SIG know insulation inside out
SIG pioneered insulation distribution over 60 years ago and have since become the UK’s market leading specialist distributor of Insulation systems and related products to the construction industry. We are actively involved in energy conservation through a number of our business streams and have taken the lead in the drive towards sustainability.
Source all your insulation and drylining needs in one place
SIG Distribution is a division of SIG Plc and is the UK’s leading specialist construction supplier.
Our branches not only supply insulation systems but also a comprehensive range of additional products making our branches the one stop shop for all your insulation and drylining needs.

SIG CWI 40
- SIG CWI 40 BBA Certificate 11/4834
- SIG CWI 40 is one of the leading solutions for retrofit cavity wall installations
- For technical information, please see the SIG Cavity Wall Insulation 40 Installation Manual

SIG CWI 34
- SIG CWI 34 BBA Certificate 15/5244
- SIG CWI 34 is specifically designed for new build cavity wall installations
- For technical information, please see the SIG Cavity Wall Insulation 34 Installation Manual

SIG CWI CARBONPLUS
- SIG CWI CarbonPlus BBA Certificate 13/5001
- Specially manufactured for cavities 40mm and above and can also be used in partial fill installations
- For technical information, please see the SIG Cavity Wall Insulation CarbonPlus Installation Manual

SIG CWI Party Wall
- SIG CWI Party Wall BBA Certificate 19/5625
- SIG CWI Party Wall is specifically designed for use in internal separating masonry party walls
- For technical information, please see the SIG Cavity Wall Insulation Party Wall Installation Manual
SIG Insulation’s product range includes:
- Loft Insulation
- Roof Insulation
- Floor Insulation
- Draft Proofing
- Personal Protective Equipment
- Ventilation