Budget XPS Insulation Boards.*

When building your house there are really 3 types of rigid foam panels you are going to have to choose from.

1.Extruded Polystyrene XPS

2.PIR

3.Expanded Polystyrene EPS


Before choosing, you should know what you expect these foam insulation panels to do, to make sure you buy and benefit from the right one.

New product introductions challenge builders to erect better homes that offer more resistance to moisture and increased energy efficiency. This article explores XPS – Expanded Polystyrene details.

XPS boards are acknowledged globally to be one of the best value-for-money rigid thermal insulation options available. XPS foam can provide excellent moisture and insulating properties.

 

What is XPS board? 
What you need to know about it?

XPS Insulation which it is also known as Extruded polystyrene, is manufactured using a process of extrusion. This process involves melting together the plastic resin with the other ingredients. The liquid formed is then continuously extruded through a die and expands during the cooling process. This then produces a closed cell rigid insulation. This continuous process results in a closed cell structure with a smooth skin on the top and bottom of the board. The closed cell structure of extruded polystyrene (XPS) prevents water penetration.

 

Internal structure of expanded polystyrene

 

 

 

 

 

 

 

 


 

Extruded polystyrene boards vs compressive strength

The compressive strength of xps insulation, which ranges from 300-900 kPa, allows designers to select an appropriate strength that may not be available with other types of foam plastic insulation. XPS extruded polystyrene insulation is renowned for its exceptional high compressive strength. The closed cell structure gives the foam great rigidity and makes it highly resistant to compression. Compressive strength of XPS is greater than that of EPS. The impressive load-bearing capabilities of XPS make these insulation boards particularly suitable for insulating roof top car parks, parking garages and other structures that need high compressive performance. XPS can be used as general purpose insulation for roofing, wall and foundation applications requiring a minimum compressive strength. Due to its excellent compressive strength properties (300 - 700 kPa), SOPREMA XPS is the ideal insulation material for floors which have to deal with high loads.

 

soprema xps board under load

 

 

 

 

 

 

 

 

 


Why choose XPS?

Extruded polystyrene insulation is considered the most popular material. XPS foam offers many benefits due to the way this product is manufactured. 
Main advantage of XPS board is lightness of material. Other advantages are also no less significant

  • Recognizable in its blue, pink, or green colors
  • Low thermal conductivity
  • Frost resistance
  • Resistance to bacteria and micro-organism growth
  • Resistance to compression
  • Material does not decay
  • Easy to shape on site
  • Very low water absorption (<1%) 
  • Ability to function properly over its useful life without physical property performance degradation


They are widely used to prevent thermal bridging around the perimeter, and under concrete slabs. They are suitable for use in moist and wet environments where absorbent products will suffer losses in thermal resistance.

In addition, these boards have a good insulation value, they are easy to process and they are available with a tongue and groove system.

 

Application

XPS insulation is an industry leading range of high-performance extruded polystyrene insulation boards, suitable for many demanding and varied insulation applications, including floors, walls and below-ground works. 
These insulation panels are pressure resistant and therefore extremely suitable for floor insulation. They are designed for use with underfloor heating systems on timber, concrete and screed floors.

Products are available in a range of compressive strengths to suit varied application needs. They are a must-have item under heated floors.

 

Recycle

Some companies seek outside sources of scrap polystyrene plastic resin to reuse. Polystyrene resin is a thermoplastic material, which means it can be melted and reused into the manufacture of new extruded polystyrene (XPS) foam insulation. Extruded polystyrene foam is used in structures with 15-to 50-year life spans, its effect on landfills tends to be small compared to traditional materials.

 

 

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