EP2447438A2 - Instantané avec fixation de fermeture, étanchéité de la connexion de la toiture pour une structure de pénétration du toit et avec un encliquetage élastique - Google Patents

Instantané avec fixation de fermeture, étanchéité de la connexion de la toiture pour une structure de pénétration du toit et avec un encliquetage élastique Download PDF

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Publication number
EP2447438A2
EP2447438A2 EP20110187210 EP11187210A EP2447438A2 EP 2447438 A2 EP2447438 A2 EP 2447438A2 EP 20110187210 EP20110187210 EP 20110187210 EP 11187210 A EP11187210 A EP 11187210A EP 2447438 A2 EP2447438 A2 EP 2447438A2
Authority
EP
European Patent Office
Prior art keywords
flashing
members
socket
bulge
roof
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Withdrawn
Application number
EP20110187210
Other languages
German (de)
English (en)
Inventor
Waclaw Majoch
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.)
Fakro PP Sp zoo
Original Assignee
Fakro PP Sp zoo
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Fakro PP Sp zoo filed Critical Fakro PP Sp zoo
Publication of EP2447438A2 publication Critical patent/EP2447438A2/fr
Withdrawn legal-status Critical Current

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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
    • E04D13/14—Junctions of roof sheathings to chimneys or other parts extending above the roof
    • E04D13/147—Junctions of roof sheathings to chimneys or other parts extending above the roof specially adapted for inclined roofs
    • E04D13/1473—Junctions of roof sheathings to chimneys or other parts extending above the roof specially adapted for inclined roofs specially adapted to the cross-section of the parts extending above the roof
    • E04D13/1475—Junctions of roof sheathings to chimneys or other parts extending above the roof specially adapted for inclined roofs specially adapted to the cross-section of the parts extending above the roof wherein the parts extending above the roof have a generally rectangular cross-section

Definitions

  • the object of the invention is a flashing, sealing the connection of the roofing to the roof-penetrating structure, consisting of thin-walled profiled members, connected together during assembly.
  • a method of flashing assembly is known from previous solutions, in which the bottom member has a plastic mass glued from the bottom, which enables the flashing to be glued to the roofing, thus the weather tightness of the joint is ensured.
  • the assembly of the flashing starts with placing the bottom member, which is secured to the frame of the structure penetrating the roof slope with small nails or screws.
  • a lead apron is fitted to the shape of the roofing.
  • the other members are installed in the order from top to bottom, in addition every part of the flashing partially overlaps the member below on the basis of fitting together a caving in one member to a bulging in the next one.
  • the side members may be multipartite, subject to the length of the roof-penetrating structure. Most often they are secured to window frame sides and to battens.
  • the top member which requires additional fastening, finishes the assembly of the flashing. In the existing solutions it is secured directly to the window frame with nails or screws.
  • the object of the invention is a flashing, profiled from a flat thin material, joining the roof-penetrating building structure, in particular a skylight or a roof hatch, to the roofing, easy to install and providing a durable and efficient connection of the members together without the need to use additional fasteners and tools.
  • a characteristic feature of the invention are springy snaps shaped directly in the flashing members, on overlapping surfaces.
  • the snaps basically facilitate and expedite the flashing assembly by elimination of both additional fasteners and tools.
  • the only assembly-related activities are manual fitting and clamping of successively overlapping members along the indicated edges, on which the snaps are formed.
  • An advantage of the solution proposed is first of all immediate after clamping, durable and effective connection of flashing members together. After assembly and snapping the last closing member, a rigid complete flashing is formed. This flashing, by its matching shape, adjoins the roofing and the roof-penetrating structure rigidly and durably.
  • the solution proposed leads to savings in time and labour.
  • the solution proposed is exceptionally advantageous, e.g. in the cases of sets with two or more skylights installed next to each other in a short distance, making the application of classic flashings with fasteners difficult or impossible. It may also allow the required distance between windows to be shortened. An unquestionable advantage of the solution presented is also the possibility of multiple assembly and dismantling of flashing components if necessary.
  • a flashing most often comprises three types of components profiled from a flat, thin and deformable material.
  • These components are formed from a flat shape, generally are L-shaped, fitting the roof-penetrating structure.
  • the arm parallel to the roof slope they have one or advantageously more ridges, formed longitudinally to the roof inclination direction, for efficient discharge of rainwater and to seal the connection to the roofing.
  • the arm adjoining the roof-penetrating structure is usually flat or in the case of a different shape of this structure, it is fitted to its profile.
  • the bottom member embraces the whole bottom edge of the roof-penetrating structure and a part of side edges.
  • the top member embraces the whole top edge of the roof-penetrating structure and a part of side edges.
  • Both the bottom and the top flange in the areas of their connection to the side members have geometrically similar edges, overlapping during the assembly. Most often during assembly the mating members are put on each other, next they are secured to the structure, e.g. a skylight frame with screws or nails.
  • a new feature that distinguishes the proposed solution is the use of a snap connection of a couple of members together, using the natural elasticity of the flange material, in addition this connection is accomplished by a socket formed in one member and a bulge in the other one.
  • the socket is advantageously formed in the member, which in the overlapping joint is the bottom member, while the bulge is formed in the top member.
  • Both the socket and the bulge have a shape fitted to each other and are advantageously located on elastically deformable edges adjoining the roof-penetrating structure in a manner that enables them to be elastically deformed and the bulge to be put into the socket during assembly.
  • the maximum cross-wise dimension of the socket and bulge is limited by the limit of elasticity of the arm on which they are located.
  • the socket is advantageously a concavity profiled on the whole length of the anticipated connection of members, whereas the bulging in the mating member may be made either in a similar manner as the concavity, on the whole length of the connection or on its part.
  • the arm that is parallel to the roof slope should be so formed that it has a member placed in parallel to the arm adjoining the roof-penetrating structure, on which the snap members are located.
  • the profile draining ridges may be utilised.
  • the assembly and joining of the flashing members together consists in putting one member onto the other one so that the bulge is placed directly over the socket, and next pressed manually to place the bulge elastically in the socket.
  • the ridges of both members overlap, blocking their mutual shift crosswise.
  • a large contact area and a sufficient mutual pressure force allow the members to be securely and efficiently friction joined.
  • Longitudinal profiles of the snaps allow the members to shift against each other before they are snapped during the assembly and the flushing to be precisely fitted to the dimensions of the roof-penetrating structure, which is a considerable advantage of the solution proposed.
  • the shape of the socket-bulge couple must prevent uncontrolled parting of the members, either by the weather or an accidental action of people or animals.
  • the snap profiles with a semi-circular, trapezoidal and triangular shape proposed in the solution provide such security. However it does not restrict the possibility of using different profiles, ensuring the effective operation of the snap.
  • a socket in a solution like this is a local concavity advantageously shaped regularly, while a bulge is a geometrically similar figure in the mating member.
  • a solution like this blocks all degrees of freedom of a mutual movement of the two members connected. When needed, more socket-bulge couples may be used in the area of member connection. This solution limits the possibility of longitudinal adjustment of reciprocal member position.
  • the flashing acc. to the invention is presented in fig. 1 . It usually consists of four main members, made of a flat metal sheet shape, lap joined towards the roof inclination:
  • the length of the side members 2 may be changed when needed, for adjustment of the longitudinal dimension of the flashing. Also more side members 2 may be applied.
  • the used member names result from their situation on an inclined flat roof slope understood customarily.
  • the bottom flange 1 in the places of connection to the side members 2 has on a certain length longitudinal sockets 4 or the bottom flange 1, into which the bulges 5 of the side members 2 are snap pressed.
  • Each lap joint in the flashing shown in a cross-section crossing the lap joint in fig. 2 forms a socket-bulge joint couple, in which the socket 4 is formed in the member that in the lap joint is the bottom member A, while the bulge 5 is formed in the top member B.
  • the side arm of the bottom flange 1 adjoining the roof-penetrating structure and the socket formed in the arm are elastically deformable, which is used for snap joining of A and B members.
  • a ridge 6 is used as the snap opposite bearing surface, and this ridge is a standard component of the flushing, known in the market.
  • the ridge 6 formed on the whole length of the side member 2 is put onto the ridge in the bottom flange 1.
  • the bulges 5 of the side members 2 may be made either on the anticipated length of the lap joint of the bottom flange1 to the side member 2 or advantageously on the whole length of the side member 2. In this case a profile is formed, in which the bulge 5 in the side member performs a function of the socket 4 for the bulge 5 of the top flange 3.
  • the principle of their connection is identical as in the above described case utilising one side member 2.
  • the socket-bulge snap couple profiles proposed in the solutions, shown in fig. 2 may have a trapezoidal a, triangular b or semi-circular c shape. Other profiles may be used, providing comparably effective connection of the flushing members.
  • the trapezoidal shape a is the most effective solution of the snap, however more difficulties should be taken into account if the joint were to be dismantled.
  • the height of the bulge 5 is so adjusted that its angular displacement during assembly does not exceed the member limit of elasticity. However it does not restrict the possibility of using different profiles, ensuring the effective operation of the snap. This securing system ensures stiffening of the connection of individual members of the flashing and a complete blockade of the movement of the members against each other.
  • the flashing with basically the same shape uses a longitudinal profile of the snap in the Z shape.
  • a skew arm 7 of the bottom member A in the lap joint is the member that is manually elastically deflected against the base plane.
  • the skew arm 7 in the bottom flange 1 is the deflected arm
  • the side member 2 - the top flange 3 the skew arm 7 in the side member 2 is deflected.
  • the angle ⁇ of inclination of the skew arm 7 and the arm 8 against the base plane is advantageously selected so that during assembly its deflection in the direction shown by the arrow in fig. 3 is within the material elasticity and does not leas to its permanent set.
  • the ridge 6 is used, as in the first example of the invention.
  • the top member B attached in the skew arm 7 After pressing the top member B attached in the skew arm 7 returns to its natural position and adjoining the similarly shaped arm 8 in the bottom member A it causes a permanent pressure of the both flashing members connected to each other, as shown in fig. 4 .
  • a joint formed this way is durable and its securing is sure, at the same time it enables the flashing to be dismantled fast and without destruction.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Roof Covering Using Slabs Or Stiff Sheets (AREA)
EP20110187210 2010-10-29 2011-10-29 Instantané avec fixation de fermeture, étanchéité de la connexion de la toiture pour une structure de pénétration du toit et avec un encliquetage élastique Withdrawn EP2447438A2 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PL392795A PL223391B1 (pl) 2010-10-29 2010-10-29 Kołnierz uszczelniający połączenie pokrycia dachowego z konstrukcją przenikającą przez dach wyposażony w zatrzaskowe połączenie elementów kołnierza

Publications (1)

Publication Number Publication Date
EP2447438A2 true EP2447438A2 (fr) 2012-05-02

Family

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Family Applications (1)

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EP20110187210 Withdrawn EP2447438A2 (fr) 2010-10-29 2011-10-29 Instantané avec fixation de fermeture, étanchéité de la connexion de la toiture pour une structure de pénétration du toit et avec un encliquetage élastique

Country Status (2)

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EP (1) EP2447438A2 (fr)
PL (1) PL223391B1 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20140259973A1 (en) * 2013-03-15 2014-09-18 Certainteed Corporation Roofing Flashings And Roofing Systems And Photovoltaic Roofing Systems Using The Same
DK201570108A1 (en) * 2015-02-26 2016-09-12 Vkr Holding As Flashing arrangement for a window, window with a flashing arrangement, and method of providing a weather-tight transition between a window and surrounding roofing with such a flashing arrangement
EP3031997A3 (fr) * 2014-12-10 2017-01-11 Alexander Degen Systeme de chassis d'ouvertures sur des toits
EP3323957A1 (fr) * 2016-11-21 2018-05-23 FAKRO PP Sp. z o.o. Bride d'étanchéité
AU2020474030B2 (en) * 2020-12-16 2024-01-04 Sekisui House, Ltd. Flashing member

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
PL407775A1 (pl) 2014-04-02 2015-10-12 Fakro Pp Spółka Z Ograniczoną Odpowiedzialnością Kołnierz uszczelniający

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2142733A1 (de) 1971-08-26 1973-03-15 Hoesch Ag Fensterkasten mit teilweise zerlegbarem eindeckkragen, insbesondere fuer wohnraum-dachfenster
GB2430943A (en) 2005-09-21 2007-04-11 Viridian Concepts Ltd Roof penetrating structure for incorporating into a roof

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2142733A1 (de) 1971-08-26 1973-03-15 Hoesch Ag Fensterkasten mit teilweise zerlegbarem eindeckkragen, insbesondere fuer wohnraum-dachfenster
GB2430943A (en) 2005-09-21 2007-04-11 Viridian Concepts Ltd Roof penetrating structure for incorporating into a roof

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20140259973A1 (en) * 2013-03-15 2014-09-18 Certainteed Corporation Roofing Flashings And Roofing Systems And Photovoltaic Roofing Systems Using The Same
US9356174B2 (en) * 2013-03-15 2016-05-31 Certainteed Corporation Roofing flashings and roofing systems and photovoltaic roofing systems using the same
EP3031997A3 (fr) * 2014-12-10 2017-01-11 Alexander Degen Systeme de chassis d'ouvertures sur des toits
DK201570108A1 (en) * 2015-02-26 2016-09-12 Vkr Holding As Flashing arrangement for a window, window with a flashing arrangement, and method of providing a weather-tight transition between a window and surrounding roofing with such a flashing arrangement
EP3323957A1 (fr) * 2016-11-21 2018-05-23 FAKRO PP Sp. z o.o. Bride d'étanchéité
AU2020474030B2 (en) * 2020-12-16 2024-01-04 Sekisui House, Ltd. Flashing member

Also Published As

Publication number Publication date
PL223391B1 (pl) 2016-10-31
PL392795A1 (pl) 2012-05-07

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