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Welcome to the Airtight Online Webshop your one stop shop for SIGA Tapes and Membranes.

We stock the entire SIGA range and all products are dispatched very quickly and always within 1 working day (when ordered before 12 noon)

We are committed to the highest levels of customer service. 

The entire SIGA range is available here but if you need any further information or advice please send a message through to our friendly and helpful staff where we will be happy to assist you.

SIGA is leading in the development, production and distribution of products free from residential toxins for the air and windtight building envelopes. SIGA-sealed buildings are characterised by low heating and ventilation costs, higher standard of comfort without drafts and protection from mould.