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Aluminum Substructure for Ventilated facades
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Aluminum Substructure for Ventilated facades

The aluminium frame components for the ventilated façade provided by the company are manufactured in Europe. The manufacturer specialists also prepare technical documentation for the installation of aluminium frames for each project (including frame layout schemes and details). In addition to this, the company supplies insulation, cladding and other materials necessary for the installation of ventilated façades.

The basis of the ventilated façade is the suspended frame that bears the weight of the cladding that is fastened to it. Frames are made of various materials such as galvanised steel, stainless steel, timber and aluminium. All of the materials used to build the load-bearing structures of ventilated façades have certain advantages and disadvantages, as compared to one another. This might mean differences in durability, resistance to environmental impact, price, complexity of installation or in the mechanical or physical properties of the material.

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Ever since the emergence of the ventilated façade, the aluminium frame has been the structure of choice across most countries due to its great resistance to corrosion, simple installation, light weight, price and the fact that it is easy to work with.

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The guide profiles used in the construction of ventilated façades are typically made of a more malleable aluminium alloy and the load-bearing corner brackets are produced from a sturdier aluminium and magnesium alloy.
The type of metal frame, the distances between profiles, the thickness of the metal frame's components, screws and their quantities should all be selected and calculated in consideration of wall type, wind load in certain areas, building height, cladding element type and other factors.

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The frame is universal, allowing the use of different types of components and cladding materials such as:

  • Fibre cement panels

  • High-pressure laminate (HPL) panels

  • Engineered stone panels

  • Ceramic tiles

  • Porcelain (ceramic) panels

  • Aluminium composite panels


The Aluminium frame consists of the following components:

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  • Thermal insulating washers (placed between corner brackets and the wall);

  • Mounting brackets

  • Masonry screws

  • Load-bearing profiles (L-, T-, Z-, Ω-profiles) 

  • Self-tapping screws/bolts (for fastening profiles and brackets)

  • Fastening hardware for cladding material: bolts, screws, staples, anchors, wall plugs, glue, etc.

The Aluminium frame consists of the following components:

VENTILATED FAÇADE STRUCTURES COMPONENTS

PROFILES

Aluminium profiles are used in the ventilated façade frame to create a supporting plane for the cladding elements. They are also used for door and window openings and additional reinforcement in areas where the edges of cladding panels meet as well as other areas.

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Profiles are made of aluminium alloy AlMg0.5Si0.5 (EN-AW 6060) or AlMg0.7Si0.4 (EN-AW 6063).

T PROFILE: 

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  • 60 x 50 x 1.8 mm

  • 80 x 50 x 1.8 mm

  • 100 x 50 x 1.8 mm

  • 120 x 50 x 1.8 mm

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T- profiles are used where cladding panels form vertical joint lines.

L PROFILE: 

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  • 50 x 40 x 1.8 mm

  • 40 x 40 x 1.2 mm

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L-profiles are used for installing external and internal corners as well as door and window openings. Also used at intermediary distances between guide profiles beneath cladding. 

Ω PROFILE: 

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  • 20 x 60/100 x 1.8 mm

  • 50 x 96 x 1.8 mm

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Omega profiles are used in areas where the edges of cladding panels come together, at intermediary distances between guide profiles beneath cladding and for door and window openings.

Z PROFILE: 

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  • 20 x 20 x 20 x 2 mm

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ALUMINIUM BRACKETS

Aluminium brackets are load-bearing elements of the aluminium carcass that keep the frame system attached to the exterior walls of a building. They are installed at the first stage of the frame installation process. The correct layout of such brackets across the façade is essential for quality assembly. Appropriate fastening of aluminium brackets ensures the safe and long-term performance of the façade system. The type, layout and fastening of brackets should be indicated in the installation documentation for the aluminium frame.

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Brackets are made of aluminium alloy AlMg0.5Si0.5 (EN-AW 6060) or AlMg0.7Si0.4 (EN-AW 6063). 

  • Single brackets for universal profile mounting

  • Double brackets for universal profile mounting 

Single brackets: 

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  • L60   x 70 x 40

  • L90   x 70 x 40 

  • L120  x 70 x 40

  • L150  x 70 x 40

Single brackets

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  • L180  x 70 x 40

  • L210  x 70 x 40

  • L240 x 70 x 40

Double brackets:

 

  • L60   x 140 x 40

  • L90   x 140 x 40 

  • L120  x 140 x 40

  • L150  x 140 x 40

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  • L180  x 140 x 40

  • L210  x 140 x 40

  • L240 x 140 x 40

Double brackets:

THERMAL INSULATING WASHERS

Thermal insulating washers are made of plastic and are used to prevent the formation of direct thermal bridges. The washers are mounted between the bracket and wall when the latter is being insulated. They are also used underneath corner fasteners.

THERMAL INSULATING WASHERS

TILE FASTENERS

Universal tile fasteners are used to fasten cladding to the ventilated façade frame. The fasteners are made of certified 1.2 mm thick stainless steel.

Advantages:

  • Resistant to corrosion caused by natural atmospheric stress;

  • Low visibility makes them universally suitable for fastening cladding of any colour, as they have no visual impact on the façade;

  • The structure of the small amortisation wings make the fasteners adjust ideally to the thickness of the cladding element and keep it in place even if the thickness of the element varies greatly.

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One-sided tile fasteners are used for cladding with a thickness of 7.5 - 11.5 mm. Used on end rows, when beginning and ending cladding installation or between the edges of two cladding elements.

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Two-sided tile fasteners are used for cladding with a thickness of 7.5 - 11.5 mm. Used to fasten tiles at four-way corner joints or at intermediary distances between two cladding elements.

Important: if the tile fasteners are to be installed on an aluminium frame, only stainless steel self-tapping screws, stainless steel rivets or aluminium rivets with a stainless steel rivet body should be used. 

BASE PROFILES

Protective base profiles are made of aluminium sheeting and are used in the ventilated façade system for the purpose of covering and protecting areas that must provide external air access to the ventilated air gap (typically by the plinth/base of the façade or at the top of the façade beneath the eaves).

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Aluminium base profiles can be manufactured in different sizes and thicknesses, as demanded by each individual situation (i.e., thickness of insulation, width of air gap, etc.).

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The standard length of a protective base profile is 2.5 m. The perforated part allows for 50% air permeability.

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Advantages: the elliptical holes on both parts of the profile make it easy to fasten even if a wall or ventilated air gap is misaligned or uneven. Once the perforated and non-perforated components are fixed in place and adequately evened out, their elliptical holes should cross, forming a rivet hole for fastening the two parts together.

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Caution: if a wall is to be thermally insulated, then the protective base profile should be mounted before insulation work begins. The fastening of the non-perforated part will be covered by the insulation material, thus it should be installed first. The perforated part should be fixed in place just before the façade installation is complete. Both parts should then be joined together with rivets at the appropriate points.

BASE PROFILES

ANCHORS / MASONRY SCREWS 

Masonry screws/anchors are fastening elements that are used to fix the aluminium or steel profiles to a base made of concrete, silicate bricks, perforated bricks or ceramsite concrete.

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  • EJOT SDP anchors are used for quick and reliable fastening of various structures to porous concrete bases.

  • Screws made of galvanised steel (V) with a hexagonal (SDF-KB) head.

  • KB sleeve (for metal structures).

  • Screws made of stainless steel (E) with a hexagonal (SDF-KB) head.

  • Available in various lengths.

  • Quick and reliable installation.

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Important: different types of masonry screws are designed for different types of masonry, and therefore screws must be selected based on the manufacturer's recommendations. Different types of masonry screws that are not indicated in the project documentation for the aluminium frame must not be used.

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Due to a variety of factors, one type of masonry can have different strength properties in different construction projects, and therefore the anchoring properties of selected masonry screws must be tested on-site (tests are conducted and documented by the supplier of the masonry screws; read more about this in the Technical Information section).

  • SDF-KB-10H (80-220mm): for fastening aluminium or steel profiles to a concrete base, silicate or perforated brick masonry, and ceramsite concrete. 

  • SDF-KB-10V (50-220mm): fastening elements for attaching aluminium or steel profiles to silicate brick masonry or a concrete base

  • SDF-KB-10G (80-220mm): fastening elements for attaching aluminium or steel profiles to a porous concrete base.

SELF-TAPPING SCREWS

Self-tapping screws are used to fasten aluminium profiles to brackets or fasten other parts of the aluminium frame to each other.

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Important: self-tapping screw types and dimensions are indicated in the project documentation for the aluminium frame. Other types of self-tapping screws must not be used.

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In order to prevent the electrochemical corrosion of the aluminium frame, only stainless steel screws can be used.

CHEMICAL BUILDING PRODUCTS SIKATACK PANEL GLUE SYSTEM FOR VENTILATED FAÇADES

The SikaTack Panel system is used for the concealed fixing of ventilated façade panels.

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The system consists of:

 

  • Elastic SikaTack Panel glue

  • Double-sided SikaTack Panel fixing tape

  • Sika Aktivator-205 cleaner

  • SikaTack Panel Primer

 

Contact us for detailed information.

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