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Product Description

Spiro-set is a light weight air duct, machine formed in a continuous spiral from aluminium strip coil stock, corrugated and seamed with a four ply lock seam, creating an airtight tube which can be easily cut to length and bent by hand to conform to a desired duct route, with-out altering its full circular cross section. It is a characteristic of Spiro-set that it will retain whatever configuration is required and is self supporting over its normal maximum length of 3 metres. Spiro-set is available plain (without insulation), thermally insulated or acoustic (perforated) insulated.

Test Certificates:
BRANZ Test certificates FE1681 to AS1530.3 and Opinion Number 92/264.

Product Specification

Series Spiro-Set Lightweight aluminium construction, spirally wound corrugated ductwork, with a four ply lockseam to provide an airtight tube, suitable for HVAC applications. It can easily be cut and bent by hand and maintain the configuration required, without deforming its circular cross section.

With the inclusion of a lofted polyester blanket and a polyethylene external vapour barrier, it is available as an Insulated or Acoustic Insulated Option. Complies with ASA4254: 2002, AS1530.3 and UL181.

All shall be Series Spiro-Set as manufactured by Holyoake.

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