External Wall Insulation

At GKS Builders Yard, we don’t just supply External Wall Insulation materials, we also help homeowners, landlords, developers, and contractors deliver complete EWI projects from start to finish.

Whether you're improving energy efficiency, modernising the appearance of a property, or upgrading older render systems, we can support your project with both materials and installation expertise.

What is External Wall Insulation?

External Wall Insulation (EWI) involves fixing insulation boards to the outside of a building before applying reinforcing layers and a decorative render finish. It improves thermal performance, protects the structure, and transforms the appearance of a property.

EWI can help:

Reduce heat loss and improve energy efficiency
Lower heating costs
Modernise tired or damaged exteriors
Improve weather resistance
Reduce condensation and damp-related issues
Increase comfort inside the property year-round

Our EWI Services

We can assist with:

Full external wall insulation installation
Silicone render systems
EPS insulation systems
Mineral wool systems
Mesh and basecoat application
Decorative render finishes
Repairs and upgrades to existing render systems
Supply of complete EWI systems and accessories

We work with trusted European suppliers and quality materials used across residential and commercial projects.

Suitable for

Our EWI services are suitable for:

Houses
Extensions
Flats and apartment blocks
Commercial buildings
Renovation projects
New build developments

Why Choose GKS Builders Yard?

Quality Materials

We source high-quality EWI systems and building materials directly from trusted manufacturers, helping deliver strong value without compromising on quality.

Practical Experience

We understand both the supply side and the installation side of EWI projects, meaning we can help customers choose the right system for the job.

Trade & Residential Support

Whether you're a homeowner planning a renovation or a contractor managing multiple sites, we aim to provide straightforward advice, fair pricing, and reliable support.

East London Roots

Built from a practical trade background, GKS Builders Yard focuses on honest service, dependable materials, and keeping projects moving.

Get a Quote

If you're planning an external wall insulation project, get in touch with the team to discuss your requirements.

We can help with:

Material supply
System recommendations
Installation enquiries
Trade pricing
Project support