SIG Retrofit is a support brand to SIG Insulation, focusing on overseeing and managing the supply of SIG’s branded insulation systems. Formed in 2010, SIG Retrofit has been helping installing companies become accredited to install our industry approved Cavity Wall Insulation systems.

In this time, we have forged a reputation for reliability and credibility, growing our installer network nationwide.

Although referred to as SIG Retrofit, our team also supports a network of approved installers in the installation of Cavity Wall Insulation into the new build market. We can therefore provide you with all the insulation systems you require.

In addition, SIG Insulation’s vast product range provides solutions for all your needs in one place and makes SIG Insulation one of the leading distributors in the construction industry.