They are laid on the load-bearing walls.

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In order for all elements to be accurately drawn and correctly positioned in the overall system, it is necessary to start from a figure with right angles, namely from a square or rectangle - the section of the attic space being created. Based on the width and height of the future room, you will never make a mistake with the angles at which the roof slopes are located, with the location of the rafters, ridge and other supporting elements. Having found out these parameters, they must be immediately entered into the drawing.

First of all, you need to calculate the middle of the front wall width. Further from this point, the height of the ridge, the attic ceiling, the location of the walls (posts) and the size of the costa rica mobile database overhang are determined.

Since each of these structures has a certain number of connecting nodes with different configurations, it would be a good idea to draw each of these connections separately in order to understand in detail the features of the conjugation of all the elements that are connected at this point.

All rafter systems include basic and additional elements that may not be found in every structure. The main components of the attic roof include:

floor beams (the basis for the remaining elements of the system).
A rafter leg consisting of two sections (in the case of a broken scheme) or straight in a gable system. The upper rafter in this case is called a ridge rafter, since it forms the highest point of the roof - the ridge, and the rafters that form the walls of the attic are called side rafters.
Mauerlat is a powerful beam that is fixed to the main side walls. Rafter legs must be installed on this element.
A ridge board or beam is an essential element for a gable roof, but is not always used when constructing a broken roof.
The posts are supporting elements that are required to strengthen the broken and gable structures. In the first case, the side and ridge rafters are attached to it, and in the latter case, the post acts as a good support for the long rafter. Moreover, the posts are the framework for the sheathing and insulation of the attic walls.