EP0450264B1 - Method for drying roofs - Google Patents

Method for drying roofs Download PDF

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Publication number
EP0450264B1
EP0450264B1 EP91100351A EP91100351A EP0450264B1 EP 0450264 B1 EP0450264 B1 EP 0450264B1 EP 91100351 A EP91100351 A EP 91100351A EP 91100351 A EP91100351 A EP 91100351A EP 0450264 B1 EP0450264 B1 EP 0450264B1
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EP
European Patent Office
Prior art keywords
hoses
pipes
air
apertures
roofs
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP91100351A
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German (de)
French (fr)
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EP0450264A3 (en
EP0450264A2 (en
Inventor
Karoline Bayer
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Getro Gebaudetrocknungs GmbH
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Getro Gebaudetrocknungs GmbH
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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
    • E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage ; Sky-lights
    • E04D13/17—Ventilation of roof coverings not otherwise provided for
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
    • E04B1/70—Drying or keeping dry, e.g. by air vents
    • E04B1/7069—Drying or keeping dry, e.g. by air vents by ventilating
    • E04B1/7092—Temporary mechanical ventilation of damp layers, e.g. insulation of a floating floor

Definitions

  • the invention relates to a method for drying roofs, with profiled sheets, in particular corrugated or trapezoidal sheets, arranged below the insulation, by suctioning and / or pressing in air.
  • German patents 33 06 044 and 33 06 045 to press in dry air at the edges of the screed and to suck off the moist air, so that there is no need for holes in the screed. This method cannot be used for roofs where the edges are accessible only with great effort.
  • the object of the invention is to provide a method for roofs of the type mentioned, which leaves the roof edges and the roof covering layer untouched.
  • This object is achieved in that at least two openings are made from below in the sheets in the region of the downwardly projecting waves or trapezoids, to which hoses and / or pipes for the vacuum or compressed air are attached.
  • both the water accumulated above the sheet metal can be removed and the insulation layers located above the sheet metal can be dehumidified. All moisture is removed with great certainty and there is no need to attack the edges of the roof or the top layer of the roof. Optimal results are achieved with little effort.
  • the openings in the sheets can be made very small, so that they are no longer noticeable, especially after they are covered. The stability of the sheets is also not reduced.
  • Hoses and pipes can be attached particularly easily and securely if the openings are provided with an internal thread.
  • the hoses with external thread end pieces or the pipes with external thread can be screwed into the openings. It is particularly advantageous if the end pieces are threaded pipes. Furthermore, the hoses can be attached to the end pieces by clamps.
  • the openings be closed by caps or lids after drying.
  • the caps or lids can have sealing rings. It is also advantageous if the caps or lids have an external thread.
  • a particularly load-bearing corrugated or trapezoidal sheet 1 arranged on the underside of a roof has downwardly projecting corrugations or trapezoids, which are referred to below as beads 2 and normally run parallel to one another over the entire length or width of the roof.
  • beads 2 In the bottom 3 of each bead 2 are certain Distances openings 4 drilled, which are preferably provided with an internal thread.
  • hoses or threaded pipes 5 are screwed into the openings 4 from below.
  • hoses 7 are fastened with hose clips, which are pushed over the threaded pipes 5.
  • hoses 7 At the free ends of the hoses 7, end pieces or threaded pipes 5 are in turn fastened by hose clamps 6, so that threaded pipes 5 protrude at the lower ends of the hoses 7, which are screwed into lateral threaded bores 8 of a pipe 9. Dry air is supplied to the hoses 7 and moist air is removed through this tube.
  • the number of hoses and pipes 9 are selected depending on the extent of the moisture penetration of the roof. Usually there are at least two pipes 9, i.e. a first, through which dry air is pressed in via hoses 7, and a second pipe 9, through which the moist air is simultaneously sucked out via further hoses 7.
  • At least one blower and advantageously also a dryer are connected to the pipes 9. Instead of a dryer, the moist air can also be led outside. It is particularly advantageous if the air is circulated through the openings, the blower and in particular the dryer.
  • the openings 4 can be closed by caps or lids, which preferably have an external thread and sealing rings.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Drying Of Solid Materials (AREA)
  • Processing Of Solid Wastes (AREA)
  • Roof Covering Using Slabs Or Stiff Sheets (AREA)

Abstract

The invention relates to a method for drying roofs, having profiled metal sheets, in particular corrugated or trapezoidal sheets, arranged under the insulation, by sucking out air and/or forcing it in, openings, to which hoses and/or tubes for the vacuum or compressed air are fixed, being introduced from below into the sheets in the region of the downwardly projecting corrugations or trapeziums. <IMAGE>

Description

Die Erfindung betrifft ein Verfahren zum Trocknen von Dächern, mit unterhalb der Dämmung angeordneten profilierten Blechen, insbesondere Well- oder Trapezblechen, durch Absaugen und/oder Eindrücken von Luft.The invention relates to a method for drying roofs, with profiled sheets, in particular corrugated or trapezoidal sheets, arranged below the insulation, by suctioning and / or pressing in air.

Aus der britischen Patentschrift 10 18 664 ist es bekannt, durch Einleiten von Trockenluft Schichten eines Flachdachs zu trocknen, die unterhalb der Deckschicht des Flachdachs sich befinden. Hierzu wird an einem Rand der Deckschicht die trockene Luft eingedrückt und am gegenüberliegenden Rand die feuchte Luft abgesaugt. Dieses Verfahren ist bei solchen Dächern nicht anwendbar, bei denen die Ränder ohne größeren Aufwand nicht zugänglich sind.From British Patent 10 18 664 it is known to dry layers of a flat roof by introducing dry air, which are located below the top layer of the flat roof. For this purpose, the dry air is pressed in at one edge of the cover layer and the moist air is extracted at the opposite edge. This method cannot be used on roofs where the edges are not accessible without great effort.

Aus der deutschen Offenlegungsschrift 30 43 646 ist es bekannt, die unter einem Estrich liegende Dämmschicht dadurch zu trocknen, daß in den Estrich Öffnungen gebohrt werden, durch die die Trockenluft in den Bereich unterhalb des Estrichs eingedrückt wird. Ein solches Verfahren würde, angewandt auf Dächer, dazu führen, daß die obere Deckschicht durchbohrt werden muß, so daß die Gefahr besteht, daß nach der Behandlung die Deckschicht undicht ist.From German Offenlegungsschrift 30 43 646 it is known to dry the insulating layer under a screed by drilling openings in the screed through which the dry air into the area below of the screed is pressed in. Such a method, applied to roofs, would result in the upper covering layer having to be drilled through, so that there is a risk that the covering layer will leak after the treatment.

Ferner ist es aus den deutschen Patentschriften 33 06 044 und 33 06 045 bekannt, an den Rändern des Estrichs trockene Luft einzudrücken und die feuchte Luft abzusaugen, so daß Bohrungen im Estrich sich erübrigen. Dieses Verfahren ist bei den Dächern nicht anwendbar, bei denen die Ränder nur unter größerem Aufwand zugänglich sind.Furthermore, it is known from German patents 33 06 044 and 33 06 045 to press in dry air at the edges of the screed and to suck off the moist air, so that there is no need for holes in the screed. This method cannot be used for roofs where the edges are accessible only with great effort.

Aus der US-A-4 778 014 ist schließlich ein Verfahren und eine Vorrichtung zum Einbringen von Ventilationsöffnungen in die mit Well- oder Trapezblechen versehene Unterseite von Dächern bekannt. Dieses Dokument offenbart ein Verfahren, das eine Anzahl von Schlitzen in die Well- oder Trapezbleche einbringt, durch die die Feuchtigkeit aus der darüberliegenden Isolationsschicht mittels Diffusion austreten kann. Es ist nicht vorgesehen, die Isolationsschicht durch Einblasen oder Absaugen von Luft zu trocknen.From US-A-4 778 014, finally, a method and a device for introducing ventilation openings into the underside of roofs provided with corrugated or trapezoidal sheets is known. This document discloses a method which introduces a number of slots into the corrugated or trapezoidal sheets through which the moisture can escape from the overlying insulation layer by means of diffusion. It is not intended to dry the insulation layer by blowing in or sucking out air.

Aufgabe der Erfindung ist es, bei Dächern der eingangs genannten Art ein Verfahren zur Verfügung zu stellen, das die Dachränder und die Dachdeckschicht unberührt läßt.The object of the invention is to provide a method for roofs of the type mentioned, which leaves the roof edges and the roof covering layer untouched.

Diese Aufgabe wird erfindungsgemäß dadurch gelöst, daß in die Bleche im Bereich der nach unten vorstehenden Wellen bzw. Trapeze wenigstens zwei Öffnungen von unten eingebracht werden, an die Schläuche und/oder Rohre für die Unterdruck- oder Druckluft befestigt werden.This object is achieved in that at least two openings are made from below in the sheets in the region of the downwardly projecting waves or trapezoids, to which hoses and / or pipes for the vacuum or compressed air are attached.

Durch die im Blech angebrachten Öffnungen können sowohl das über dem Blech angesammelte Wasser entfernt als auch die über dem Blech befindlichen Dämmschichten entfeuchtet werden. Die gesamte Feuchtigkeit wird mit großer Sicherheit vollkommen entfernt, und es brauchen weder die Ränder des Daches noch die Deckschicht des Daches angegriffen zu werden. Bei geringem Arbeitsaufwand werden optimale Ergebnisse erzielt. Die in den Blechen befindlichen Öffnungen können sehr klein ausgeführt sein, so daß sie insbesondere nach ihrer Abdeckung nicht mehr auffallen. Auch wird die Stabilität der Bleche nicht verringert.Through the openings made in the sheet metal, both the water accumulated above the sheet metal can be removed and the insulation layers located above the sheet metal can be dehumidified. All moisture is removed with great certainty and there is no need to attack the edges of the roof or the top layer of the roof. Optimal results are achieved with little effort. The openings in the sheets can be made very small, so that they are no longer noticeable, especially after they are covered. The stability of the sheets is also not reduced.

Besonders leicht lassen sich Schläuche und Rohre sicher und dicht befestigen, wenn die Öffnungen mit einem Innengewinde versehen werden. Hierbei können in die Öffnungen die Schläuche mit Außengewinde-Endstücken oder die Rohre mit Außengewinde eingeschraubt werden. Besonders vorteilhaft ist es, wenn die Endstücke Gewinderohre sind. Ferner können die Schläuche an die Endstücke durch Schellen befestigt werden.Hoses and pipes can be attached particularly easily and securely if the openings are provided with an internal thread. The hoses with external thread end pieces or the pipes with external thread can be screwed into the openings. It is particularly advantageous if the end pieces are threaded pipes. Furthermore, the hoses can be attached to the end pieces by clamps.

Vorzugsweise wird vorgeschlagen, daß die Öffnungen nach dem Trocknen durch Kappen oder Deckel verschlossen werden. Hierbei können die Kappen oder Deckel Dichtungsringe aufweisen. Auch ist es von Vorteil, wenn die Kappen oder Deckel ein Außengewinde aufweisen.It is preferably proposed that the openings be closed by caps or lids after drying. The caps or lids can have sealing rings. It is also advantageous if the caps or lids have an external thread.

Besonders vorteilhaft ist es, wenn an die Schläuche oder Rohre mindestens ein Gebläse angeschlossen ist. Auch ist es von Vorteil, wenn an die Schläuche oder Rohre mindestens ein Trockner angeschlossen ist. Vorzugsweise wird vorgeschlagen, daß die Luft über die Öffnungen, das Gebläse und insbesondere den Trockner im Kreislauf geführt wird, so daß Gebäuderäume nicht mit Feuchtigkeit belastet werden. Alternativ kann hierzu auch die feuchte Luft nach außen geführt werden.It is particularly advantageous if at least one blower is connected to the hoses or pipes. It is also advantageous if at least one dryer is connected to the hoses or pipes. It is preferably proposed that the air is circulated through the openings, the blower and in particular the dryer, so that building rooms are not burdened with moisture. Alternatively, the moist air can also be led outside.

Ein Ausführungsbeispiel des erfindungsgemäßen Verfahrens ist in der Zeichnung dargestellt und wird im folgenden einschließlich Alternativen beschrieben.An embodiment of the method according to the invention is shown in the drawing and is described below, including alternatives.

Ein an der Unterseite eines Daches angeordnetes insbesondere tragendes Well- oder Trapezblech 1 weist nach unten vorstehende Wellen bzw. Trapeze auf, die im folgenden Sicken 2 genannt werden und normalerweise parallel nebeneinander über die gesamte Länge oder Breite des Daches laufen. In den Boden 3 jeder Sicke 2 werden in bestimmten Abständen Öffnungen 4 eingebohrt, die vorzugsweise mit einem Innengewinde versehen werden.A particularly load-bearing corrugated or trapezoidal sheet 1 arranged on the underside of a roof has downwardly projecting corrugations or trapezoids, which are referred to below as beads 2 and normally run parallel to one another over the entire length or width of the roof. In the bottom 3 of each bead 2 are certain Distances openings 4 drilled, which are preferably provided with an internal thread.

In die Öffnungen 4 werden Endstücke von Schläuchen oder Gewinderohre 5 von unten eingeschraubt. An diese nach unten vorstehenden Gewinderohre 5 werden mit Schlauchschellen 6 Schläuche 7 befestigt, die über die Gewinderohre 5 geschoben werden.End pieces of hoses or threaded pipes 5 are screwed into the openings 4 from below. At these downwardly protruding threaded pipes 5 6 hoses 7 are fastened with hose clips, which are pushed over the threaded pipes 5.

An den freien Enden der Schläuche 7 sind wiederum Endstücke oder Gewinderohre 5 durch Schlauchschellen 6 befestigt, so daß an den unteren Enden der Schläuche 7 Gewinderohre 5 vorstehen, die in seitlichen Gewindebohrungen 8 eines Rohres 9 eingeschraubt sind. Durch dieses Rohr wird den Schläuchen 7 trockene Luft zugeführt bzw. feuchte Luft abgeführt. Je nach dem Ausmaß der Durchfeuchtung des Daches werden die Anzahl der Schläuche und Rohre 9 gewählt. Normalerweise bestehen mindestens zwei Rohre 9, d.h. ein erstes, durch das trockene Luft über Schläuche 7 eingedrückt wird, und ein zweites Rohr 9, durch das gleichzeitig die feuchte Luft über weitere Schläuche 7 abgesaugt wird. Hierbei sind an die Rohre 9 mindestens ein Gebläse und vorteilhafterweise auch ein Trockner angeschlossen. Statt eines Trockners kann aber auch die feuchte Luft nach außen geführt werden. Besonders vorteilhaft ist es, wenn die Luft über die Öffnungen, das Gebläse und insbesondere den Trockner im Kreislauf geführt wird.At the free ends of the hoses 7, end pieces or threaded pipes 5 are in turn fastened by hose clamps 6, so that threaded pipes 5 protrude at the lower ends of the hoses 7, which are screwed into lateral threaded bores 8 of a pipe 9. Dry air is supplied to the hoses 7 and moist air is removed through this tube. The number of hoses and pipes 9 are selected depending on the extent of the moisture penetration of the roof. Usually there are at least two pipes 9, i.e. a first, through which dry air is pressed in via hoses 7, and a second pipe 9, through which the moist air is simultaneously sucked out via further hoses 7. At least one blower and advantageously also a dryer are connected to the pipes 9. Instead of a dryer, the moist air can also be led outside. It is particularly advantageous if the air is circulated through the openings, the blower and in particular the dryer.

Nach dem Trocknen des Daches und der Demontage der Schläuche 7 und der Rohre 9 können die Öffnungen 4 durch Kappen oder Deckel verschlossen werden, die vorzugsweise ein Außengewinde und Dichtungsringe aufweisen.After the roof has dried and the hoses 7 and the pipes 9 have been dismantled, the openings 4 can be closed by caps or lids, which preferably have an external thread and sealing rings.

Claims (12)

  1. Method of drying roofs with profiled metal sheets (1), in particular corrugated or trapezoidal metal sheets, disposed underneath the insulation, by the sucking-off and/or forcing-in of air, characterised in that there are introduced into the metal sheets (1) from below, in the region of the downwardly protruding corrugations or trapezoids (2), at least two apertures (4) to which hoses (7) and/or pipes for the suction air or compressed air are fastened.
  2. Method according to claim 1, characterised in that the apertures (4) are provided with an internal thread.
  3. Method according to claim 2, characterised in that the hoses (7) are screwed by means of external-thread end pieces (5), or the pipes by means of external threads, into the apertures.
  4. Method according to claim 3, characterised in that the end pieces are threaded pipes (5).
  5. Method according to claim 3 or 4, characterised in that the hoses (7) are fastened to the end pieces (5) by clamps (6).
  6. Method according to one of the preceding claims, characterised in that the apertures (4) are closed, after the drying operation, by caps or lids.
  7. Method according to claim 6, characterised in that the caps or lids have sealing rings.
  8. Method according to claim 6 or 7, characterised in that the caps or lids have an external thread.
  9. Method according to one of the preceding claims, characterised in that at least one blower is connected to the hoses (7) or pipes.
  10. Method according to one of the preceding claims, characterised in that at least one dryer is connected to the hoses (7) or pipes.
  11. Method according to claim 9 or 10, characterised in that the air is conducted in a circuit via the apertures, the blower and, in particular, the dryer.
  12. Method according to claim 9 or 10, characterised in that the moist air is conducted towards the outside.
EP91100351A 1990-03-31 1991-01-12 Method for drying roofs Expired - Lifetime EP0450264B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4010358 1990-03-31
DE4010358 1990-03-31

Publications (3)

Publication Number Publication Date
EP0450264A2 EP0450264A2 (en) 1991-10-09
EP0450264A3 EP0450264A3 (en) 1991-12-11
EP0450264B1 true EP0450264B1 (en) 1996-10-30

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ID=6403460

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91100351A Expired - Lifetime EP0450264B1 (en) 1990-03-31 1991-01-12 Method for drying roofs

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EP (1) EP0450264B1 (en)
AT (1) ATE144809T1 (en)
DE (1) DE59108309D1 (en)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3306045C2 (en) * 1983-02-22 1989-02-02 Getro Gebäudetrocknungs-GmbH, 4056 Schwalmtal Process for drying layers beneath screed floors, especially insulating layers
US4778014A (en) * 1985-05-20 1988-10-18 Vent-A-Deck Ventilating means
US4706418A (en) * 1986-08-26 1987-11-17 Industrial Research Development, Inc. Roofing cant
EP0270715A1 (en) * 1986-11-12 1988-06-15 Gérard Fauqueur Method of drying a wall and water repelling solution application apparatus for carrying out said method
US4757654A (en) * 1987-02-13 1988-07-19 The United States Of America As Represented By The Secretary Of The Army Blister pressure relief valve

Also Published As

Publication number Publication date
EP0450264A3 (en) 1991-12-11
EP0450264A2 (en) 1991-10-09
DE59108309D1 (en) 1996-12-05
ATE144809T1 (en) 1996-11-15

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