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Welcome to the Heatflow Underlays website

We are specialists in underfloor carpet and wood & laminate underlays manufactured by Interfloor UK.  Supplying you with Tredaire and Duralay Heatflow, underlays specifically manufactured for use with underfloor heating, their low tog values let the heat flow through and keep you warm.

We are a Christchurch company, based in the heart of New Zealand’s South Island.  Together with our insulation business, Home Insulation Christchurch Ltd, we have been supplying and distributing underfloor heating underlays to carpet companies nationwide since 2014.

If you have underfloor heating – we supply you with the only Carpet Underlays recommended by NZ Underfloor Heating Engineers.

Interior Modern Brick House


476 St Asaph St
Christchurch, 8011
New Zealand

+64 3 381 1111

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