Archive July 2016
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The attic hatch is generally the single largest penetration in a ceiling of a building. The airtightness and thermal resistance of an attic hatch has a direct & significant effect on the overall thermal performance of a ceiling.
One of the most significant factors required to maximize the energy efficiency of a roof, particularly when insulation follows the pitch of a roof, is to ensure that it is sealed both airtightly internally with a suitable vapour control layer such as INTELLO PLUS and wind tightly externally with a suitable diffusion open membrane such as SOLITEX PLUS CONNECT.