EP1460196A1 - Dachelement aus Metallprofilblech - Google Patents

Dachelement aus Metallprofilblech Download PDF

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Publication number
EP1460196A1
EP1460196A1 EP04388023A EP04388023A EP1460196A1 EP 1460196 A1 EP1460196 A1 EP 1460196A1 EP 04388023 A EP04388023 A EP 04388023A EP 04388023 A EP04388023 A EP 04388023A EP 1460196 A1 EP1460196 A1 EP 1460196A1
Authority
EP
European Patent Office
Prior art keywords
coating
roofing element
layers
total weight
element according
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Withdrawn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
EP04388023A
Other languages
English (en)
French (fr)
Inventor
Jan Damgaard
Armand De Giorgi
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.)
Icopal AS
Original Assignee
Icopal AS
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 Icopal AS filed Critical Icopal AS
Publication of EP1460196A1 publication Critical patent/EP1460196A1/de
Withdrawn legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
    • E04D1/00—Roof covering by making use of tiles, slates, shingles, or other small roofing elements
    • E04D1/26—Strip-shaped roofing elements simulating a repetitive pattern, e.g. appearing as a row of shingles
    • E04D1/265—Strip-shaped roofing elements simulating a repetitive pattern, e.g. appearing as a row of shingles the roofing elements being rigid, e.g. made of metal, wood or concrete
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
    • E04D1/00—Roof covering by making use of tiles, slates, shingles, or other small roofing elements
    • E04D1/02—Grooved or vaulted roofing elements
    • E04D1/06—Grooved or vaulted roofing elements of metal
    • 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
    • E04D13/008—Provisions for reducing rain noise
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
    • E04D3/00—Roof covering by making use of flat or curved slabs or stiff sheets
    • E04D3/24—Roof covering by making use of flat or curved slabs or stiff sheets with special cross-section, e.g. with corrugations on both sides, with ribs, flanges, or the like
    • E04D3/30—Roof covering by making use of flat or curved slabs or stiff sheets with special cross-section, e.g. with corrugations on both sides, with ribs, flanges, or the like of metal

Definitions

  • the present invention relates to a roofing element having a metallic central core.
  • roofing elements with a metallic core for covering small size building structures such as garages or shacks.
  • large size corrugated galvanized metal plates are often used.
  • vaulted metal tiles that simulate traditional ceramic tiles are well-known, one product being marketed under the trade name Decra® and another being disclosed in W098/29619 and in EP 1 253 260.
  • the present invention aims at providing an improved roofing element which is preferably formed on the basis of a flat metal plate which is provided with a desired shape, such as that of a traditional vaulted ceramic tile, and which is treated in a cost-effective way to reduce noise generated by falling rain.
  • This problem is solved in accordance with claim 1 in that at the roofing element has least one upper uniform layer of coating and at least one lower uniform layer of coating, the thickness of said metal core being selected in the range between about 0.2 mm and about 1.0 mm, and in that the total weight of the layers of coating is at minimum 400 g/m 2 .
  • uniform layer of coating a coating which covers the entire surface of the substratum and which yields a macroscopically even surface such as that obtained by application of paint or lacquer in a spraying process, in contrast to the macroscopically uneven surface provided by a layer of coating in the form of sand or a similar granular material.
  • the maximum total weight of the layers of coating amount to 1,000 g/m 2 .
  • An inverse relation preferably applies in the sense that metal cores of small thickness should preferably be provided with the higher amount of coating.
  • the proportion of the total weight of the upper uniform layers of coating is less than 33% of the total weight of all the layers of coating. This involves cost advantages in that only a thin layer of a relatively expensive upper coating with coloring additives need be applied.
  • the thickness of the metal core is selected in the range between 0.35 mm and 0.9 mm, the total weight of said layers of coating being at minimum 450 g/m 2 and at maximum 650 g/m 2 , the proportion of the total weight of the upper uniform layers of coating preferably being less than 25% of the total weight of the layers of coating.
  • Fig. 1 shows an embodiment of a shaped metal roofing element 10 simulating seven juxtaposed traditional ceramic tiles.
  • the roofing element 10 is formed on the basis of a flat metal plate which has been cut to appropriate dimensions, shaped to provide the desired form of the end-product and then coated in accordance with the present invention.
  • the roofing element 10 is laid out on the rafters 8 that form the sub-structure of a building roof, as illustrated in fig. 2, to provide a finished roof as shown in fig. 3.
  • the upper surface of the roofing element visible from outside the building i.e. the surface visible in figs. 1-3, may have reflective characteristics such that the assembled roof appears to be formed from traditional glazed ceramic tiles.
  • Fig. 4 shows an end view seen from above, i.e. showing the upper surface A normally exposed to rainwater, of an embodiment of a metal roofing element according to the invention where layers of the coating on the metal plate 20 have been partially removed for the sake of clarity to show the sequence of the uniform layers of coating.
  • the metal roofing element 10 comprises a plate-like steel core 20 provided with uniform upper and lower coating layers 25 in a galvanizing process.
  • a primer typically made on an epoxy and/or polyester basis, forms a further uniform upper and lower coating layer 30.
  • On each layer of the primer 30 a uniform upper and lower coating in the form of a layer 35, 36, respectively, of an acrylic based paint has been provided.
  • the layer 36 of acrylic based paint on the lower side of the metal core 20 has a greater thickness than the layer 35 on the upper side of the metal core 20, the latter preferably being selected to provide the metal roofing element with a desired color.
  • a final uniform layer 40 of a lacquer is provided on the layer 35 to form the upper surface of the roofing element.
  • the roofing element 10 shown in fig. 4 is at its end provided with deformed areas 12 whereby the roofing element may overlap an adjacent roofing element when laid out as shown in fig. 3. ln the present text all references to the mass of the various layers 25, 30, 35, 36, 40 of coating provided on the metal core 20 will be made with respect to the surface area of the metal core, and not to the surface area covered by the deformed roofing element which may be much less depending on the shape that the roofing element assumes. Moreover, the dry weight of the coating is referred to, i.e. the weight of the coating when only insubstantial changes in the weight with time can be expected. It will be understood that the uppermost layers of coating may at times preferably be provided after the metal core 20 has been deformed from the flat state.
  • Fig. 5 is a graph illustrating the result of sound measurements performed on a flat non-deformed roofing product according to the invention, the metal core having a thickness of 0.43 mm. As shown, increasing the total weight per unit area of the coating layers up to about 400 g/m 2 leads to a significant reduction in the vibration time measured in ms, and, accordingly, to a corresponding reduction in the noise generated by rain-drops falling on a roof covered by the roofing elements according to the invention.
  • a metal core 20 having a thickness of 0.43 mm is used and the total mass of the coating layers 25, 30, 35 and 40 on the upper side of the metal core 20 is 100 g/m 2 while the total mass of the coating layers 25, 30 and 36 on the lower side of the metal core 20 is 400 g/m 2 .
  • the roofing element 10 has a weight of about 3.4 kg/m 2 , again determined on the basis of the surface area of the metal core 20 and not on the area covered by the roofing element, and a thickness of about 2.5 mm.
  • the coating layers serve as a protective covering, and the total weight of the coating layers determines the acoustical properties of the roofing elements. Accordingly, arranging most of the coating on the lower side, in particular through the application of a thicker layer of the acrylic based paint on the lower side, involves cost advantages in that only a thin layer 35 of the relatively expensive acrylic based paint with coloring additives need be applied.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Roof Covering Using Slabs Or Stiff Sheets (AREA)
EP04388023A 2003-03-21 2004-03-19 Dachelement aus Metallprofilblech Withdrawn EP1460196A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DK200300436 2003-03-21
DKPA200300436 2003-03-21

Publications (1)

Publication Number Publication Date
EP1460196A1 true EP1460196A1 (de) 2004-09-22

Family

ID=32798657

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04388023A Withdrawn EP1460196A1 (de) 2003-03-21 2004-03-19 Dachelement aus Metallprofilblech

Country Status (1)

Country Link
EP (1) EP1460196A1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012170893A1 (en) * 2011-06-10 2012-12-13 Decra Roofing Systems, Inc. Solar roof panel assembly and method for installation

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3150465A (en) * 1961-04-04 1964-09-29 Robertson Co H H Construction sheets
FR2286253A1 (fr) * 1974-09-26 1976-04-23 Premillieu Georges Element de recouvrement pour toiture
US4936071A (en) * 1989-09-05 1990-06-26 Bridgestone/Firestone Inc. Metal roof reroofing system and method
FR2728604A1 (fr) * 1994-12-23 1996-06-28 Union Miniere France Sa Couverture en zinc pour toiture
WO1998029619A1 (en) 1996-12-30 1998-07-09 Dominique Smeets Roof tile
EP1253260A2 (de) 2001-04-28 2002-10-30 Wilfried Blocken Dachabdeckungselement

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3150465A (en) * 1961-04-04 1964-09-29 Robertson Co H H Construction sheets
FR2286253A1 (fr) * 1974-09-26 1976-04-23 Premillieu Georges Element de recouvrement pour toiture
US4936071A (en) * 1989-09-05 1990-06-26 Bridgestone/Firestone Inc. Metal roof reroofing system and method
FR2728604A1 (fr) * 1994-12-23 1996-06-28 Union Miniere France Sa Couverture en zinc pour toiture
WO1998029619A1 (en) 1996-12-30 1998-07-09 Dominique Smeets Roof tile
EP1253260A2 (de) 2001-04-28 2002-10-30 Wilfried Blocken Dachabdeckungselement

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
"Bautabellen für Architekten", 1996, KLAUS-JÜRGEN SCHNEIDER, DÜSSELDORF *
NORMAUSSCHUSS MATERIALRÜFUNG IM: "DIN 50101 - Teil 1", September 1979, XP002135026 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012170893A1 (en) * 2011-06-10 2012-12-13 Decra Roofing Systems, Inc. Solar roof panel assembly and method for installation

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