Insulation King brings you the best insulation for cavity walls on the market.  

What is Cavity Wall Insulation?  

Cavity wall insulation is one of the most effective ways to improve the energy efficiency of your home. By filling the space between the external walls of your property with cavity wall insulation board, you can significantly reduce heat loss and save money on your energy bills.   

Full fill cavity wall insulation also has a number of other benefits, including reducing noise pollution and regulating the temperature in your home, making it more comfortable.   

This type of insulation is designed for walls that have cavities.

Buy Cavity Wall Insulation Online

We offer Superglass Superwall 36 cavity wall insulation in a variety of different sizes: 

• 50 mm 
• 75 mm 
• 100 mm 
• 150 mm 

The cavity wall insulation cost is determined by a variety of factors including the size of your project and your personal insulation goals. Evaluating these aspects will determine the cost of your wall cavity insulation. DIY full fill cavity wall insulation also requires less energy to be generated by your home, and so helps to reduce CO2 emissions. So, not only are you saving money – you're saving the planet too.