As warm than the flat roof?
- 09 Jul 07:45
- Construction And Repair
Insulation of flat roof - the most important task, with which you can significantly reduce heat loss and therefore energy costs.In addition, the heat insulating layer prevents the condensate, allowing at times extend maintenance-free operation of the roof.But that's not all!Thanks to roof insulation in rooms directly below it, creates a favorable microclimate.
Types of insulation for flat roofs ↑
- mineral wool onbasalt-based (for example, 45 or TECHNOROOF TECHNOROOF 60 from "TechnoNikol"), which can be used without protective screed.
- extruded polystyrene (foam) is ideal for the exploited roof.It perfectly absorbs the sounds, but is flammable and is not recommended for thermal insulation of soft roofs.
- polyurethane foam - great for roof insulation.Ideal to apply, non-flammable, does not form seams and gaps.
- ecowool - insulation, made from cellulose treated with flame retardants, which are converted flammable material in non-combustible.In shops and markets are looking at building brand Ecowool, Ecowool and Yunizol.
- foam - new material, which by its solidity and durability resembles concrete and on the structure and weight - foam.The perfect way to warm flat roof and thus create a heavy load on the supporting structures.
device flat roof ↑
so-called "cake" flat roof consists of the following layers:
- support base (concrete, metal profile)
- heat insulating layer
sequence of layers may be different if the arrangement is planned stripping of the roof.In this case, the "pie" will be as follows:
- support base
- waterproofing membrane
- geotextile or other material with similar characteristics
- layer of gravel
As can be seen, the inversion roofing harderTraditional insulation layer and it is located above a layer of waterproofing.This variant of the roof for those buildings, which are subject to high requirements for fire safety.And even despite the fact that a layer of waterproofing on the roof, as a rule, is made of combustible materials located beneath mineral wool, act as a barrier to fire.Thus, the roof structure is completely fireproof.
It is important that the device flat roof - insulation meaning made with regard to the loads that can occur during operation.Thus, for example, operated for roofs insulation layer must be thicker and stronger.
Installation of mineral wool boards on the flat roof ↑
Flooring vapor barrier ↑
mounting base of basalt mineral wool are either concrete structures or shaped sheet metal.Regardless of which type of foundation the building is first produced stacking vapor barrier layer which prevents the penetration of water vapor under the roof.If you skip this step, then eventually the mineral wool accumulate a moisture and stop playing the role of insulation, and laid it on top of a layer of waterproofing "will" blisters.
vapor barrier for flat roofs typically use either the classic polyethylene, or special facing materials, such as bitumen and polimerbitum.The second option more reliable and more efficient, because there is a vapor barrier seams and it is very strong on the break.
Important: vapor barrier must be placed not only on the horizontal surfaces, but also on the vertical.Plant film or bitumen should be slightly above the level where it will be placed insulation.
laying mineral wool ↑
Insulation for flat roofs, in this case basalt slabs laid in a single layer, but sometimes, if that is required to make advance payment of thickness, builders can enhance insulation additional layer of more subtle, but no lessstrong mineral wool.Such a decision is taken on somehow, and on the basis of geographical location, average temperature and humidity parameters in the winter time as well as the destination of the building.
For mounting plates to the base using a telescopic anchors or bitumen.
first option is more logical to use when the base serves as a steel sheet, as the mount plate to iron the best mechanical way.Besides fixing with dowels much cheaper even if the installation is carried out on concrete slabs.However, concrete anchors are slightly more expensive, and messing around with them longer.
When mechanical means fixing mineral wool layer of waterproofing is attached in the same way, that is, on the dowels.As for the roof leaks in this case, you should not worry, as the broad hat dowels can not pierce the waterproofing.
Important: if you select a mechanical method of attachment of mineral wool, then the vapor barrier should be made of the deposited materials, because only in this case, the hole formed by hammering dowels in the base will be able to drag.
Bonding bitumen - rather laborious and expensive process, and it is recommended when laying mineral wool on concrete base.Technology, in this case is as follows: at the base of a layer of bitumen is laid on top of it Plate.The procedure is repeated until the end of the roof.If there is a need for laying a second insulation layer, the first layer of bitumen is greased and plates are mounted "in extensibility", i.e. so that the plates of the upper layer are overlapped joints of the lower layer plates.On top of mineral wool is laid asphalt waterproofing.
What mineral wool is best used for flat roofs ↑
Not every type of mineral wool is suitable for flat roofs.It is important that the insulation had such strength that it could safely withstand the loads during operation and load during installation, because the builders will go on it.You can make a screed on insulation layer, which distributes the load and creates a tough and durable basis for floor waterproofing.But whatever the screed - dry slate or asbestos or wet - it is in any case much heavier roof structure.
out of this situation may be high-strength mineral wool from TechnoNikol, which are made with the use of pre-press gofrirovschika-, depositing the fibers and in the horizontal and in vertical.
Insulation of flat roofs extruded polystyrene ↑
consider another option flat roof insulation, which is used for thermal insulation of roofs inversion type.
Placement waterproofing layer ↑
Ground inversion roofs should have a slight slope to drain the water and smooth surface.To arrange this by using concrete ties.It was on her, and laid waterproofing membrane of the deposited material.It is mounted in the same way as in the case with the traditional vapor barrier for a roof, i.e. with a stop on the vertical walls of the roof.
installation polystyrene plates ↑
EPS boards are equipped with slotted locks, but for the most secure them against moisture, all joints should be treated with adhesive tape construction.The process of laying polystyrene is very simple, the main thing to remember that the second layer (if it is necessary) must be installed in the Extension.
Construction of the separation layer ↑
The next layer is a geotextile, which will protect the lower layers of the roof from mechanical damage and contamination.Over geotextile performed ballast filling gravel or rubble with a minimum thickness of 5 cm, and can be used for drainage profiled membrane laid between the geotextile and backfilling.
laying topcoat ↑
As topcoat can act and paving slabs and asphalt concrete and foam concrete, and even lawn grass.In the latter case, the gravel is necessary to lay another layer of geotextile, and on top of it pour soil thickness of about 15-20 cm. Can be planted as a perennial herb and flower crops.
Insulation of flat roof - is no easy task, but by doing it on a solid top five, you can be confident that the building will be warm and comfortable.However, for greater reliability it is still warm and the walls.