Division to support it‘s primary activity as a fabrication of high performance aluminium façades. The Cladding Division employs the most modern and advanced CNC machinery including cutting equipment and roll bending together with all other important facilities for the fabrication of composite cladding panels.

CTI‘s Cladding Division is staffed by a team operators, supervisors and managers with a strong background in all the engineering aspects of the production of high quality composite and non-composite cladding panels.

CTI follows current internationals standards to achieve the required high quality and performance sets by modern architectural design.

To strive at the highest level to achieve

•    Craftsmanship
•    Durability
•    Beauty
•    Value-for-Money

on behalf of our customers

Cladtech International source their requirements for composite panels from a variety of highly reputable international suppliers and are thus able to meet architectural and engineering specifications at every level of cost and performance.

Aluminium composite panels are a superior alternative to solid aluminium sheets and offer a superb combination of light weight, rigidity, flatness, attractive appearance and durability.

Aluminium composite panels are available in non Fire-rated and full fire-rated grades.

Non fire-rated composite cladding consists of a layer of thermoplastic low density expanded polyethylene sandwiched between two 0.5mm aluminium sheets fire-rated composite cladding consists of a non-combustible light weight mineral-based layer again contained in a sandwich of two sheets of 0.5mm aluminium sheets.

Composite panels are therefore frequently known as "sandwich panels"
AVAILABILITY
–    Composite cladding panels are available in 3, 4 and 6mm thickness.
–    Composite cladding panels are available in PVDF-Based paint system or Lumiflon-based paint system
–    Composite cladding panels can be supplied with an additional service coating on the rear face to protect the aluminium surface from possible corrosion in areas of poor ventilation.
–    Composite cladding sheets are delivered to site, and installed, with a "Low-tack" protection film which is removed on hand-over of the works.

COMPOSITE PANELS
MANUFACTURING PROCESS

The manufacturing process involves two primary procedures namely:
–    COIL Coating is a mass-production process in which fluorocarbon paint is applied to the continuous aluminium sheet which is coiled in readiness for use in the composite panels.

–    LAMINATION is a process in which the expanded low density polyethylene or mineral core is laminated under heat and pressure between the two coated coils, thus forming the finished ACP product, which is now ready for delivery, in sheet form, to end-user.

FEATURES OF ACP
–    light weight
–    flatness
–    rigidity
–    workability
–    wide variety of colours
–    uniformity of colour

COLOUR RANGE OF ACP
Aluminium composite sheets are available in a wide range of standard and non-standard colours including-
–    solid (enamel) colour
–    metallic
–    sparkling
–    stone
–    timber

which are adequate to meet the most demanding aesthetic requirements of architect and property owners.

MECHANICAL PROPERTIES

Differential expansion and contraction of ACP is similar to solid aluminium sheets and is accommodated by using aluminium fixing systems and accessories during installation.

Since steel and concrete have somewhat lower coefficient of linear expansion compared to ACP, this differential movement is accommodation through provision of slotted holes in the fixing brackets. Due to the typical folded edge-detail of ACP, it is not easy to seal the external joints with pre-formed gaskets. Therefore, joint-sealing is generally done with structural silicone. However, open joints and gasket joints are available from CTI and are explained in the following pages of this brochure.

APPLICATION
ACP has becomes established as one of the most cost-effective materials for the cladding of opaque areas in the structure of modern buildings. It is also a frequent choice of infill for spandrel areas of typical aluminium curtain wall. The versatility and aesthetics of ACP assure it of a secure and long-lasting future in contemporary architectural design, inter alia-

–    Commercial and residential Towers
–    Industrial buildings
–    Airports
–    Educational buildings
–    Hotels
–    Medical buildings
–    Signage Applications.

COMPOSITE CLADDING
The range of composite cladding is comprised mainly of three types:
–    Titanium composite materials (TCM)
–    Stainless Steel composite material (SCM)
–    Zinc and copper composite material ( ZCM/CCM)

Overall thickness: 4 mm

Titanium Composite Material is widely-used in the construction industry on account of it‘s superior resistance to corrosion even in the most aggressive environments.

TCM is a composite sandwich panel as indicated in the above sectional detail and in available in a subdued matt finished.

CTI employs specialised cutting and grooving technology especially suited to the machining and fabrication of TCM composite cladding panels

SCM SECTION DETAIL
Stainless Steel Composite material is a high-quality architectural finish for external as well as internal applications and is available in a range of decorative treatments including hairline finish, matt finish and mirror finish.

SCM is supplied with top quality metallurgical stainless steel alloy and is highly favoured by designers for its good appearance, low maintenance and durability in all environments

CTI employs the same production techniques to manufacture SCM panels, as those of TCM.

FABRICATION PROCESS
Ease of fabrication is a major benefit of a types of composite panel, especially those with one, or both, faces in aluminum.

The panels are cut and grooved by CTI using purpose made CNC machinery in our well-equipped factory. CNC control from drawing board to factory-floor ensures a high degree of precision in the tolerances of the finished panels. These CNC automated machines are capable of extremely high output to meet the requirements of any fast-track project.

From the following diagrams the forming process starts with cutting of a U-groove along the bending axis ( 1 ). A folding jig is then used to bend the panel along the line of the groove (2). Prior to bending, the corners are mitred to ensure a perfectly smooth 45º joint (3).

Where composite panels require to be curved, this is done on a 3-roll bender which can be accurately set up to provide curved panels of exact design-radius (4).

INSTALLATION METHODS
1. WET SEALANT JOINT METHOD
This method is widely used in a large variety of cladding applications. The panels are folded at the edges to form a tray-configuration. Following mechanical attachment to the sub-structure, the joints are filled with an expanded polyethylene backer-rod to support the correct thickness of the structural silicone weather-seal.

2. HANGING METHOD
This is also a popular fixing method which allows for easy and quick installation. The joints are interlocking and there is no need for external weathering sealant. The open joints are self-draining and the system can accomodate differential movement in the sub-structure.

3. NARROW OPEN JOINT METHOD
This method is recommended for fixing of stone or timber patterned panels since the narrow joint presents a more aesthetic appearance. Joints can be sealed with structural silicone or with EPDM gaskets.

4. ROOFING APPLICATION
Aluminum composite panels are extensively used to clad the roofs of airports, stadiums and commercial buildings where it is necessary to combine elegance and durability. The ACP panels are typically laid on an underlying extruded aluminum mullion which is usually self-draining, although the folded edges of the panels are sealed with structural silicone.

5. CURTAINWALL SPANDREL AREAS
Folded, or flat aluminum panels containing a bonded insulation material (eg. expanded polyethylene) are generally required to be installed in the space between the glazed spandrel and the edge of the concrete slab. The outer face of the aluminum sheet is usually painted with a dark polyester powder coat finish to ensure that there is no risk of "Read-Through" of the back-pan when viewed from the exterior.

6. SUN SHADES AND CANOPIES
Aluminum composite panels can shaped to fit a wide variety of canopy-configurations giving a smooth, permanent and aesthetically-pleasing finish from all angles.

QUALITY AND REALIABILITY
Cladtech International QA / QC Department undertakes detailed inspection of work-in-progress at each stage of fabrication through to final packing and dispatch to customer or to CTI projects site.

CTI provides a 10-year standard product warranty for all metal compositen panels.