Over 15 Years Industry Experience
Corkshield have been providing homeowners and commercial landlords with quality thermal and acoustic insulation services across the United Kingdom for years
500+ Projects Nationwide And Growing
Our expertise using insulation products allows us to deliver exceptional reliable alternatives to painting and rendering solutions for homes and buildings across the country
Ecological & Social Responsibility
We are committed to supporting the low carbon economy roadmap towards 2050 and improving our products sustainability while considering environmental impact and long term resource efficiency
Due to the damp and humid climate in the UK, many homes suffer from poor air quality and are at risk of black spot mould.
These conditions can lead to respiratory infections, allergies, asthma, immune system issues and other health concerns, particularly during colder months when ventilation is reduced.
Improving insulation and ventilation helps reduce condensation, prevent mould growth, and create a healthier indoor environment.

How Internal Insulation Works
Reduces Condensation
Cold external walls attract water vapour which turns into condensation. Insulating internal walls helps prevent this process and reduces mould growth.
Moves The Dew Point
The thermal properties of cork warm the walls sufficiently to move the dew point and stop condensation forming on surfaces.
Breathable Material
The material is breathable and allows vapour to pass through walls, preventing moisture build up on internal surfaces.
Improves Air Quality
Reducing damp and condensation helps improve indoor air quality and creates a healthier living environment.
Corkshield’s internal wall insulation uses a thin layer of spray applied natural cork, a sustainable material with excellent thermal and breathable properties.
This solution can be applied internally and finished with a smooth surface that can be plastered and painted, giving full decorative flexibility.
The final coating is only 6 to 8mm thick so there is no need to replace fixtures or sockets.
You are left with an invisible solution that helps prevent damp and mould from forming.
Corkshield’s coatings improve thermal performance while protecting internal walls from moisture and environmental conditions.
Natural thermal properties can reduce heat loss by up to 30% and provide insulation that is significantly more effective than traditional materials.
The breathable structure helps prevent condensation while maintaining a balanced internal environment.
This results in improved comfort, reduced energy consumption, and long term protection for your property.
Corkshield’s internal wall insulation offers a range of benefits that improve comfort, durability, and energy efficiency.
Thermal Performance Reduces heat loss and improves energy efficiency within the home.
Breathable Solution Allows vapour to pass through walls preventing moisture build up.
Fire Resistant Euro class B safety rating with water resistant and breathable properties.
Acoustic Insulation Absorbs sound and improves indoor comfort levels.
Contact Corkshield today to learn more about internal wall insulation and book your free wall survey…

Frequently Asked Questions
What is internal wall insulation using spray cork?
A thin, natural cork coating applied internally to improve insulation, reduce heat loss, and maintain breathable, comfortable living spaces.
How does spray cork improve indoor comfort?
It stabilises indoor temperatures, reduces cold walls, and helps eliminate condensation, creating a warmer and more comfortable environment.
Is internal cork insulation breathable?
Yes, it allows moisture to escape while preventing damp buildup, helping protect walls and improve indoor air quality.
Will it reduce my energy bills?
Improved insulation reduces heat loss, meaning less energy is needed to heat your home, helping lower energy costs.
How thick is the spray cork application?
It’s a thin coating typically just a few millimetres (6 to 8mm) making it ideal where space is limited compared to traditional insulation systems.
Book your free wall survey today by completing the form below and take the first step towards improving your property’s efficiency and performance. Our specialist team will carry out a thorough inspection to identify any heat loss or moisture issues, providing practical solutions to enhance comfort and long-term protection.
020 3026 5039
info@corkshield.co.uk
New Road, Weston Turville, Aylesbury, Buckinghamshire HP22 5QY
Monday to Friday 8:00am - 6:00pm / Weekends - Closed
15+ Years Experience
Trusted experts with over 15 years’ experience
All Work 100% Guaranteed
Quality assured with a full work guarantee
Fully Insured Company
Complete peace of mind — fully insured service
No Call Out Charges
We never charge extra for call outs
No Hidden Costs
Honest pricing — no unexpected hidden fees
100% Recommend Us
Our clients proudly recommend us every time
“Professional, prompt, and highly recommended!”
Ben from Corkshield was very professional from start to finish. He was great at communicating with us regularly, as his work is very weather dependent, and did a great job in a very short amount of time. We would definitely recommend Corkshield!
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