Using of this product range for personal protection & Condensation Control
up to -200 c* By Controlling – Anti sweat insulation-Condensation Control & protect people under simultaneous conditions

Metal jacketing is installed over insulation in order to mechanically protect and to weatherproof it. It is supplied in coils or rolls for further fabrication, or in roll formed sheets to clad equipment such as boilers, vessels, ducts and stacks
In order to prevent jacket and pipe corrosion, a factory applied moisture barrier is recommended to be factory applied on the inside of the metal jacketing for all applications.

Aluminium Cladding

Aluminum Cladding is available in a large range of alloys, in accordance with ASTM B209. Most alloy 3003-3105-1060 & 1050.

Aluminium Zinc Coated (Aluzinc)

a flat carbon steel product coated on both sides with an aluminium-zinc alloy. The coating is composed of 55% aluminium, 43.4% zinc and 1.6% silicon and applied by means of a continuous hot dip galvanizing process. It exhibits superior corrosion resistance when compared to hot dip zinc coated steel.

Stinless steel

Stainless steel alloy 316& 304

Sound insulation

Energy can be transferred by means of vibration. Vibrations can be transferred into air causing noise pollution. The reduction of vibration by means of dampening the system, and hence reducing noise, is possible when a spring-mass system is introduced. The spring is usually formed by means of a resilient insulation material.

The mass is added at the outer surface either by utilizing a heavy jacketing material or by means of adding an elastic heavy mass layer

Sound is transmitted through most walls and floors by setting the entire structure into vibration. This vibration generates new sound waves of reduced intensity on the other side. The passage of sound into one room of a building from a source located in another room or outside the building is termed ''sound transmission".

Transmission loss or Sound Reduction Index, R dB, is a measure of the effectiveness of a wall, floor, door or other barrier in restricting the passage of sound. The transmission loss varies with frequency and the loss is usually greater at higher frequencies. The unit of measure of sound transmission loss is the decibel (dB). The higher the transmission loss of a wall, the better it functions as a barrier to the passage of unwanted noise.

There are two types of sound insulation in buildings: airborne and impact. Airborne sound insulation is used when sound produced directly into the air is insulated and it is determined by using the sound reduction index. Impact sound insulation is used for floating floors and it is determined by the sound pressure level in the adjacent room below.

Weighted Sound Reduction Index Rw

When specifying the acoustic performance of a partition in a more general manner, it can be useful to describe the sound insulation by a single number. The weighted sound reduction index, Rw , is a rating method given in EN ISO 717-1. This standard fits a standard reference curve to the measured sound reduction index curve
In EN ISO 717-1, a rating method is also given where the Rw value is completed by two C-terms which are applied to two models of the noise spectra for various types of noise. These two terms, Rw + C and Rw + Ctr, also include the frequency range 100 – 3150 Hz but can be extended to 50 – 5000 Hz. As industrial and traffic noise often have high sound levels which are also below 100 Hz, it is recommended that the extended frequency area is used.

The summary value, Rw + C, gives the reduction value in dBA for a spectrum with a level which is equally high in all third-octave bands. This can be used for:
• Living activities (talking, music, radio, TV)
• Railway traffic at medium and high speed
• Highway road traffic travelling at speeds in excess of 80 km/h
• Jet aircraft at a short distance
• Factories emitting mainly medium and high frequency noise
The summary value Rw + Ctr also gives the reduction value in dBA, spectrum with low-frequency dominance such as:
• Urban road traffic
• Railway traffic at low speeds
• Disco music
• Factories emitting mainly low and medium frequency noise

Dynamic stiffness

Dynamic stiffness is a very important property for porous materials, especially when the material is mounted directly between two solid layers (sandwich-element, floating floor). For mineral wools, it is presented per unit MN/m3 because mineral wool is usually continuous.

stone wool is composed of solid material and air. When it is used as a resilient layer, we have to determine dynamic stiffness for both mineral fibres and air separately; so dynamic stiffness = sd + sa (sd is the material stiffness and sa is the stiffness for enclosed air).

In accordance with testing standards, the dynamic stiffness of stone wool must be stated for a loading of 200kg/m2 when it is used under a floating concrete floor. The lower the dynamic stiffness values, the better the impact sound insulation.

The stone wool products used as step sound insulation are specially designed for floor application. The fibre orientation is mainly horizontal compared to, for example, roof slabs or ground slabs. The horizontal fibres block better the sound from passing through. The difference when used in a floor may be 5 dB or even more. This means a one class difference.

Mass-spring system

The main idea behind the floating floor is the mass-spring system. The softer the spring, the better the vibration damping. The same goes with the mass – the heavier the better. If the intermediate floor is not heavy, the floating floor does not work because the mass-spring system changes. In practice, an intermediate floor has to be five times heavier than a floating floor.
Impact noise insulation is measured using a standardized tapping machine. A good impact noise insulation L’n,w requires:
Concrete with a floating floor:
• Heavy intermediate floor
• Soft elastic intermediate layer
• Heavy floating floor
At the extremes of its displacement, the mass is at rest and has no kinetic energy. At the same time, the spring is maximally compressed, and thus stores all the mechanical energy of the system as potential energy. When the mass is in motion and reaches the equilibrium position of the spring, the mechanical energy of the system has been completely converted into kinetic energy.
All vibrating systems consist of this interplay between an energy-storing component and an energy-carrying component.
Where k is the spring constant (mineral wool) and m is the mass (intermediate floor). The lower the f is, the better the insulation. So by increasing the mass or decreasing the spring constant we can achieve the best insulation.

Stud welding allows metal fasteners such as weld studs, weld pins and tapped studs, to be welded onto another metal object using an arc at lightning speed. An arc is produced between the end of the stud and the surface of the work piece, melting both parts. The stud is then forged into the molten pool. The material solidifies and the stud is welded. The weld is uniform and has complete fusion across the flange. As the whole surface of the weld stud is joined with the work piece, the resulting weld joint is stronger than the stud or parent material.

Since no holes are punched in the sheet, the work piece is not weakened and corrosion problems are minimized. When welding the stud, access is only required from one side which means that component handling is considerably facilitated, especially as regards establishing an earth connection.

This absolutely leak proof, hole-free and decorative joining technique is used in Refractory- lining & thermal insulation With the development of the patented "SRM Technology®" procedure has even been possible to replace many areas of gluing, riveting, punching and drilling.

Either by lining or by reusable insulation Refractory considers one of the most important insulation for high temperature Furnaces – chimney – Turbine & Exhaust

By using wide range of products Ceramic fiber –calcium silicate- thermal silica cloth & bricks For Metal industry – petrochemicals - oil&gas
SO insulation solution to control energy wastage through heat losses and allow better process controllability.