Exterior Systems

Protect Building Exteriors

From improving thermal efficiency to adding colour, we offer a range of exterior masonry paints, render and EWI systems to protect building exteriors.

Within Johnstone’s Trade Stormshield range we offer a range of masonry paints to protect building exteriors alongside a range of high performance Render systems for direct application to a diverse number of substrates.

The Johnstone’s Trade Stormshield range includes:

High Performance renders

External Wall Insulation systems

Exterior masonry paints

Find inspiration and colours in our brochure

BBA Approvals

Many of the products in the Johnstone’s Stormshield range have been certified by the BBA (British Board of Agrément). Products carrying the BBA logo have undergone rigorous independent testing and have been awarded life expectancies of more than 8, 10 or 15 years.

Colour and Finish

Johnstone’s Trade Render & EWI systems are offered in a wide range of finishes including silicone enhanced, full silicone, traditional scratch, dash and brick effect renders.

Johnstone’s basecoat and cement renders can also be finished with Johnstone’s Trade Stormshield Masonry paints in a range of colours.


Select a product below to view structured properties, technical data and third party certifications and add directly to your NBS Chorus project specification.

NBS Specifications

Access product data, certifications and specification information for Johnstone’s Trade, PPG & GORI.

Specification Writing

Supporting you through the specification process at every stage.