Slate External Wall Insulation
- Solid Wall Insulation Services by Slate Ltd.
External Wall Insulation Installers
Slate Insulations Ltd are your trusted, fully accredited specialists in Solid Wall Insulation (SWI), delivering professionally installed systems across the South East and reaching into the South West with a long-standing, reliable service.
- Fast, Hassle-Free Professional Installation
- Cut Energy Bills With A Warmer Home
- Upgrade Your Exterior And Boost Property Value
Make Your Property Warmer With Quality External Wall Insulation
Improve comfort, cut heat loss, and refresh your home’s exterior across the South East and South West of England with our quality External Wall Insulation. Enjoy long-lasting performance, expert installation, and a warmer property that delivers real energy savings season after season.
Call Us Today – Our Team Is Here to Help
Why Choose Us
Best Solution For Older Homes
Properties built before the 1920s often have solid walls without a cavity, making traditional insulation difficult. The good news is these homes can be fully upgraded with modern External Wall Insulation systems.
Slate External Wall Insulation Services are certified specialists in ETICS (External Thermal Insulation Composite Systems). We provide long-lasting protective renders and wall coatings for both private and commercial properties, enhancing comfort, efficiency, and the exterior appearance of your building.
Lower Heating Costs
Cut energy expenses effectively by reducing heat loss through your walls and improving energy efficiency.
Warmer Home Comfort
Create a warmer, more comfortable home by insulating walls and keeping heat securely inside.
Limits CO₂ Pollution
Lower your home’s environmental impact while enjoying modern insulation that saves energy and reduces emissions.
Stop Damp & Mold Growth
Reduce condensation and protect your walls, creating a healthier, moisture-free living environment for your family.
Block External Noise
Enjoy a quieter home environment as insulation blocks external sounds, improving peace and comfort indoors.
Minimal Maintenance Required
Help the environment by burning less fossil fuel, with insulation that requires minimal ongoing upkeep.
Specialist Insulation Services
External Wall Insulation (EWI Systems)
External Wall Insulation for Solid Wall Properties (EWI Systems)
External Wall Insulation is the ideal solution for solid wall properties across the South East and parts of the South West of England. Our accredited team installs high-quality, system-backed insulation that reduces heat loss, improves thermal efficiency, protects against damp, and enhances your home’s exterior, delivering long-term comfort, energy savings, and increased property value.
External / Solid Wall Insulation
Our expert team delivers External Wall Insulation for solid wall homes and external wall upgrades, improving comfort, efficiency, and appearance.
Insulated Façade Systems
System-based solutions using EWI Pro and Wetherby Wall Systems provide durable thermal protection while enhancing your property’s exterior appearance.
External Rendering
Professional render-only installations for walls without insulation. Choose from dash render, textured, brick effect, or brick slip finishes.
Insulation Materials
Premium materials suited to every need: EPS for walls, Rockwool slabs for thermal and acoustic performance, XPS below DPC prevents cold spots.
How We Work
From Start To Completion
Wall Preparation Complete
We thoroughly clean and treat external walls with a fungicidal wash, ensuring surfaces are fully ready for insulation.
Insulation Boards Affixed
High-performance insulation boards are carefully fixed to the walls, forming the foundation of an energy-efficient, warm home.
Reinforced Base Coat
A base coat of render, reinforced with mesh, is applied over the insulation, ensuring durability and long-lasting protection.
Final Render Applied
The top coat of render is applied in your choice of colours and textures, enhancing appearance while improving thermal efficiency.
Frequently ask questions
We’re Here to Help!
Find answers to common questions about our insulation services. Still unsure? Contact us now for expert advice.
How long does External Wall Insulation take?
Our solar panels, heat pumps, and insulation work together to optimize your home’s energy efficiency, reduce costs, and increase comfort by using renewable energy to power your home sustainably.
How much can I save on energy bills?
Installation typically takes several days depending on property size. Our team works efficiently with minimal disruption, ensuring high-quality, long-lasting results.
What colours and textures can I choose for my walls?
We offer a wide range of colours and textures, including brick effect renders with adjustable tints for a personalised finish.
Is the installation guaranteed?
Yes, all funded work is covered by a 25-year SWIGA guarantee, giving peace of mind and long-term protection.
Is maintenance required after installation?
Minimal maintenance is required. Our high-quality render systems are durable, weather-resistant, and long-lasting, providing protection for many years.
Client Experiences
Hear From Our Customers
See why homeowners across the South East and South West trust Slate Insulation Ltd to improve comfort, save energy, and enhance homes.
Verified Standard
Memberships & Certifications
We are proud members of leading industry organisations, holding certifications that demonstrate trust, professionalism, and high-quality insulation services.
Get In Touch Today
Have a query? Speak to our friendly team today for support, advice, and solutions tailored to your needs.
- 30 Vian Close Gosport Hampshire PO13 0TX
- 0800 1455988
- [email protected]
Areas We Cover
We provide expert External Wall Insulation services across the South East and parts of South West England.
Our Working Hours
Mon-Fri: 8am-6pm, Sat: 9am-4pm