DE3125868A1 - Air-supply and air-extraction element for subsequent installation into pitched roofs - Google Patents
Air-supply and air-extraction element for subsequent installation into pitched roofsInfo
- Publication number
- DE3125868A1 DE3125868A1 DE19813125868 DE3125868A DE3125868A1 DE 3125868 A1 DE3125868 A1 DE 3125868A1 DE 19813125868 DE19813125868 DE 19813125868 DE 3125868 A DE3125868 A DE 3125868A DE 3125868 A1 DE3125868 A1 DE 3125868A1
- Authority
- DE
- Germany
- Prior art keywords
- trussing
- sheet
- air
- ventilation
- supply
- 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.)
- Withdrawn
Links
- 238000000605 extraction Methods 0.000 title abstract 2
- 238000009434 installation Methods 0.000 title description 3
- 238000009423 ventilation Methods 0.000 claims abstract description 10
- 239000012528 membrane Substances 0.000 claims description 7
- 229920003023 plastic Polymers 0.000 claims description 2
- 229920002457 flexible plastic Polymers 0.000 claims 1
- 238000009420 retrofitting Methods 0.000 claims 1
- 238000009413 insulation Methods 0.000 abstract description 8
- 238000009833 condensation Methods 0.000 abstract description 3
- 230000005494 condensation Effects 0.000 abstract description 3
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 230000035515 penetration Effects 0.000 description 3
- 230000037431 insertion Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 201000009482 yaws Diseases 0.000 description 1
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
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Roof Covering Using Slabs Or Stiff Sheets (AREA)
- Tents Or Canopies (AREA)
Abstract
Description
Zu- und Abluftelement für geneigte Dächer zum nach-Supply and exhaust air element for pitched roofs to
träglichen Einbau Beim Bau von geneigten, mit Dachziegeln oder sonstigen Bedeckungsmaterialien zu versehenden Hausdächern sollen, um Wasserdampfkondensationsprobleme zu vermeiden, Zu- und Abluftöffnungen so angebracht sein, daß Luft unter der harten Bedachung, aber oberhalb einer evtl.Wearable installation When building inclined, with roof tiles or other Roofing materials to be covered are said to avoid water vapor condensation problems To avoid air intake and exhaust openings, be placed in such a way that air is under the hard Roofing, but above a possibly
vorhandenen Wärmedämrnung zirkulieren kann. Kondensierendes Wasser unterhalb der harten Bedachung führt zu einer Durchfeuchtung insbesondere der Wärmedämmschichten, die mit einer Durchfeuchtung ihre Wärmedämmeigenschaften weitgehend verlieren.existing thermal insulation can circulate. Condensing water below the hard roofing leads to moisture penetration, especially of the thermal insulation layers, which largely lose their thermal insulation properties with moisture penetration.
Zum Schutz gegen von außen eindringende Feuchtigkeit z.B. Flugschnee oder bei Beschädigungen der harten Bedachung ist heute üblicherweise unter der harten Bedachung, aufliegend auf den Sparren und damit oberhalb der Wärmedämmung eine Unterspannbahn angeordnet. Soweit Wasserdampf zwischen harten Bedachung und Unterspannbahn kondensiert, kann das anfallende Wasser über die Unterspannbahn zur Traufe hin abgeleitet werden, ohne Durchfeuchtigkeitsgefahren für die Wärmedämmung.To protect against moisture penetrating from the outside, e.g. flying snow or if the hard roof is damaged, it is usually under the hard roof today Roofing, lying on the rafters and thus a sarking membrane above the thermal insulation arranged. Insofar as water vapor condenses between the hard roofing and the roofing membrane, the accumulating water can be drained to the eaves via the underlay, without risk of moisture penetration for the thermal insulation.
Soweit Kondensationsgefahren zwischen Unterspannbahn und Wärmedämmung drohen, müssen diese durch Zu- und Abluft beseitigt werden.As much as there is a risk of condensation between the roofing membrane and the thermal insulation threaten, these must be eliminated by supply and exhaust air.
In der Baupraxis wird diese Belüftung der Dachkonstruktion bislang nicht ausreichend beobachtet. Um die dadurch aufgetretenen Schäden in Zukunft zu vermeiden, wird in dem Neuentwurf der DIN 4108, Teil 3 ausdrücklich vorgeschrieben, daß 200 qcm Belüftungsöffnung je Laufmeter an der Traufe erforderlich sind.In building practice, this ventilation of the roof structure has been used so far insufficiently observed. To avoid the damage that has occurred as a result in the future avoid, is expressly stipulated in the new draft of DIN 4108, Part 3, that 200 square centimeters of ventilation opening per running meter are required on the eaves.
Seit 1965 sind über 100 Mio. qm geneigte Dachflächen mit Unterspannbahnen unterspannt worden, wobei überwiegend die notwendigen Zu- bzw. Abluftöffnungen nicht angebracht worden sind.Since 1965 there are more than 100 million square meters of sloping roof areas with underlays underwent, although mostly the necessary air intake and exhaust openings are not have been attached.
Diese Erfindung macht es sich zur Aufgabe, zur Erfüllung der Forderungen der DIN 4108 Teil 3 ein definiertes Lüftungselement zu entwickeln, das zum nachträglichen Einbau geeignet ist, und garantiert, daß zu- und Abluft mit 200 qcm pro Laufmeter der Traufe ausgebildet werden. Das erfindungsgemäße Bauelement kann nachträglich durch Einschlitzen der Unterspannbahn sowohl in Höhe des Drempels bzw. der Fußpfette als auch in Firstnähe von innen ohne weitere Nebenarbeiten, von außen etwa bei ausgebauten Dächern durch Aufnehmen von zwei Pfannen eingebaut werden.This invention makes it its task to meet the demands of DIN 4108 Part 3 to develop a defined ventilation element that can be used subsequently Installation is suitable, and guarantees that supply and exhaust air with 200 square cm per linear meter the eaves are trained. The component according to the invention can subsequently by slitting the roof membrane both at the level of the jamb and the purlin as well as near the ridge from the inside without any additional work, from the outside, for example when the building is expanded Roofs can be installed by picking up two pans.
Bei dem erfindungsgemäßen Bauelement handelt es sich um ein Lüftungsteil mit Querstegen zur Stabilisierung und zum Schutz gegen einfliegende yWgel, vorzugsweise in den Abmessungen 4 x 20 cm, seitlich an den Schmalseiten mit offenen Dreiecken versehen, die in zusätzliche seitliche Kunststoffteile, die laschenförmig ausgebildet sind, auslaufen und somit ein Einschieben und Befestigen des Lüftungs- Bauelementes in eine schlitzförmige Öffnung der Unterspannbahn ermöglichen ohne zusätzliche mechanische Befestigung.The component according to the invention is a ventilation part with crossbars for stabilization and protection against flying yaws, preferably in the dimensions 4 x 20 cm, laterally on the narrow sides with open triangles provided that in additional lateral plastic parts that are tab-shaped are, run out and thus an insertion and fastening of the ventilation component in a slit-shaped opening of the roof membrane allow without additional mechanical Attachment.
(Zeichnung 1)(Drawing 1)
Claims (2)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19813125868 DE3125868A1 (en) | 1981-07-01 | 1981-07-01 | Air-supply and air-extraction element for subsequent installation into pitched roofs |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19813125868 DE3125868A1 (en) | 1981-07-01 | 1981-07-01 | Air-supply and air-extraction element for subsequent installation into pitched roofs |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE3125868A1 true DE3125868A1 (en) | 1983-01-20 |
Family
ID=6135808
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19813125868 Withdrawn DE3125868A1 (en) | 1981-07-01 | 1981-07-01 | Air-supply and air-extraction element for subsequent installation into pitched roofs |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE3125868A1 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2591255A1 (en) * | 1985-12-05 | 1987-06-12 | Braas & Co Gmbh | AERATION AND DESAERATION ELEMENT FOR ROOF ASSEMBLY BANDS |
| DE3630982A1 (en) * | 1986-09-11 | 1988-03-24 | Braas & Co Gmbh | FAN ELEMENT |
| GB2374092A (en) * | 2001-02-28 | 2002-10-09 | Easyvent Ltd | Roof ventilation |
| US20110111690A1 (en) * | 2009-11-12 | 2011-05-12 | Henderson John C | Roof Ventilation Apparatus |
| EP2556305A4 (en) * | 2010-04-06 | 2018-04-11 | Gregory S. Daniels | Ventilation system for roof |
-
1981
- 1981-07-01 DE DE19813125868 patent/DE3125868A1/en not_active Withdrawn
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2591255A1 (en) * | 1985-12-05 | 1987-06-12 | Braas & Co Gmbh | AERATION AND DESAERATION ELEMENT FOR ROOF ASSEMBLY BANDS |
| DE3630982A1 (en) * | 1986-09-11 | 1988-03-24 | Braas & Co Gmbh | FAN ELEMENT |
| GB2374092A (en) * | 2001-02-28 | 2002-10-09 | Easyvent Ltd | Roof ventilation |
| US20110111690A1 (en) * | 2009-11-12 | 2011-05-12 | Henderson John C | Roof Ventilation Apparatus |
| US9022845B2 (en) * | 2009-11-12 | 2015-05-05 | John C. Henderson | Roof ventilation apparatus |
| USRE47799E1 (en) | 2009-11-12 | 2020-01-07 | John C. Henderson | Roof ventilation apparatus |
| EP2556305A4 (en) * | 2010-04-06 | 2018-04-11 | Gregory S. Daniels | Ventilation system for roof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8130 | Withdrawal |