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STRUCTURAL INSULATED PANEL DIMENSIONS
Thickness: 150mm or 180mm thick panels are available 1.2m wide up to 6.5m in length. Used to create the walls & roof of the structure.
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INTERNAL/PARTITION WALLS:
Basic stud frame construction, with OSB sheathing board to both sides. Acoustic insulation where required. |
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INTERMIDIATE FLOOR
Engineered metal web joists, to allow easier routing of services etc. 22mm T&G flooring glued & screwed to joists. |
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THERMAL PERFORMANCE
The thermal conductivity of the OSB 3 is 0.14 W/mK. That of the rigid urethane insulation core is 0.025 W/mK.
SIP panels have a thermal resistance of (R-Value) 4.614 m2.K/W |
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FIRE PERFORMANCE
The SIP's exceed the Building Regulations / Standards requirements with regards to fire resistance. It achieves 54 minutes fire resistance and structural integrity when internally lined with 12.5mm thick standard plasterboard and 73 minutes fire resistance and structural integrity when lined with 12.5mm thick fire resistant plasterboard when tested in accordance with BS 476: Part 21: 1987. |
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RESISTANCE TO AIRBORNE SOUND
Field tests to BS EN ISO 140-4: 1998 on separating walls, externally faced with 12.5mm plasterboard, 19mm gypsum planks and 9.5mm plasterboard to each wall panel achieved an average sound reduction of 58 dB.
A laboratory test on a single wall panel with no internal dry lining achieved a sound reduction (Rw) of 31 dB.
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