External Insulation


MaxiTherm is a provider of exterior insulation and finish.

What is External Insulation?

External Insulation is an energy efficient thermal wrapping that is applied to the exterior surfaces of a building. This thermal wrapping is then finished with a long-life, decorative and protective coating system in a colour of your choice.


Why choose External Insulation?

Exterior insulation has a clear advantage over conventional indoor insulation techniques: insulating from the outside cuts the thermal bridges, so that the entire building structure is protected from the cold and wet weather. This is not the case with internal insulation.

External insulation is an ideal solution for walls that do not have a cavity e.g. mass concrete, cavity block or stone walls.


“85 % of all new-builds in Germany use exterior insulation systems”



See this Process in action


External Insulation: Inspired by nature!

Have you ever seen a polar bear or a seal with fur under its skin? Of course not! Would you consider going outside on a winters day with no clothes on your skin? Again, the answer is ‘no’!

Your concrete walls absorb heat as your home or commercial building is heated during the day time. When you install external insulation to your building, your concrete walls will act like a ‘storage heater’ where-by the heat that is absorbed during the day is slowly released during cooler periods i.e. at night time.

By insulating your home or commercial building externally you are essentially placing a lagging jacket around your building to keep the heat within.

This makes external insulation an overall more cost effective method of insulation!


“The best thing we ever did to our home was get MaxiTherm to install external insulation” – Seamus Reade, Riverview, Kilkenny.


Advantages of External Insulation:

• Protects the fabric of the building
• Improves thermal performance
• Ensures consistent U-values
• Reduces thermal bridging, minimising condensation and heat loss
• Reduces thermal stress on the structure or substrate
• Transfers the dew-point to outside the structural wall element
• Improves airtightness of the construction, which reduces draughts and heat loss
• Optimises use of thermal mass, reducing internal temperature fluctations
• May contribute to improved sound insulation as part of general refurbishment strategy, e.g. window replacement
• Available in a wide range of external finishes
• Is relatively easily installed, leading to faster construction
• Gives ease of quality control as insulation coverage is clearly visible

External Insulation for refurbishment applications:

• Lowers maintenance costs
• Avoids internal buildings works
• Renews ageing exterior facades
• Can be installed during occupancy
• Gives major aesthetic improvements
• Increases the value of the property
• Does not reduce the size of the internal rooms
• Limits disruption to the fabric of the building
• Increases the life expectancy of the building


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