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interaction with other elements of the building envelope and structure. Metal profile sheets are metal structural members that due to the fact they can have different profiles, with different heights and different thickness, engineers and architects can use them for a variety of buildings, from a simple industrial building to a high demand design building. Trapezoidal profiles are large metal structural members, which, thanks to the profiling and thickness, retain their high load bearing capability. They have been developed from the
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contribution of today's simple material recycling. Steel can be repeatedly recycled because it does not lose any of its inherent physical properties as a result of the recycling process. Stainless steel fasteners have excellent corrosion resistance and durability, as well as being a sustainable material. Custom fasteners in this material make for the utmost of sustainability with high recyclability.
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cladding. For shallower pitches, down to 1.5%, a fix system with no exposed through fasteners, special side laps and preferably no end laps should be used. For low pitch roof, ponding is a potential problem that must be considered at the design stage in order to avoid the deleterious effects of prolonged soaking and the increased loading, due to the weight of the water.
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movement, installation error and manufacturing defects are examples. The need of maintenance may be greatly reduced using specific coating depending on the weather conditions, this coating guarantee the expected design life of the cladding. The commonly used 302 stainless steel alone is resistant to acetic acid, acetone and boric acid, among others.
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insulation which is added, the profile shape and the presence of thermal bridges. So, metal profile sheets can achieve thermal performance regulations thanks of insulations and profile shape. It is very important to analyze and avoid all possible thermal bridges within the roof and wall cladding assembly, to minimize local heat/cold losses.
78:. The profile programme offered by specific manufacturers covers a total of approximately 60 profile shapes with different heights. Cassettes are components that are mainly used as the inner shell in dual-shell wall constructions. They are mainly used in walls today, even though they were originally designed for use in roofs.
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particular cladding system will depend on the insulation material, the weather sheet and liner sheet profiles and the method of assembly. To minimize reverberation architects may take advantage of the sound absorbing properties of the cladding insulation layer by replacing the standard liner sheet with a perforated liner.
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In addition to its self-weight, the roof cladding must also be designed for the following variable actions as specified in the appropriate parts of EN 1991: -Access for cleaning and maintenance. -A uniformly distributed load due to snow over the complete roof area. The value of this load will depend
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Buildings are responsible of the 40% of
European energy consumption, consequently, improving the thermal performance of the cladding and associated components is very important. The elemental U-value (thermal transmittance, W/m2K) of a cladding panel, depends on the conductivity and thickness of the
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In order to ensure that the building envelope remains fully functional throughout its design life, it is important that it receives regular maintenance, including inspection, removal of debris, cleaning and repair of damage. Inspection can include man-made or natural wear. Weather exposure, natural
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Metal cladding systems are required to carry externally applied loads, such as snow and wind loading without deflecting excessively or compromising the other performance requirements. The individual characteristic loads (actions) should be obtained from the appropriate part of EN 1991, taking into
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from which profiled cladding sheets are made is available pre-coated in a wide range of colors and textures, allowing architects to choose a finish that best suits the location and function of the building. Profile shape is also a characteristic that can be adapted to the demand of the architects.
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in the 50s and has gained relevance since about 1960. At present the proportion of load bearing, room sealing trapezoidal profiles used in the overall area of new and slightly sloping roofs amounts to 90%. Above all else the wide acceptance has resulted from the simple constructive training, fast
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The primary function of the cladding system is to provide a weathertight building envelope, suitable for the intended use of the building. Trapezoidal metal roof sheets with through fix fasteners are generally suitable for slopes of 4% or steeper. This limit is critical to the performance of the
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Roofs constructed with trapezoidal profiles have excellent sound suppression characteristics. Sound has been found to be reduced to by up to 53 dB. The measured sound reduction for wall constructions using cassettes has been assessed at an RW of 57 dB. The acoustic performance of a
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often associated with agricultural buildings to multi-layer systems for industrial and leisure application. As with most construction components, the ability of the cladding to satisfy its functional requirements is dependent on its correct specification and installation. Also important is its
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Metal profiles sheets have a high recycled scrap steel content and all steel is recyclable. Many steel components can be unbolted and even reused for future applications. The possibility of reusing building elements makes steel construction even more sustainable than the already significant
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Care must be taken on site to avoid excessive local deflection. Typical deflection limits imposed on the cladding are depend on the loading regime considered, the location of the structural component and whether a brittle material is present. Deflection limits may be specifies by
National
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Metal profile sheets due to their versatility mechanical and design properties can be used as roof and roof cladding, as external walls and wall cladding and also as floors. They are used in industry and in residential sector, and the two sectors can be used in both new construction and
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For most application of metal cladding technology, the only permanent action which the roof cladding needs to be designed is its own self-weight. For wall cladding, it is not normally necessary to consider permanent actions, since the self-weight acts in the plan of the cladding.
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account the building geometry and location as applicable. These individual actions should then be combined using the appropriate safety factors from EN 1990 to obtain the load cases used in design.
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Building envelope made from metal sheet provide builders and architects with products, which meet all of the highest demand regarding construction characteristics and design. The
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Steel
Construction Institute (Great Britain) European Convention for Constructional Steelwork. Committee TC7. Technical Working Group 7.1. (1986).
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systems are used to build cost efficient and reliable envelopes of mostly commercial buildings. They have evolved from the single skin
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Samonośne blachy metalowe do pokryć dachowych, okładzin zewnętrznych i wewnętrznych - Charakterystyka wyrobu i wymagania PN-EN 14782
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on the building's location. -Asymmetric snow load and loading due to snow drifts. -Wind loading due to pressure and suction.
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Designers' Guide to EN 1993-1-1 Eurocode 3: Design of Steel
Structures - General Rules and Rules for Buildings
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European recommendations for steel construction : good practice in steel cladding and roofing
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European
Convention for Constructional Steelwork. Committee TC7. Working Group TWG 7.3. (1983).
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European recommendations for steel construction : the design of profiled sheeting
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for around 100 years. Today's characteristic profile shape came to Europe from the
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rehabilitation. Some of the applications where metal profile sheets are used are:
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European
Committee for Standardization. British Standards Institution.
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assembly, and the low costs of the trapezoidal profile construction.
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Designers' guide to EN 1990 Eurocode: basis of structural design
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646:, John Wiley & Sons, Inc., pp. 359–367, 2010-08-30,
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419:"Regular Inspections Are Key to Building Envelope Integrity"
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The Visual
Dictionary of Interior Architecture and Design
514:"Stainless Steel Fasteners, Glaser & Associates, Inc"
603:"Titanium clad steel plate manufactured by roll-bonding"
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Trapezoidal profiles and cassettes have been known in
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Transactions of the Iron and Steel
Institute of Japan
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Gulvanessian, H. Calgaro, J.-A. HolickĂ˝, M. (2002).
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287:Polska. Polski Komitet Normalizacyjny. (2008).
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49:of all important aspects of the article.
396:Eurocode 1 : Actions on structures
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45:Please consider expanding the lead to
222:offices and administration buildings,
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398:. British of Standards Institution.
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99:Specification of the metal profile
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444:"Metals and Corrosion Resistance"
291:. Polski Komitet Normalizacyjny.
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361:. Steel Construction Institute.
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37:may be too short to adequately
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47:provide an accessible overview
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694:Building insulation materials
516:. Glaser & Associates Inc
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234:high design demand buildings,
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642:"Light-Frame Construction",
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652:10.1002/9780470949825.ch13
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446:. The Engineering Toolbox
253:Hollow structural section
644:Cold-Formed Steel Design
219:educational buildings,
162:Structural performance
424:. Hoffmann Architects
248:Profile (engineering)
225:multi-story buildings
210:commercial buildings,
207:industrial buildings,
689:Building engineering
704:Composite materials
545:10.1680/dgte3.31630
417:Arthur L. Sanders.
126:Thermal performance
113:Building appearance
67:Metal profile sheet
699:Building materials
469:. Thomas Telford.
231:residential house,
171:Permanent actions:
76:corrugated profile
16:Building materials
661:978-0-470-94982-5
555:978-0-7277-3163-0
298:978-83-251-4254-4
213:public buildings,
180:Variable actions:
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613:(6): 516. 1988.
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573:: 73. 2009.
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34:lead section
55:August 2015
683:Categories
569:"Detail".
274:References
263:Insulation
144:Durability
670:108919297
629:0021-1583
520:6 January
493:cite book
485:850006767
450:5 January
428:5 January
404:456547815
375:cite book
367:154138387
338:cite book
307:749749342
198:Main uses
135:Acoustics
39:summarize
330:52910520
258:Eurocode
242:See also
82:History
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88:Europe
666:S2CID
422:(PDF)
119:steel
656:ISBN
625:ISSN
583:ISBN
550:ISBN
522:2016
499:link
481:OCLC
471:ISBN
452:2016
430:2016
400:OCLC
381:link
363:OCLC
344:link
326:OCLC
303:OCLC
293:ISBN
237:etc.
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92:USA
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