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Passive House certified loft ladder

by Premier Loft Ladders Ltd


The Passivhaus Institute has recently awarded the Designo wooden loft ladder certification for use in passive house projects. Available from Premier Loft Ladders, the Designo features the latest innovations in loft ladder design to perfectly balance aesthetics with performance. It offers excellent thermal efficiency (U value 0.60 W/m2K) and an airtight seal (class 4) thanks to a highly insulated trapdoor with 6-point locking mechanism.

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