DIY : What is a Composite Door and Why Should You Care? – ValueDoors UK – Medium

Composite Doors feature heavily insulated inner workings that provide the best insulation possible, far suppasing the likes of uPVC Doors and Wooden Doors. Value Doors use only CFC-Free, high density foam in their doors, making them excellently equipped to combat undesirable temperatures, whilst also being more enviro-friendly to manufacture.

Chlorofluorocarbon(CFC) is a gas that is released in foam and aerosol production that erodes the earth’s ozone layer. CFC-Free foam creates the same exact product without the use of the harmful gas.

The Wolverhampton Composite Door in Anthracite Grey — Available at https://www.valuedoors.co.uk/

For Composite Doors that feature glazing, the performance of the glazed unit itself is crucial to its overall performance. Value Door’s use the same technolgy that they apply to their A-rated uPVC Windows on their Composite Doors. This gives them supreme insulating properties thanks to a number of features:

  • Argon Gas Insulation: This harmless, abundant gas prevents the transition of heated air between the panes of the double glazed unit.
  • Warm Edge Spacer Bar: This internal piece of hardware acts as a physical separation of the two panes of glass in the double glazed unit. It ensures that the cold from the exterior pane of glass cannot.
  • Low-E Glass: Low-E (Low emissivity) glass has a microscopically thin coating, no thicker than a human hair. This reflects UV (which hinders thermal efficiency) without affecting visible light passing through the glass.
  • Low U Value: The lower the U Value, the better the thermal retention capabilities of the glass in question. Value Doors’ glazed units have U Values of 1.6 or better, thus achieving an A-rating.

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