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The thermal transmittance, i.e. ‘U’ value, of any wall construction depends on the thermal characteristics of the individual components being used. The design of the Housing Lintel is such that it allows for continuity of construction down to window head level.
Housing Lintels are supplied insulated with CFC-free, high density polystyrene manufactured in accordance with BS 3837 : Part 1 : 2004 to be CFC-free with an ozone depletion potential of zero.
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