roof pitch angle.
- Inclination angle less than or maximum 30 degrees: a flat gable roof
- Angle of inclination 45 degrees: an angled or New German saddle roof
- Inclination angle 60 degrees and the shape of an equilateral triangle: Old French or Old Franconian saddle roof
- Inclination angle of 62 degrees: Gothic or old German saddle roof
The covering of the gable roof, taking into account the roof pitch
With a pitched roof, however, the roof pitch angle also determines which roof covering you can use. In addition to the load-bearing capacity, which can also be adjusted by the roof structure, it is the self-cleaning effect of the roof, for example due to rainwater running off, that you have to take into account. In addition, there must be a minimum slope so that water cannot penetrate the roof structure. Depending on the roof covering, there are different minimum values, also called standard values.
- 15 to 85 degrees roof pitch: bitumen shingles, but the design of the shingles must be taken into account
- 15 degree roof pitch: plastic roof panels
- 22 degree roof pitch: flat roof tiles
- from a roof pitch of 22 degrees: concrete roof tiles
- 25 degree roof pitch: slate panels (old German cover and double cover) and FZ panels
- 30 degree roof pitch: double groove tile
Depending on the angle of inclination of your pitched roof, you must therefore also pay attention to suitable material for the roofing.Tips & tricks in a roof pitch of two to ten degrees is generally spoken of a flat roof. These were in the 1960s and 70s in fashion. Due to the rapid leak of many such flat roofs, the builders but quickly returned to the classic saddle roof.
Of course, you will find other articles around the various roof versions and roof constructions in the house journal. So also to [calculate a roof].