Shellcast access panels: Have been designed to comply with building regulations in relation to fire protection of structural steel lintels. Why use Shellcast access panel when other companies say to use timber? The most important point is fire protection to the lintel and preventing fire spread within the cavity. Insulation is the second element a crucial aspect of any new build project   General Properties - Resistant to the effects of moisture, humidity changes, rot, insects, termites, vermin, Shellboard is designed as a non-combustible material to BS476 Part 4.
Applications - Shellboard is tested to BS 476 Part 4, and is fire rated non-combustible.
Shellboard is off white in colour and can be finished with a range of paints, plasters, wallpapers and tile options.
Nominal density 1150 kg/m3
Thermal Conductivity 0.14W/mk
Moisture Content ≤9%
Moisture Movement (EMC to Saturated) ≤0.15%
Fire Rating BS476 Part 4 Non-combustible
Durability (life expectancy - minimum) 30 years
Standard board size 2400mm
Thickness (mm) 9 Weight (kg/m2) 10.4 Sound insulation (dB) 28
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