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SKYLITE

SKYLITE

Corrugated-Type PC Multiwall Sheet

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Purpose
  • Cattle shed roof, Roof lighting for various factories, Walls, Existing PET/FRP/single-layer PC corrugated board, Rain protection for houses, etc.
Characteristics
  • Thermal insulation and noise reduction
    Maintaining high visible light transmittance, enhancing insulation properties, and reducing noise through the air layer.
  • Refracted light
    Maintaining high transmittance (75 to 78%) while diffusing direct sunlight through the rib structure to reduce its impact.
  • Lightweight
    Our product weighs only one-third of single-layer PC with the same thickness.
  • Strong
    Despite its light weight, our product offers sufficient strength and structural stability due to the vertical ribs.
  • Compatibility
    Possible to connect to color steel plates and foam panels by utilizing the existing V-250 waveforms.
  • Durability against weather and chemicals
    Addressing the issue of corrosion and yellowing caused by ammonia gas emissions in cattle sheds by using the co-extrusion method to increase its chemical and weather resistance.
  • Implementing a double-wall PC structure utilizing the existing V-250 type general PC.
  • Only differentiated product in Korea to replace the existing market leader and meet customer needs (Durability against weather and chemicals).
Specification (V-250)
Product type Model name Thickness(mm) Color Product width(mm) Rib intervals(mm) Weight(kg/m) Light transmittance(%) Double-sided coating thickness(㎛) Length(mm)
(Other lengths available by consultation)
Multi-layer corrugated board
(1-Layer)		 SR2NV 4 Transparent
Green
Brown		 1,090
(Effective width1,000)		 6 1.35 75   4200/6200
Functional multi-layer corrugated board
(3-Layer)		 SR2RV 4 Transparent
Green
Brown		 1,090
(Effective width 1,000)		 6 1.35 75 30 4200/6200
Specification (C-63)
Product type Model name Thickness(mm) Color Product width(mm) Rib intervals(mm) Weight(kg/m) Light transmittance(%) Double-sided coating thickness(㎛) Board overlap Length(mm)
(Other lengths available by consultation)
Multi-layer corrugated board
(1-Layer)		 SR2NC 3 Transparent
Green
Brown
Smog		 1,080
(Effective width 970)		 6 1.30 78 30 2 1800/2100
2400/3000
4200/4800
5400/6200
Weather resistance evaluation
Chemical resistance evaluation
Item General multi-layer sheet Functional multi-layer sheet 비고
Appearance changes over time 50hr
100hr
200hr
Limitations of existing roofing materials
General single layer Multi-layer corrugated board
General PC single-layer corrugated board Highly functional PC multi-layer corrugated board
Insufficient weather resistance
(Deteriorated transparency due to long-term exposure to UV)		 Improved weather resistance with double-sided UV protection
Insufficient chemical resistance
(PC material vulnerable to chemicals)		 Improved chemical resistance and impact resistance with polyester resin and alloy
Deteriorated impact resistance due to exposure to UV , ammonia gas, and hail Reduced noise
(Reduced sharp sound when it rains)
- Direct sunlight prevention by rib structure
(Reduced stress of livestock in cattle sheds)
Comparison of single-layer boards and double-layer boards
Comparison
  General PC single-layer corrugated board 3-layer co-extrusion PC multi-layer corrugated board
Product structure
Lightweight 1.8kg/m2 (based on 1.5T) 1.35kg/m2 (25% ↓ compared to single-layer PC)
Strong Insufficient impact resistance due to thinness (1mm) Secures sufficient strength and structural stability due to vertical ribs
Compatibility Supports connection with color steel sheet, foam panel, etc. Supports connection with existing color steel sheet, foam panel, etc.
SKYLITE CURVE SPEC

General (SR2NV)

Test items Unit Measurement standard Test result
Transmittance % ASTMD1003 75
Haze % ASTMD1003 31
Specific gravity - ASTM D792 1.02
UV coating um - 0
Combustible - KS M 3015 Self-extinguishing
Heating elongation rate % KSM ISO 11833 -0.02

Functional(SR2RV)

Test items Unit Measurement standard Test result
Transmittance % ASTMD1003 75
Haze % ASTMD1003 32.5
Specific gravity - ASTM D792 1.03
UV coating um - 30
Combustible - KS M 3015 Self-extinguishing
Heating elongation rate % KSM ISO 11833 -0.02
Expected installation diagram
Subsidiary materials
CAP(fixing to the frame, connecting to the upper pitch of the waveform) Fixing screws Others
Silicone (non-acetic acid alcohol type)
End cap (EPDM)
Anti-vibration tape
Waterproof piece
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