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    • Gypsum Board
    • Gypsum Board
    • Gypsum Board
    Introduction
    Calcined gypsum (CaSo4 1/2 H2O) evaporating crystallized water heated about 200℃ as raw material, mix with water adding admixtures, put between strong board papers, then reduce to gypsum in stable status to a plate form.
    Byucksan supplies World Class FGD (Flue Gas Desulfurization) gypsum board through KCC Gypsum Board.
    Features
    • Fire Safety

      Originally, gypsum does not burn
      from fire, water particle combined
      chemically to gypsum crystal blocks
      fire expansion and temperature increase
      when exposed to fire, and prevent
      combustion expansion to other structure
      nearby.
      Has both fireproof and flame retardant
      functions required from the Construction
      law, and fireproof structure of bearing
      wall/non-bearing wall, ceiling and floor
      consist of gypsum board has fireproof
      function until 2 hours from KS Standard
      Fire Test.

      Fire Safety
    • Processability

      Easy construction of STUD method,
      gypsum bond method, partition system,
      ceiling system with lower importance and
      easy to cut compared to other construction
      materials, available to have diverse
      decoration i.e. wallpaper, paint, etc. and to
      realize diverse decorations repetitively during
      building life. Available to complete without
      construction delay during winter as curing is
      unnecessary unlike wet construction method
      (masonry, concrete, etc.)

      Processability
    • Eco-friendliness

      Gypsum board is an eco-friendly
      product using the reusable FGD
      (Flue Gas Desulfurization), and
      acquired eco-friendly product
      certificate with reasons of recycling
      valid resources, reducing harmful
      materials, verifying insulation/sound
      absorption as wall and ceiling finishing.

      Eco-friendliness
    • Lightness

      Much lighter than brick wall, concrete
      wall, ALC, light concrete panel and
      others of the same thickness.
      Therefore, available to reduce
      transportation expenses, and slab
      thickness or pillar/crossbeam sizes.

      Lightness
    • Sound Insulation

      Usable to party wall between houses,
      wall requiring noise prevention for
      refreshing internal environment with
      excellent sound insulation and shock
      sound absorption compared to
      its weight or volume. Also, satisfies
      the domestic sound insulation
      regulations.

      Sound Insulation
    • Durability

      Excellent durability for finishing of
      double layer fireproof gypsum board.
      Safely usable to place with many people
      or children where impact can appear.

      Durability
    • Size Stability

      Stable in humidity or temperature
      changes with stable state, and
      no worries for deformation after
      construction i.e. distortion,
      sag, crack, etc.

      Size Stability
    • Diversity

      Available to use as wall with various
      applications i.e. general partition wall,
      corridor wall, party wall between houses,
      shaft enclosure, exterior wall, fire partition
      wall Usable to most new or remodeling
      buildings i.e. office, hospital, hotel,
      dormitory, apartment, etc., and available
      to realize wall without joints, ceiling,
      curved wall, etc.

      Diversity
    General Gypsum Board
    • General Gypsum Board Easy to create beautiful and refreshing space.

      General gypsum board is appropriate for all light dry construction method i.e. wall, ceiling, partition, etc., and used diversely to various building in general purposes. Also, it is strong and light with flame resistance, insulation, sound insulation functions, and is easy to create beautiful and refreshing space as used to curved wall and ceiling.

    Application
    • Wall and ceiling of buildings i.e. apartment, office, school, etc.
    • Curved wall and ceiling, etc.
    • Non-bearing partition wall
    Properties
    Item Board Thickness Applied Standard
    9.5mm 12.5mm 15mm
    Moisture Content (%) 3 or lower KS F 3504
    Bending Failure Load N(kgf) Length Direction 360(36.7) or higher 500(51.0) or higher 650(66.3) or higher
    Width Direction 140(14.3) or higher 180(18.4) or higher 220(22.4) or higher
    Incombustibility Incombustible
    (Semi-noncombustible)
    Non-combustible Non-combustible
    Thermal Resistance ㎡•K/W
    (㎡h℃/kcal)
    0.043(0.05)
    or higher
    0.060(0.07)
    or higher
    0.069(0.08)
    or higher
    ※ [1N = 0.102Kgf , 1(㎡xk)/W = 1.16 (㎡XhX℃)/Kcal]
    Main Size석고보드
    Thickness (mm) Width (mm) Length (mm)
    9.5
    12.5
    15
    900 1800
    2400
    2700
    3000
    1200 2400
    Sound Insulation Gypsum Board
    • 영화관 Provides a solution for a better life.

      Sound insulation gypsum board is a high quality system gypsum board which could create stable and refreshing internal space by reducing displeasure and inefficiency from noise inflow. Byucksan provides numerous light sound insulation system for better noise block, and continuously develops system to achieve the sound insulation level which customers desire.

    Application
    • Residence i.e. apartment, condominium, hotel, etc.
    • Working space i.e. office, school, officetel(Multi-purpose building, office + hotel), hospital, etc.
    • Functional buildings i.e. shopping center, cinema, etc.
    • Non-bearing partition wall, ceiling structure
    Properties
    Item Board Thickness Applied Standard
    12.5mm 15mm
    Moisture Content (%) 3 or lower KS F 3504
    Bending Failure Load N(kgf) Length Direction 500(51.0)
    or higher
    650(66.3)
    or higher
    Width Direction 180(18.4)
    or higher
    220(22.4)
    or higher
    Incombustibility Non-combustible Non-combustible
    Thermal Resistance
    ㎡·K/W(㎡h℃/kcal)
    0.060(0.07)
    or higher
    0.069(0.08)
    or higher
    ※ [1N = 0.102Kgf , 1(㎡xk)/W = 1.16 (㎡XhX℃)/Kcal]
    Main Size차음석고보드
    Thickness (mm) Width (mm) Length (mm)
    12.5
    15
    900 1800
    2400
    2700
    3000
    Fire Resistance
    • Maintain safe life with excellent fire resistance.

      Fire resistant gypsum board is a strong gypsum board with excellent fire resistance, and applied to fireproof structure of various buildings which requires fireproof function. It helps to maintain safe life by providing improved fireproof system, and creates more refreshing space with excellent sound insulation function.

    Application
    • Fireproof partition wall of building and dry fireproofing protection of steel frame
    • Elevator hall, stair wall of leisure, commercial work facilities, etc.
    Properties
    Item Board Thickness Applied Standard
    12.5mm 15mm 19mm 25mm
    Moisture Content (%) 3 or lower KS F 3504
    Bending Failure Load N(kgf) Length Direction 500(51.0)
    or higher
    650(66.3)
    or higher
    KS registration
    In progress
    1000(102.2)
    or higher
    Width Direction 180(18.4)
    or higher
    220(22.4)
    or higher
    380(38.8)
    or higher
    Impact Resistance Diameter of the concave part shall be 25mm or less, and no crack to go through.
    fireproof Shall no rupture or fall.
    Incombustibility Non-combustible
    Thermal Resistance ㎡•K/W(㎡h℃/kcal) 0.060(0.07)
    or higher
    0.069(0.08)
    or higher
    KS registration
    In progress
    0.095(0.11)
    or higher
    Mass per Unit Area (kg/㎡) 10.3
    or higher
    12.2
    or higher
    20.5
    or higher
    ※ [1N = 0.102Kgf , 1(㎡xk)/W = 1.16 (㎡XhX℃)/Kcal]
    Main Size
    Thickness (mm) Width (mm) Length (mm)
    12.5
    15
    19
    25
    600
    900
    1800
    2400
    2700
    3000
    1200 2400
    Waterproof Gypsum Board
    • Water resistance had been improved by waterproof treatment.

      Waterproof gypsum board is a gypsum board which maintains high strength and waterproof function from high humidity area, and show excellent water resistance by applying to part where waterproof treatment is difficult. It is available to construct with light dry construction method to various buildings, and more efficient if mixed with general gypsum board.

    Application
    • Wall of highly humid bathroom, kitchen, restroom, etc., and wall of ceramic tile
    • Long-term humid construction area i.e. basement, backer board for factory ceiling and interior finishing
    Properties
    Item Board Thickness Applied Standard
    9.5mm 12.5mm 15mm
    Moisture Content (%) 3 or lower KS F 3504
    Bending Failure Load N(kgf) Dry 360(36.7)
    or higher
    500(51.0)
    or higher
    650(66.3)
    or higher
    Wet 220(22.4)
    or higher
    300(30.6)
    or higher
    390(39.8)
    or higher
    Flaking resistance Delamination
    resistance when absorbed
    Gypsum and paper shall not flaking
    Absorptiveness Total Absorption Ratio (%) 10 or lower
    Surface Absorption Ratio (g) 2 or lower
    Incombustibility Incombustible
    (Semi-noncombustible)
    Thermal Resistance
    ㎡·K/W(㎡h℃/kcal)
    0.043(0.05)
    or higher
    0.052(0.06)
    or higher
    0.060(0.07)
    or higher
    Mass per Unit Area (kg/㎡) 5.7 ~8.6 7.5 ~11.3 9.0 ~ 13.5
    ※ [1N = 0.102Kgf , 1(㎡xk)/W = 1.16 (㎡XhX℃)/Kcal]
    Main Size
    Thickness (mm) Width (mm) Length (mm)
    9.5
    12.5
    15
    900 1800
    2400
    2700
    3000
    1200 2400
    Fire/Waterproof Gypsum Board
    • Enhance efficiency by adding waterproof function tofireproof.

      Fire/Waterproof gypsum board is a multi-functional product with both fireproof and waterproof functions. It is a new concept gypsum board with many advantages from many ways; constructing fireproof gypsum board to place exposed to humidity i.e. bathroom, kitchen, dressing room, etc., economic feasibility, space feasibility, construction efficiency and others than the current method which additionally attaches waterproof gypsum board to fireproof wall.

    Application
    • Steel frame apartment, officetel(Multi-purpose building, office + hotel), commercial building, etc.
    • Fireproof area of various buildings where might expose to humidity i.e. bathroom, kitchen, dressing room, etc.
    Properties
    Item Board Thickness Applied Standard
    12.5mm 15mm 19mm
    Moisture Content (%) 3 or lower KS F 3504
    (Waterproof board,
    fireproof board)
    Bending Failure Load N(kgf) While Drying Length Direction 500(51.0)
    or higher
    650(66.3)
    or higher
    Process KS registration
    Width Direction 180(18.4)
    or higher
    220(22.4)
    or higher
    Wet 300(30.6)
    or higher
    390(39.8)
    or higher
    Impact Resistance Diameter of the concave part shall be 25mm or less, and no crack to go through.
    fireproof Must never rupture or fall.
    Incombustibility Non-combustible
    Thermal Resistance
    ㎡•K/W(㎡h℃/kcal)
    0.060(0.07)
    or higher
    0.069(0.08)
    or higher
    Process KS registration
    Mass per Unit Area (kg/㎡) 10.3
    or higher
    12.2
    or higher
    Absorptiveness Total Absorption Ratio (%) 10 or lower
    Surface Absorption Ratio (g) 2 or lower
    ※ [1N = 0.102Kgf , 1(㎡xk)/W = 1.16 (㎡XhX℃)/Kcal]
    Main Size
    Thickness (mm) Width (mm) Length (mm)
    12.5
    15
    19
    900 1800
    2400
    2700
    1200 3000
    Anti-Bacterial Gypsum Board
    • Safe with non-toxic anti-bacterial fluid.

      Anti-bacterial gypsum board has both safety and sanitation by using non-toxic anti-bacterial fluid, and suppresses mold infestation and increase. Necessary to apply anti-bacterial paint (water repellent) or have vinyl protection cover to maintain high function of gypsum board, and excellent in mold prevention when use anti-bacterial gypsum board together.

    Application
    • Part considered to have mold with high temperature and humid site conditions
    • Place where requires clean and sanitary space
    • Part considered to have dew condensation due to temperature difference from outside
    Cause of mold infestation
    • Humidity, mold spores, nutriment are compulsory for mold infestation.
      As artificial removal of mold spores finely distributed in air and nutriment included in construction material is impossible, removal of humidity via ventilation is the most effective method.
    Properties
    Item Board Thickness Applied Standard
    9.5mm 12.5mm 15mm
    Moisture Content (%) 3 or lower KS F 3504
    Bending Failure Load N(kgf) Length Direction 360(36.7)
    or higher
    500(51.0)
    or higher
    650(66.3)
    or higher
    Width Direction 140(14.3)
    or higher
    180(18.4)
    or higher
    220(22.4)
    or higher
    Incombustibility Incombustible
    (Semi-noncombustible)
    Non-combustible Non-combustible
    Thermal Resistance
    ㎡·K/W(㎡h℃/kcal)
    0.043(0.05)
    or higher
    0.060(0.07)
    or higher
    0.069(0.08)
    or higher
    Mass per Unit Area (kg/㎡) 5.7~8.6 7.5~11.3 9.0~13.5
    ※ [1N = 0.102Kgf , 1(㎡xk)/W = 1.16 (㎡XhX℃)/Kcal]
    Main Size
    Thickness (mm) Width (mm) Length (mm)
    9.5
    12.5
    15
    900 1800
    2400
    2700
    1200 2400
    ※ Other size products are producible upon agreement.