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Internal Wall Insulation

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

What is the Internal Wall Insulation (IWI)?

if your property build in before 1920 it can be a solid wall property rather than cavity wall property. as solid wall property has one wall layer and cavity wall has two walls with gap in middle. by insulating solid wall you can save more on your energy bill when comparing to cavity wall. solid wall can be insulate internally or externally.

Internal wall insulation is a great option in solid wall properties where external insulation is not practical or permissible, internally by adding an insulated lining to the inside of an external wall. We recommend that any damp issues be dealt with before insulation is installed. 

 internal wall insulation generally cheaper than external wall insulation and it can be done room by room.

  How does internal insulation work?

There are a few methods to insulate a solid wall internally often referred as dry lining, involves insulating the inside of the wall by one of two methods with different materials. 

-Ready made insulation boards are fixed directly to the wall and the boards consist of plasterboard backed with up to  50mm insulation materials. 

- Frame-work of wooden battens is attached to the wall and the space between the battens filled with insulation materials. 

- Frame work of metal attached to the wall and insulation boards  attached to the metal frame.

 Benefits of internal wall insulation

  • Lower installation cost when comparing to external wall insulation.
  • Easier maintenance than external wall insulation
  • No scaffolding required for installation
  • No disruption to building appearance - ideal for installation in conservation areas
  • Installation not delayed by bad weather condition
  • Can be installed on a room-by-room, single façade or whole-house basis - or as part of a full refurbishment plan

 

How much could you save by insulating your solid walls?

England, Scotland and Wales 

 

Detached

Semi detached

Mid terrace

Bungalow

Flat

Fuel bill savings (£/year)

£455

£260

£175

£180

£145

Carbon dioxide savings (kgCO2/year)

1,900 kg

1,100 kg

720 kg

 740 kg

610 kg

Typical installation costs*

External wall insulation: £8,000 to £22,000
Internal wall insulation: £3,500 to £14,000

Estimates based on insulating a gas-heated home. Costs may vary significantly depending on level of work required. Above estimates are based on a typical install, ranging between a small flat and a large detached home*.

*energysavingtrust., http://www.energysavingtrust.org.uk/home-insulation/solid-wall

Our Internal Wall Insulation systems

We only installing British Gypsum IWI systems. British Gypsum have the most extensive range of internal wall insulation systems in the UK, enabling you to find the perfect solution for a range of solid wall insulation projects. Each of our four internal wall insulation systems listed below are Energy Saving Trust (EST) and BBA approved in addition to being protected by a 25 year guarantee whenever the installation is provided by a Solid Wall Insulation Guarantee Agency (SWIGA) registered installer*.

DryLiner RFDriLyner RF is a lining system suitable for all types of home that is both economical and highly energy efficient for the homeowner. DriLyner RF can be fixed directly to internally plastered brickwork or smooth concrete walls, making it quick and easy for trained installers to implement to solid wall homes*.

DryLiner TL - The DriLyner TL internal lining system provides not only provides homeowners with a thermally responsive environment but is also beneficial to installers as it can be bonded to bare masonry, allowing for minor surface irregularities to be taken out within the drylining cavity*.

DryLiner IWL - GypLyner IWL is the most suitable wall lining system for older and commercial buildings, as it doesn’t require fixing to the existing external wall; instead being built independently with studs positioned into fixed tracks on the ceiling and floor. In doing so, GypLyner IWL internal solid wall insulation can hide poor condition walls and structures, and straighten rooms to optimise usability for the property owner*.

GypLyner Universal-  GypLyner Universal is a virtually independent metal frame drylining system that is suitable for all internal non-loadbearing applications. It allows insulation to be attached slightly away from the wall, which creates a usable service void behind the lining. The size of the service void can be altered to create the optimum balance between maximising floor space and concealing cabling and other services, making it a popular choice for installers conducting internal wall insulation works*.

*http://www.british-gypsum.com/technical-advice/installer-information/our-internal-wall-insulation-systems

 

Few ways to do internal wall insulation and also there are  few types of insulation can be install depend on surface, stranded of wall and available budget.  

 

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