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Fire Protection |
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The most important requirement in any building is fire safety. To this end, Hilux provides excellent protection from fire and out performs all other building material's results achieved in standard fire tests.
These fire test methods are contained in various parts of British Standard- 476 and are as under |
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Non-Combustibility : |
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Building materials are classified as either non-combustible or combustible according to their behavior when tested to BS 476-Part - 4:1970. This test provides a measure of the propensity of materials to generate heat and flames under standardized heat exposure conditions. It represents the highest and most stringent standard for the fire performance of materials. Hilux Calcium Silicate board have gone through this test and have been rated as Non Combustible, by CBRI, Roorkee. |
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Surface Spread Of Flame : |
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The test BS-476-Part-7: 1971 is used to determine the tendency of materials to support the spread of flame across their surfaces. Materials are classified Class-1 to Class-4, in descending order of performance. These classifications are applied mainly to wall and ceilings.In this test too, Hilux passed this test as Class - 1. |
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Fire Propagation: |
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The test to BS-476-Part-6: 1968 provides a means of measuring the rate of heat evolution of materials exposed to flames and radiant heat. Hilux passed this test with fire Propogation Index (I) = 4. |
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Fire Resistance: |
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Hilux boards have Class-1 Surface spread of flame with ignitability as "P", NOT EASILY IGNITABLE and hence they can provide good fire resistance in the range of 30 minutes to 240 minutes depending on the construction design. Fire resistance is determined by tests to BS-476- Part -20 & 22-1987, "Fire test on Building Materials and structures" in which a specimen is subjected to heating conditions based on a standard temperature/ time curve. Hilux board partition systems have tested at CBRI, Roorkee and passed 60, 90, 120 minutes fire ratings. |
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Cavity Barriers |
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Though the danger of fire is the main safety hazard that buildings have to overcome, smoke kills more people in fires than heat, flames or structural collapse. The purpose of a cavity barrier is to prevent the spread of smoke and flame from penetrating and / or moving within a concealed space in a fire compartment. |
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If a barrier in a concealed space coincides with a compartment wall or floor it will normally be required to provide the same fire performance as the wall or floor. There are two types of cavity barriers, small cavity barriers and large cavity barriers. A large cavity barrier is required to provide 30 minutes integrity and 15 minutes insulation where a small cavity barrier can provide 30 minutes integrity. Hilux partitions used in these cavity barriers have found to be structurally sound. |
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Perimeter of a partition is formed by metal channels & studs fixed to the floor/ceiling & wall/partition. Though these sections are considered satisfactory closer to the flame & smoke, however to maintain the continuity of the barrier, Hilux Calcium Silicate Boards are cut to good fit and screw fixed to the web of the floor ceiling channel and the studs abutting the wall/partition to prevent direct communication with an adjoining cavity.
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Sound Insulation |
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When different sounds come together in harmony, it is soothing to our ears but when jarring sounds irritate us, it is called noise. In order to minimize this unwanted sound, our buildings must be acoustically treated. Hilux boards provide an excellent acoustical property, which reduces the sound that passes between two spaces separated by a dividing element. |
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The sound energy, during transmission, passes through the dividing element through direct transmission or through the surroundings like walls, floors, ceilings, ducts, windows and door openings through indirect transmission. Therefore both the methods should be taken into consideration, while designing. Hilux boards provide optimum sound insulation by allowing the least amount of transfer of sound energy and reducing the amount of leakage through doors, windows, air conditioners, continuous run of ducts, cracks, holes and gapes, electrical outlets, service pipes, suspended ceiling or partitions, common ventilation systems, etc. |
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When traditional or remedial methods do not satisfactorily work, the sound insulation of existing walls and partitions can be further improved by providing a layer or lining with Ramco Hilux Calcium Silicate boards. The linings not only provide sound insulation but also provide good thermal insulation. |
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Sound Absorption |
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Many theatres, performance halls, recording studios and even some offices need to be designed keeping sound absorption in mind. Sound absorption is the loss of sound energy on reflection on a surface. Sound absorbent surfaces are used to provide a correct acoustic climate in a room. Hilux boards have superior sound absorption qualities which enhances the acoustical properties of a room. |
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Thermal Insulation |
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Thermal insulation involves maintaining the internal temperature from a building and not allowing it to be affected by the temperature of the external atmosphere. Buildings with centralized air-conditioning require their thermal insulators to protect its coolness within and not to allow it to go out. Good thermal insulated materials can block the passage of external heat from penetrating cooled areas. |
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| Alternatively buildings with in colder climates which have a central heating system will loose heat to the external atmosphere. This can also be prevented by using good thermal insulated materials, with low Thermal Conductivity. Hilux Calcium Silicate boards are extensively used in keeping the cooling or heating costs down, in both hot and cold environments across the world, in new as well as existing buildings |
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Thermal Conductivity |
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Thermal Conductivity is the measure of a material's ability to transmit heat. It is expressed as heat flow in watts per square meter of surface area for a temperature gradient of one Kelvin(K) per meter thickness and is expressed as W/mK. Dense materials have a high thermal conductivity and are inefficient thermal insulates whereas lightweight materials have low conductivity and act as effective thermal insulates. The lower the (K) value of a material, the better is its insulating efficiency. |
| Thermal resistance (R ) : Thermal resistance is the measure of the resistance to the passage of heat offered by the thickness of a material and is expressed as m² K/W. The thermal resistance of material is obtained by dividing the thickness of material in meter by its thermal conductivity ( K) value. |
| (R=Thickness in meters / K value) Hilux boards have "K" value of 0.15 W/mK, hence can contribute to energy savings and can provide comfort to the occupants of the buildings in which they are used. |
| Thermal Transmittance (U) : Thermal transmittance of a building element is a property of its whole construction including air spaces and is the measure of its ability to transmit heat under steady state condition. It is calculated by taking reciprocal of the sum of all the individual thermal resistances. It is expressed as W/m2K . The lower the (U) value of the element, the better is its thermal insulation. As mentioned earlier, the thermal insulation of Hilux boards is very good as it has good thermal resistance and also as a very low thermal transmittance, hence it retains the heat within the building. |
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Water Resistance |
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Hilux boards are also highly water resistant and maintain their strength under conditions that other boards would not be able to withstand. When Hilux boards are immersed in water for 24 hours they might slightly loose their strength but they regain their full strength as soon as they are dried. Placing the boards in water has no long term effect on the board or on most of the decorated surfaces, hence they can be used in high humid areas or in places where there is a risk of water accidentally coming in contact with the board. |
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HILUX - Termite Resistance |
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Another advantage of Hilux Calcium Silicate boards is that they are termite resistant as well. Unlike other building materials, like Gypsum plaster- based boards and Plywood wood-based products, Hilux boards are highly resistant to termites and attacks from other vermin. This is due to its stable crystalline structure and use of minerals in the surface structure of the boards. In addition to this, the boards do not contribute to fungus growth and also have anti-bacterial properties. |
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| Recommended Sizes |
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APPLICATION |
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HILUX BOARD (Thickness in mm)
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Suspended Ceilings |
Exposed Grid |
6, 8. |
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Concealed Grid |
8, 10, 12. |
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Partitions |
Timber Framed |
8, 10, 12. |
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Metal framed |
8, 10, 12. |
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Wall Linings |
With frame work |
8, 10, 12. |
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Without frame work |
8, 10, 12. |
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Doors |
Flush doors |
6,8,10,12 |
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Paneled doors |
10,12 |
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Fire Doors |
6,8,10,12 |
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Coverings |
Steel beam and columns |
8,10,12 |
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Air condition ducts |
8,10,12 |
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Cavity Barriers |
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8,10,12 |
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False Flooring |
With metal or plywood backing |
12 x 2 layers |
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| Frequently Asked Questions - FAQ |
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The board is made of Calcareous and siliceous materials and reinforced with fibres. It is cured under high steam pressure and temperature to provide crystalline structure. |
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Density of board is 900kg/ M³ |
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Our 8mm thick board is much lighter as compared with 12 mm thick gypsum based boards. |
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Yes, it contains minerals only. No asbestos, or toxic or hazardous materials are used. |
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Yes, It contains approx. 35% of recycled materials like Flyash. |
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Yes, Hilux boards are unaffected by water. |
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Yes, Hilux boards can be used under humid conditions. |
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Yes, the boards neither degrade/deteriorate physically nor turn into powder under humid conditions. However use of Epoxy paint on surface of the board after jointing and finishing, will further enhance its utility. |
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The stable crystalline structure makes the board strong and durable. |
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No effect of termite, as it does not contain any organic material. |
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Yes, Hilux boards are Non-Combustible( as per BS 476 part-4) hence do not work as a fuel to fire. Hilux boards are also classified as Class-1 as per BS : 476 part -7 for Surface Spread of Flame. |
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Hilux board partition systems can be designed to provide fire resistance up to 4 hours. The systems have been tested at CBRI, Roorkee for 60, 90,120 and 240 minutes fire ratings. |
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Our normal66mm thick partition gives 39 decibel of sound insulation. However we can provide systems up to 52 decibel. |
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Thermal conductivity of our board is 0.15 W/mK. Low thermal conductivity helps save energy costs |
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06mm thick Hilux boards can be bent to a minimum 600mm radius to make curved partitions, ceilings or wall linings by making them wet and slowly putting pressure manually. |
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For further clarifications if any, please E-mail to us at prr@ril.co.in |
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| PARTITION SYSTEM SELECTOR CHART |
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| Product Features |
| Robust, Impact resistant , Water resistant & Suitable for high humid areas |
Non Combusitable,
Class-0 fire rating,
Class-1 Surface spread of frame |
Good sound insulation,
Low thermal Conductivity,
Lower dust System |
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| System / Performance |
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Non-Fire Rated
System |
Hilux board- 1x8 mm each side Hilux board- 1x10 mm each side
Stud-48x48x50x0.55 mm
F/C- 50x32x32x0.55 |
Hilux board- 1x10 mm each side
Stud-48x48x50x0.55 mm
F/C- 50x32x32x0.55 |
Hilux board-1 x 12 mm each side Stud-48x48x50x0.55 mm
F/C- 50x32x32x0.55 |
| System Thickness |
66 mm |
70 mm |
70 mm |
| System Height |
2440 mm |
2700 mm |
3000 mm |
| Sound Insulation |
39 dB |
39 dB |
39 dB |
Fire Rated
Systems
Integrity,
Insulation & Stability)
½ Hour,
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Hilux board-1x8 mm each side
Stud-48x48x50x0.55 mm
FC- 50x32x32x0.55 mm
Insulation-Mineral wool 25 mmx 483 Kg/m³ |
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Hilux board-1x10 mm each side
Stud-70x48x50x0.55 mm
FC- 72x32x32x0.55 mm
Insulation-Mineral wool 25 mmx 48 Kg/m³
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Hilux board-1x12 mm each side
Stud-70x48x50x0.55 mm
FC- 72x32x32x0.55 mm
Insulation-Mineral wool 25 mmx 48 Kg/m³ |
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| System Thickness |
66 mm |
92 mm |
96 mm |
| System Height |
2440 mm |
3300 mm |
3600 mm |
| Sound Insulation |
40 dB |
40 dB |
40 dB |
| 1 Hour |
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Hilux board-1x12 mm+fillet each side
Stud-48x48x50x0.55 mm
FC- 50x32x32x0.55 mm
Insulation-Mineral wool 50x48 Kg/m³ |
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Hilux board-1x12 mm+Fillet each side
Stud-98x48x50x0.55 mm
FC- 100x32x32x0.55 mm
Insulation-Mineral wool 50x48 Kg/m³
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Hilux board-1x12 mm+Fillet each side
Stud-98x48x50x1.00 mm
FC- 100x32x32x1.00 mm
Insulation-Mineral wool 50x48 Kg/m³ |
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| System Thickness |
98 mm |
148 mm |
148 mm |
| System Height |
4000 mm |
5500 mm |
7000 mm |
| Sound Insulation |
42 dB |
43 dB |
44 dB |
| 1 1/2 Hour |
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Hilux board-2x10mm each side
Stud-48x48x50x0.55mm
FC- 50x32x32x0.55mm
Insulation-Mineral wool 50x48 Kg/m³ |
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Hilux board-2x12mm each side
Stud-98x48x50x1.00mm
FC- 100x32x32x01.00mm
Insulation-Mineral wool
50x48 Kg/m³
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Hilux board-2x12mm each side
Stud-98x48x50x0.55mm(Boxed)
FC- 100x32x32x0.55mm
Insulation-Mineral
wool 50x48 Kg/m³ |
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| System Thickness |
90 mm |
148 mm |
150 mm |
| System Height |
4000 mm |
5500 mm |
7000 mm |
| Sound Insulation |
42 dB |
43 dB |
44 dB |
| 2 Hour |
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Hilux board-2x12 mm each side
Stud-48x48x50x0.55 mm
FC- 50x32x32x0.55 mm
Insulation-Mineral wool 50x48 Kg/m³ |
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Hilux board-2x12 mm each
side
Stud-146x48x50x1.00 mm
FC- 148x32x32x01.00 mm
Insulation-Ceramic wool 50x48 Kg/m³
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Hilux board-1x12 mm each side
Stud-146x48x50x1.0 mm(Boxed)
FC- 148x32x32x1.0 mm
Insulation-Ceramic wool
50x48 Kg/m³ |
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| System Thickness |
98 mm |
196 mm |
198 mm |
| System Height |
4200 mm |
7000 mm |
10000 mm |
| Note : Sound insulation values shown above are indicative. Kindly contact Hilux technical service department for details & specification |
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