Air & Weather Tightness

Creating an air and weather tight envelope is an essential element to a high-performing home. Our membranes, tapes and sealants are designed to work together to stop air from escaping – achieving that cocoon-like haven.

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How the SIGA products work

The SIGA product range is designed to work as a family of membranes, tapes and sealants to achieve a total air and windproof building envelope for residential and commercial buildings. Their products have been developed for specific areas of the building, the roof, and the external part of the building.

Download the SIGA corporate brochure

5Merchants are proud distributors of SIGA products in New Zealand. Swiss based, SIGA are leaders in airtightness products protecting the very fabric and core of the structure ensuring the healthiest comfortable space. 5Merchants offers a huge range of the SIGA products bringing that European excellence to New Zealand to create healthy spaces.

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Download the SIGA manual

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