Internal Coating

High performance insulation for internal walls.

Corksol SprayCork is the ideal solution for internal as well as external coatings.

As a natural product cork is breathable and has great thermo properties so can be used internally to solve issues with damp and mould.

Internal Wall Insulation

Our approved applicators use a thin layer of spray-applied natural cork, one of the world’s most incredible and sustainable natural resources. This can then be over skimmed and painted giving you the freedom to decorate over it as you please.

  • Sustainable and breathable natural product
  • Final coating is only 8mm thick so no need to worry about replacing fixtures and sockets etc.
  • Can be plastered over with a thin layer for a smooth finish
  • You are left with an invisible solution that mould or damp cannot form on

Request a quote from your local Corksol approved applicator today.

Request A Quote

Get a quote from your local Corksol approved applicator.

The Benefits of Corksol Internal Coatings

Damp Proofing

Our coatings form a water repellent layer, preventing rising damp entering the building through the external walls.

Thermal Performance

The natural thermal performance of the cork in Corksol can reduce your heating bills by 15%. Our coatings are proven to be seven or eight times more insulating than traditional lime/sand renders.

Fire Resistant

Fire Resistance

(Euro-class B safety rating), water resistant and breathable (this helps prevent mould and damp, gives people a healthier living and working space).

Eco Sustainable

Made from sustainable resources, Corksol exterior coatings are energy-saving and environmentally responsible. The cork used in our products contributes significantly to CO2 absorption and the battle against climate change.

Find out more >>

Sound Insulation

Good Sound Insulation

Reduction in noise and vibrations by up to 12dB.

Recent Case Study

Solving problems with damp, cold and mould in an East London tower block.


Black mould is rife in the flats but especially at ceiling and floor level and around the window reveals.

Corksol Internal Coating Case Study 1


The flat has remained totally clear of damp, condensation and mould; internal temperature is warmer and more stable.

Corksol Internal Coating Case Study 2
Read The Full Damp, Cold and Mould Case Study

Need help with a project? Contact a local approved applicator