Fixing external wall insulation material

By: Nrg Warm Homes  05/12/2011
Keywords: Insulation, Wall Insulation, External Wall Insulation

  • External Wall Insulation (EWI).  EWI is an insulation solution we provide were the external walls of a dwelling are solid or consist of hollow block construction and therefore cannot be insulated by conventional methods such as cavity fill.
  • Poorly insulated structures cost more to heat and suffer condensation problems and little or no heat is stored within the property.  EWI will considerably reduce energy loss, help stop condensation, stop draughts around window frames, reduce heating bills, increase comfort levels and give a new look to the outside of the property.  From experience we have found that the client is not only pleased with the new improved thermal qualities of their property, they are also very pleased with the new lease of life it brings to its appearance.  
  • Only NSAI external insulation certified installers can do the job which would be eligible for the grants.
  • For a relatively small outlay your house not only becomes warmer, it also looks like a new house.    
  • External insulation involves fixing insulation material such as expanded polystyrene slabs to the outer surface of the wall.  They are fixed with both adhesive and mechanical fixings.  This insulation is then covered with a cement based render to provide weather resistance.  A fibre glass mesh is embedded in this render to provide strength and impact resistance.  The finish coat is then applied to the system.
  • External wall insulation is the most efficient way to insulate an existing building FACT.
  • Customers can avail of the €4000 grant aid.   

Cross-section of External Wall Insulation

  1. Existing Masonry
  2. Insulation
  3. Fixings
  4. Basecoat & Mesh
  5. Primer & Sealer
  6. Final Finish
The information in this article was current at 02 Dec 2011

Keywords: External Wall Insulation, External Walls, Insulation, Insulation Solution, Reduce Heating, Wall Insulation

Other products and services from Nrg Warm Homes

05/12/2011

Our insulation products & services

EWI is an insulation solution we provide were the external walls of a dwelling are solid or consist of hollow block construction and therefore cannot be insulated by conventional methods such as cavity fill. We are proud of being the complete "One Stop Shop" for insulation, renewable energy, heating, building, general home and commercial maintenance.


05/12/2011

External wall insulation to save money and improve appearance

The high performance insulation slab is then rendered to give a protective and decorative coating to the existing façade. It is important to choose a NSAI registered installer as this ensures the highest standards and quality are achieved. External Wall Insulation is a form of insulation fixed to the exterior of an existing or new dwelling. Around a third of all heat lost in an un-insulated home is lost through the walls.


05/12/2011

Cost of maintenance free external wall insulation

As with good normal building maintenance, checks are required on movement of joints and general building maintenance is advised to ensure longevity and performance of the system. All of the systems are designed to be virtually maintenance-free; in particular acrylic finishes offer self cleansing properties. The high performance insulation slab is then rendered to give a protective and decorative coating to the existing façade.


05/12/2011

External wall insulation improves thermal performance and energy efficiency

The challenge was to find a cost effective solution for a 3 bed, end terrace semi with poor thermal insulation values, without the need for decamping or significant disruption to the tenant and their family. The existing structure was a hollow block property with existing sand and cement render finish and a brick front façade exhibiting poor thermal performance problems for the tenant. The client was a family in Duleek Co Meath.