Caltech is an adhesively bonded soffit liner. A non combustible calcium silicate board, typically 6mm thick, is bonded to a mineral wool, polystyrene or phenolic insulation medium to form a thermally and acoustically sound, impact resistant soffit liner which can be fixed to concrete soffits in semi-exposed situations.
Flexibility of board size and insulation medium combine to provide cost effective solutions to bespoke installations.
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Technical Data
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Basic Composition - Caltech is an adhesively bonded soffit liner combining a non combustible calcium silicate board with an insulation medium of either mineral wool, polystyrene or phenolic insulation.
General Properties - Caltech is resistant to water penetration, humidity changes, rot, insects, termites vermin and is fire rated class 0. The insulation is odourless and non-hygroscopic.
Machine-ability - Caltech can be cut, drilled, nailed and worked in a similar fashion to timber and chipboard with standard wood working tools.
Applications - Caltech is primarily used as a means of providing insulation to car park ceilings.
Maintenance - Virtually maintenance free - cost effective.
Health & Safety - Appropriate health and safety precautions must be adhered to when working with this product (see lifting and handling section).
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| Calcium Silicate Board |
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| Nominal density |
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1150 kg/m3 |
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| Bending Strength (Modulus of Rupture) |
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≥9 N/mm2 |
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| Modulus of Elasticity (MoE) |
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4.2Mpa |
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| Thermal Conductivity |
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0.14 W/mk |
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| Moisture Content |
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≤9% |
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| Moisture Movement (EMC to Saturated) |
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≤0.15% |
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| Fire Rating |
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BS476 Part 4 Non-combustible |
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| Fungus attack |
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Highly resistant |
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| Termite attack |
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Highly resistant |
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| Frost resistance |
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3 star |
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| Durability (life expectancy) |
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30 years |
| Insulation Medium |
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Medium Wool |
Polystyrene |
Phenolic |
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| Thermal Conductivity |
0.035 |
0.038 |
0.022 |
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| Dry density |
100 |
15 |
42 |
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| Compressive strength |
17
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70 |
>100 |
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| Standard board sizes |
1200 x 600mm, 1200 x 1200mm & 2400 x 1200mm |
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| Thickness (mm) |
6mm board with 50, 60, 70, 80, 90 & 100mm insulation |
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