Published 08-02-2022
| Article appears in February Issue

High-speed doors for temperature and sound insulation

07-02-2022

The high-speed doors provided by Sydney-based DMF International are designed to offer temperature and sound insulation. They are useful to lower air conditioning power costs, protect stock from the effects of varying temperatures and increase employee comfort.

DMF International supplies and instals locally manufactured high speed roll doors and the premium Efaflex high speed doors from Germany. Also called rapid roller doors, these products are designed for a high frequency of use with opening and closing speeds suitable to protect against the loss of costly conditioned or chilled air through doorways.

Insulated door blade

The locally manufactured RL3000Coldsaver door comes with an insulated door blade that is 15 mm thick flexible PVC with insulate core, providing a temperature insulation of 0.91 W/m2K or sound insulation of R=22.

For the Efaflex spiral doors, the door blade is made from aluminium, core filled with a PU foam, available in thicknesses from 40mm to 80mm depending on the model selected. The temperature insulation provided is from 0.6 W/m2K or sound insulation from R=25.

The Eflaflex spiral doors offer a quiet operation at up to 2.0m/sec depending on their size. They operate by rolling over a spiral design at turbo speed with minimal wear. Suitable for a wide variety of applications, these doors can accommodate openings up to 8m high and 8m wide and can be exposed to high winds.

Suitable applications include warehouses, processing areas, distribution centres, mining stores or sites requiring security, high speed action and insulation. Additional componentry can be used to configure these doors for bulk chiller and freezer applications.

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