Passive House Certified Loft Ladder

The Passivhaus Institute has awarded the Designo wooden loft ladder certification for use in passive buildings.

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 certified) thanks to a highly insulated trapdoor with 6-point locking mechanism.

The Designo also benefits high strength performance; rated to 180kg per tread. This makes it ideal for demanding projects. Furthermore, it features concealed hinges and a discrete, recessed operating latch. The result is a high quality, seamless finish.

About Premier Loft Ladders

Premier Loft Ladders are an established supplier of premium wooden loft ladders and retractable (concertina) aluminium loft ladders and have become the preferred choice of architects and building industry professionals throughout the UK. The company’s products are manufactured to EN 14975 and are designed for use in a wide variety of situations and available with a wide variety of options, including flat roof access, fire resistant trapdoors, electrical operation and vertical access.

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