McCulloughs Ltd have a manufacturing company on site under the name of Mr Spiral Ltd; By using Mr Spiral Ltd, you can be assured that you are using a leading company who are approved and licensed to manufacture and sell non-coated fire rated ductwork tested to EN1366-1. All fire-rated ductwork manufactured by Mr Spiral Ltd is produced under controlled factory conditions, from raw material to finished product.

For more information on supplying fire rated ductwork, please send an email with your enquiry to sales@mrspiral.co.uk or phone 01638 354886.

McCulloughs Ltd can supply and install fire rated ductwork all around the UK and are LPCB approved and certified to install fire rated ductwork and fire dampers. Please email mcc@mcculloughs.co.uk or phone 01638 666489 for more information.