Flat roofs FEATURES

The flat roofs of the communities of owners are characterized by setting up a more or less flat surface (the slope of the skirts, handkerchiefs or quarters never exceed 5), which enables the movement of people across its surface and have an evacuation system slow water consisting of the collection and accumulation of water in vessels draining through drains. The waterproofing flat roofs on neighboring communities, is achieved with the use of continuous sheets of waterproof materials and also waterproof connections.

The biggest problem with the flat roof of a condominium is that are subject to large temperature differences and hygrothermal movement, so to ensure the watertight integrity and stability required by the CTE to the roofs of the neighboring communities, its surface must be divided into sections of not too large size (up to 6 m in any direction), called barracks or quarters, among which we must leave expansion joints.
Each barracks community housing form a funnel with horizontal perimeter edges and from them, skirts with little slope toward the drain point form.



Flat roofs consist of the following elements:

Structural support: element that supports the cover itself and burdens that will eventually occur on it (machinery, furniture, people, water, snow, wind).

Thermal insulation: insulating layer, as a blanket, it reduces cold or heat exchange with the outside.

Waterproofing layer: serves as a barrier against water.

Surface finish: has two functions: aesthetic and protective: protects the lower layers of climatic agents and as surface finish has an aesthetic function.
depending on the arrangement of the various components of the flat roofs of the communities we can distinguish the following types:

Ventilation system function: Covered cold flat (there is an air gap between the structure and siding); Hot flat cover (a sheet): The insulating coating and rest on the support structure and floating cover flat: it is hot flat unacubierta (a sheet) in which a specific support by plots called a walkable surface is achieved.
Depending on the arrangement of the layer of insulating material: traditional flat deck: the waterproofing is placed above the aislantey Cubiertaplanainvertida: the insulation is placed above the waterproofing.

Depending on the type of finish: Cover passable flat: the top coat allows the transit of Cubiertas flat roof not passable: the coating is not intended for the usual traffic. Flat green roof: the cover bears a layer of soil with vegetation, like a flooded flat garden yCubierta: The cover is permanently flooded with several feet of water.

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