Our Head Office is located algonside our St Helens plant and houses most central functions for Knauf Insulation UK.

The postal address is:

Knauf Insulation Ltd
PO Box 10
Stafford Road
St Helens
WA 10 3NS


Main number

Tel: 01744 766600

Technical Support Team

Tel: 01744 766666 (8.00am to 5.00pm Mon-Thurs and 8.00am to 4.00pm Fri)


Sales and Customer Service

Tel: 01744 766766 (8.00am to 5.30pm Mon-Thurs and 8.00am to 5:00pm Fri)



Tel: 08700 668660

Who should I call:

Knauf Insulation offer unparalleled expert advice on all our products and solutions through our in-house Technical Support Team (TST) who provide free, expert advice for our distributors, builders merchants, stockist's, architects and any customer involved in the construction industry and the wider specification community.

Our TST help desk is staffed from 8.00am to 5.00pm Monday to Thursday and 8.00am to 4.00pm Friday and we will endeavour to respond to emails within 24 hours. Contact the TST on 01744 76 66 66 or email

As well as technical advice, the TST can provide a wide range of services including:

  • Expert advice and guidance on all parts of the Building Regulations
  • Expert advice and guidance on the thermal, acoustic and fire performance of products and applications
  • Expert advice regarding SAP calculations
  • U-value calculations and condensation analysis in accordance with the BBA/TIMSA U-value Competency Scheme
  • 2D heat loss calculations to create Psi values and F-factors
  • 3D heat loss calculations Creation of CAD details Creation of NBS clauses 

Sales and Customer Service

Contact our friendly and helpful customer service team for commercial customer service and sales enquiries.

Literature Enquiries

Contact our literature hotline on 08700 668 660 to request copies of literature or samples.