Remont roofs in winter conditions with application of the equipment of infra-red radiation

Though roofing works are seasonal, in the winter often there is a necessity for their realisation, for the basic for following reasons: repair of a roof during the summer period is not finished and already after snow occurrence roof leakings are found out; it is necessary to finish roofing works of an under construction building urgently.

As the most difficult and responsible operations basis drying, and also uniform and sufficient heating of rolled materials in the winter are considered. At availability in a roofing carpt of cracks and stratifications it in cold conditions under the influence of a moisture becomes impregnated with water. If such carpet at repair not to dry, in the summer at heats on the repaired plots there will be swellings. At a label naplavlyaemyih rolled materials torches because of non-uniformity of heating of a cloth of a roll and the basis, and also low temperature of air the surface of pasted materials is fast cooled, there are many not glued places and quality of a label leaves much to be desired. An obligatory condition is prosushivanie a coupler and a heater for what it is necessary to arrange a ventilated ("breathing") roof. All it leads to fast failure of the roof made in the winter. For increase in efficiency of heating roofing naplavlyaemyih materials, improvement of adaptability to manufacture of production of roofing works the infra-red method of heating of an integumentary layer of bitumen and bitumno-polymeric materials is created. The equipment of infra-red radiation — electric, that has allowed to refuse use of fire torches. Materials heat up in rather closed volume created by the case of the equipment, an infra-red irradiation (fig. see). The surface of bitumno-polymeric materials does not heat up above 140-160°S therefore there is no it perezhoga, burning out and destruction. The heating elements radiating infra-red beams, heat up to 1000°S. Under condition of heating by material radiators in rather closed volume of heated up space influence of difference of temperatures of air (less than 10 % from temperature of heating of elements of infra-red radiation) considerably decreases.

Feature of a design of infra-red heaters and the equipment case is caused by that a surface of a pasted rolled material and the basis on which it is pasted, heats up in regular intervals and heating process comes to an end at optimum temperatures prikatkoy. Built in prikatochnyiy the shaft presses nagretyie surfaces prior to the beginning of their cooling, improving quality of gluing irrespective of an ambient temperature (fig. see). The electric equipment supplies efficiency of management roofing works at negative temperatures — to-10,-15°S, and under condition of application of awning shelter — to-30°S. Quality of works equally high at their fulfilment as in the summer, and in the winter. At management in their winter the important factor is quality of preparation and basis drying. For drying and sintering of a surface of an old carpet use electric installation «RMKL».

She allows to dry effectively a roof surface right after clearings of snow and to warm up old roofing cover on depth to 3-4 sm (approximately 7-10 layers). Thanks to it at the moment of surface cooling waterproofing properties bitumsoderzhaschego covers are restored. The electric power cost makes to 1,5 kw-h on 1 m І. Installation «RMKL» allows to dry an old carpet on small depth but if cover repair the moisture is not only in a carpet is conducted, but frequently in a coupler and a heater. A unique effective remedy of removal of this moisture and drying podkovrovogo spaces without removal of roofing cover is the system of a ventilated roof. Thus the bottom layer of a carpet should be executed from the continuous or punched rolled material. The layer from a continuous rolled material should have uniform dot or strip prikleyku, a component of 25-35 % of the area naplavlyaemoy surfaces. Raskatku panels it is better to provide along a roof slope. The bottom layer from the punched roofing material should be stacked dry. To paste a roof to the ferro-concrete basis it is necessary in the course of continuous prikleyki the second layer to bottom. The air layer under the bottom layer of a roofing carpet should be connected to outside air on eaves and in places of an adjunction of a roof to elements acting under a roof. Thus, it is necessary to apply the special rolled materials to the system of a "breathing" roof, allowing to execute a similar design of a roofing carpet or to use the special equipment for strip prikleyki naplavlyaemyih materials.

From materials manufactured now it is most known cteklomast with parootvodyaschim a layer — «Steklomast software». This material on a glass-fiber basis is developed specially for the system of "breathing" roofs. It happens two kinds: with bitumen integumentary weight («Steklomast software») and thermoplastic («Steklomast TPP»). Materials choose depending on a kind of works and a basis condition: or this system of roofs on the humidified bases, or repair of roofs with the humidified heater.

The second variant of the system of ventilated roofs is use of special electric cars (for example cars «Beams«) with which help paste panels of any naplavlyaemogo a material not on all surface, and strips. The heating block of such car contains three infra-red radiators. For management strip prikleyki it is enough to disconnect an average element.

The ventilated roof allows to dry for 1-3 summer months podkovrovoe space both again constructed, and a repaired roof and constantly to dry a heater during its operation. To reduction of influence of weather conditions apply the facilitated awning shelter representing a skeleton from metal pipes on which will pull a protective awning in the winter. The module in the sizes 5 h 4 h 2,5 (the area of 20 m І) is collected by team of roofers from 3 persons for 10-20 mines, then napuskom an awning connects it to the next module. Thus it is possible to close temporarily the plot of a roof necessary for management of works, during a bad weather. All system has windows for illumination and ventilation of a place of production of works. The complex of the equipment and technology give the chance to conduct works in the winter with minimum expenses of time and to receive a choice quality of roofing cover.

The basic scheme of the technological process executed by car «Beam«

  • prikatochnyiy the platen;
  • Irradiator;
  • Rolled roofing material;
  • The fused bitumen;
  • Infra-red irradiation;
  • The roof basis;
  • Zone of heating of the basis and pasted material.

(The directory «the Roof and a waterproofing», NTS «Stroyinform»)
V.Belevich, d.t.n., the member correspondent of Academy of housing and communal services, the manager. Department roofing, hydro-and teploizolyatsionnyih works;
D.Sidenko, k.t.n., the item nauch.sotr. Department (TSNIIOMTP);
K.Kulichihin, the director of Open Company «LEKO L» Source: the Newspaper "Building" #45 (2003)

It is introduced: on December, 02nd, 2003

Remont roofs in winter conditions with application of the equipment of infra-red radiation

Though roofing works are seasonal, in the winter often there is a necessity for their realisation, for the basic for following reasons: repair of a roof during the summer period is not finished and already after snow occurrence roof leakings are found out; it is necessary to finish roofing works of an under construction building urgently.

As the most difficult and responsible operations basis drying, and also uniform and sufficient heating of rolled materials in the winter are considered. At availability in a roofing carpt of cracks and stratifications it in cold conditions under the influence of a moisture becomes impregnated with water. If such carpet at repair not to dry, in the summer at heats on the repaired plots there will be swellings. At a label naplavlyaemyih rolled materials torches because of non-uniformity of heating of a cloth of a roll and the basis, and also low temperature of air the surface of pasted materials is fast cooled, there are many not glued places and quality of a label leaves much to be desired. An obligatory condition is prosushivanie a coupler and a heater for what it is necessary to arrange a ventilated ("breathing") roof. All it leads to fast failure of the roof made in the winter. For increase in efficiency of heating roofing naplavlyaemyih materials, improvement of adaptability to manufacture of production of roofing works the infra-red method of heating of an integumentary layer of bitumen and bitumno-polymeric materials is created. The equipment of infra-red radiation — electric, that has allowed to refuse use of fire torches. Materials heat up in rather closed volume created by the case of the equipment, an infra-red irradiation (fig. see). The surface of bitumno-polymeric materials does not heat up above 140-160°S therefore there is no it perezhoga, burning out and destruction. The heating elements radiating infra-red beams, heat up to 1000°S. Under condition of heating by material radiators in rather closed volume of heated up space influence of difference of temperatures of air (less than 10 % from temperature of heating of elements of infra-red radiation) considerably decreases.

Feature of a design of infra-red heaters and the equipment case is caused by that a surface of a pasted rolled material and the basis on which it is pasted, heats up in regular intervals and heating process comes to an end at optimum temperatures prikatkoy. Built in prikatochnyiy the shaft presses nagretyie surfaces prior to the beginning of their cooling, improving quality of gluing irrespective of an ambient temperature (fig. see). The electric equipment supplies efficiency of management roofing works at negative temperatures — to-10,-15°S, and under condition of application of awning shelter — to-30°S. Quality of works equally high at their fulfilment as in the summer, and in the winter. At management in their winter the important factor is quality of preparation and basis drying. For drying and sintering of a surface of an old carpet use electric installation «RMKL».

She allows to dry effectively a roof surface right after clearings of snow and to warm up old roofing cover on depth to 3-4 sm (approximately 7-10 layers). Thanks to it at the moment of surface cooling waterproofing properties bitumsoderzhaschego covers are restored. The electric power cost makes to 1,5 kw-h on 1 m І. Installation «RMKL» allows to dry an old carpet on small depth but if cover repair the moisture is not only in a carpet is conducted, but frequently in a coupler and a heater. A unique effective remedy of removal of this moisture and drying podkovrovogo spaces without removal of roofing cover is the system of a ventilated roof. Thus the bottom layer of a carpet should be executed from the continuous or punched rolled material. The layer from a continuous rolled material should have uniform dot or strip prikleyku, a component of 25-35 % of the area naplavlyaemoy surfaces. Raskatku panels it is better to provide along a roof slope. The bottom layer from the punched roofing material should be stacked dry. To paste a roof to the ferro-concrete basis it is necessary in the course of continuous prikleyki the second layer to bottom. The air layer under the bottom layer of a roofing carpet should be connected to outside air on eaves and in places of an adjunction of a roof to elements acting under a roof. Thus, it is necessary to apply the special rolled materials to the system of a "breathing" roof, allowing to execute a similar design of a roofing carpet or to use the special equipment for strip prikleyki naplavlyaemyih materials.

From materials manufactured now it is most known cteklomast with parootvodyaschim a layer — «Steklomast software». This material on a glass-fiber basis is developed specially for the system of "breathing" roofs. It happens two kinds: with bitumen integumentary weight («Steklomast software») and thermoplastic («Steklomast TPP»). Materials choose depending on a kind of works and a basis condition: or this system of roofs on the humidified bases, or repair of roofs with the humidified heater.

The second variant of the system of ventilated roofs is use of special electric cars (for example cars «Beams«) with which help paste panels of any naplavlyaemogo a material not on all surface, and strips. The heating block of such car contains three infra-red radiators. For management strip prikleyki it is enough to disconnect an average element.

The ventilated roof allows to dry for 1-3 summer months podkovrovoe space both again constructed, and a repaired roof and constantly to dry a heater during its operation. To reduction of influence of weather conditions apply the facilitated awning shelter representing a skeleton from metal pipes on which will pull a protective awning in the winter. The module in the sizes 5 h 4 h 2,5 (the area of 20 m І) is collected by team of roofers from 3 persons for 10-20 mines, then napuskom an awning connects it to the next module. Thus it is possible to close temporarily the plot of a roof necessary for management of works, during a bad weather. All system has windows for illumination and ventilation of a place of production of works. The complex of the equipment and technology give the chance to conduct works in the winter with minimum expenses of time and to receive a choice quality of roofing cover.

The basic scheme of the technological process executed by car «Beam«

  • prikatochnyiy the platen;
  • Irradiator;
  • Rolled roofing material;
  • The fused bitumen;
  • Infra-red irradiation;
  • The roof basis;
  • Zone of heating of the basis and pasted material.

(The directory «the Roof and a waterproofing», NTS «Stroyinform»)
V.Belevich, d.t.n., the member correspondent of Academy of housing and communal services, the manager. Department roofing, hydro-and teploizolyatsionnyih works;
D.Sidenko, k.t.n., the item nauch.sotr. Department (TSNIIOMTP);
K.Kulichihin, the director of Open Company «LEKO L» Source: the Newspaper "Building" #45 (2003)

It is introduced: on December, 02nd, 2003

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