EWI & IWI – External & Internal Wall Insulation Solutions

INSULATING A MASONRY WALL EXTERNALLY & INTERNALLY.

Insulating the external & internal side of a masonry wall is an effective method of insulation, particularly for projects where the amount of heat and air loss/movement needs to be maximised.

This method of insulating the walls of your property is an excellent way of combatting heat loss particularly for retrofit, refurbishment or conversion projects, due to the high thermal values gained from the thin profile and reflective aluminium foil outer layers of our multifoil insulation, it also controls the passage of air and moisture through its high vapour control properties.

Dry lining involves installing insulation between timber battens on the internal or external side of your wall. Whether it’s for a new build or a refurbishment project. Dry lining insulation makes your home more energy efficient and is quick and easy to install, whilst achieving U-Values which will ensure you comply with Building Regulations and have a room which is comfortable for its occupants.

The recommended insulation for this method of construction is shown below.

SuperQuilt External & Internal Side Of Solid Wall

Our external & internal wall insulation solution is great for projects where there is an existing masonry wall or a new masonry wall has just been built.

Installing a single layer of SuperQuilt externally and internally, between timber battens is quick and easy, due to its ultra-thin profile. Increasing the depth of the battens from 25mm to 38mm increases the overall thermal performance.

The high air and vapour control properties of SuperQuilt once taped and sealed on all overlaps and perimeter, stops warm air escaping, improving insulation and air tightness.

As air is stopped from escaping, 90 per cent of heat can be recovered from outgoing air, meaning only 10 per cent of air in the home needs to be heated up.

Fresh air is then let in through a mechanical ventilation heat recovery system.

For more information speak to our technical support team on 01909 726 025.

Winner on the 2012 WWF Green Game Changer Innovation Award (read more) link to blog article.

DescriptionWall TypeU-Value
25mm Batten
U-Value
38mm Batten
SuperQuilt (EWI) & SuperQuilt (IWI)Solid 225mm Brick0.190.17
SuperQuilt (EWI) & SuperQuilt (IWI)Cavity Wall0.190.17
In accordance with BDA Kiwa Agrèment certification(W/m²K)(W/m²K)

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YBS Insulation products are manufactured to the highest quality and certified to industry standards.

YBS Insulation Product Information

Product - SuperQuilt - See more

SuperQuilt is one of the UK’s leading multifoil insulations. This flexible, easy to install, multilayer insulation offers tremendous thermal benefits. The benefit of multifoil insulation is that it is suitable for a range of applications from roof insulation, floor insulation and wall insulation and due to the slim depth, you can save valuable space on your installation. The unique composition of the product effectively deals with all forms of energy transfer.

This product is suitable for roofs, walls, floors and offers the following major benefits –

  • Cost saving Solution
  • Effective 2 in 1 insulation and vapour control membrane
  • Reduces Construction Depth
  • Reduces Risk of Condensation
  • Non degradable maintaining thermal performance and product integrity

SuperQuilt has been independently tested and certified to the latest Industry Standards, including BDA Kiwa certificate of Agrément, Building Control Compliance (LABC registered detail) and NHBC Acceptance.

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