Old Bay Windows and Solid Walls are among the biggest cause for heat loss and black spot mould in older homes in Bath.

Un-Insulated Bay Windows can count for upto 50% heat loss in the home.

Insulating Your Bay Window's Internal Walls

Bay windows, with their charming character and abundant natural light, can be a stunning addition to any home. However, they can also be a major source of heat loss and discomfort if their internal walls aren't properly insulated. This comprehensive guide delves into why insulating these walls is crucial and explores the various methods available, empowering you to create a warmer, more energy-efficient home.

Insulation Options for Bay Window Internal Walls:

Several effective methods can be employed to insulate the internal walls of your bay window:

• Internal Wall Insulation (IWI): This involves adding insulation to the inside of the walls. Key options include:
  
  

  • Rigid Insulation Boards: PIR (Polyisocyanurate) or EPS (Expanded Polystyrene) boards are fixed to the wall and then plastered over. They offer excellent thermal performance but can slightly reduce room size.

  • Spray Cork Insulation: Ideal for Bay window Insulation in Bath and Warminster due to its flexibility and maleability with little disruption to the bay window. Due to the airtighness of the product and the breathability properties it posesses, this makes it a perfect Insulation for bay windows in Bath and Warminster.

  • ISO-Therm Wall Insulation: ISO-THERM is a vapour permeable, but waterproof foam-like fleece membrane applied on top of a waterproof tile adhesive direct to the cold walls. It is resistant to any lateral damp transference, and stops any subsequent natural surface nitrates and chlorides forming as an efflorescent salt. Because of its high thermal benefit, and the withholding of any natural damp transference it is highly resistant to any formation of surface mould. 

 A Warmer, More Comfortable Bay Window

Insulating the internal and or external walls of your bay window is a worthwhile investment that can significantly improve your home's energy efficiency, reduce draughts, and create a more comfortable living space. By carefully considering the various insulation options and choosing the right method for your needs, you can transform your cold and draughty bay window into a warm and welcoming feature. Don't hesitate to consult with a qualified professional to discuss the best approach for your specific situation.

Why Insulate Bay Window Internal Walls?